angustifolium 23 Leaf blades pale green or glaucous abaxially, surfaces usually glabrous; twigs hairy in lines or glabrous. Vaccinium pallidum 23 Leaf blades
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20. Treatment on page 279. Mentioned on page 273, 274, 280. Perennials, 4–23 (–33) cm; taprooted, caudices simple or branched. Stems erect to ascending
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nearly symmetric pinnae. > 23 23 Blade apex prolonged into whiplike extension of rachis terminating in bud. Asplenium palmeri 23 Blade apex not prolonged
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Alaska Claytonia megarhiza 22 Bracts present; seeds (1-)3 > 23 22 Bracts absent; seeds (1-)6 > 24 23 Cauline leaves equal, sessile, blade lanceolate to ovate;
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scabrous, or with straight hairs; leaf sheaths glabrous, pilose, or floccose. > 23 23 Junction of the lemma and awns evident; awns disarticulating at maturity
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hard perhaps in refernce to the hypogynium Treatment appears in FNA Volume 23. Treatment on page 242. Mentioned on page 3, 7, 243, 247, 251. Illustrator:
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Sympherica]. > 23 23 Width of outer filaments about 2 times inner; floral tube 2–7 mm ring of hairs in floral tube below rim. Clarkia cylindrica 23 Width of
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Treatment appears in FNA Volume 7. Treatment on page 38. Mentioned on page 23, 24, 29, 30, 31, 39, 40, 41, 44, 48, 49, 51, 57, 61. Shrubs or trees, 1–25
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beak ascending apically. Sagittaria brevirostra 23 Achene beak 1–2 mm, horizontal. Sagittaria latifolia 23 Achene beak 0.1–0.6 mm, erect or incurved. > 24
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hairy); nw Arizona, se Nevada > 23 23 Leaf blades usually 3-lobed to ± cruciform; nw Arizona, se Nevada Perityle gracilis 23 Leaf blades elliptic, lanceolate
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based on trnV-tmV sequence data: Major clades and basal relationships. Aliso 23:420-434 Hiesey, W.M. and M.A. Nobs. 1982. Interspecific hybrid derivatives
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secondary branching fanlike, branches 3–10 (–22) cm, third internode 2–15 (–23) × 1–3.5 (–5) mm, dominant shoot 1–6 mm diam. at base. Staminate pedicels
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attachments; California, Oregon. > 23 23 Corollas 14–20 mm, ventricose; pollen sacs 1.4–1.8 mm; styles 11–14 mm. Penstemon parvulus 23 Corollas 18–38 mm, ventricose
19 KB (771 words) - 19:16, 29 July 2020
Carex sect. Ferrugineae (Tuckerman) Kükenthal Treatment appears in FNA Volume 23. Plants cespitose, short to long rhizomatous, sometimes stoloniferous. Culms
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Kunth Enum. Pl. 2: 399. 1837. A. A. Reznicek Treatment appears in FNA Volume 23. Plants cespitose, short-rhizomatous. Culms brown at base, exceeding leaves
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Basionym: Vesicariae Heuffel Flora 27: 535. 1844 Treatment appears in FNA Volume 23. Plants cespitose or colonial, short to long-rhizomatous. Culms reddish purple
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Etymology: Latin fimbria, fringe, and stylus, style Treatment appears in FNA Volume 23. Treatment on page 121. Mentioned on page 8, 124, 126, 131, 137. Herbs, annual
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pubescence. > 23 22 Sepals with mixture of glandular, eglandular pubescence. > 25 23 Internodes and leaves glabrous Tradescantia occidentalis 23 Internodes
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usually with all or most secondary branches confined to the distal 1/3. > 23 23 Lower panicle branches whorled; culms 2-10 mm thick, 50-300 cm tall. > 24
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developed; operculum readily dehiscing > 23 23 Most leaves ovate-lanceolate or ovate, tapering distally. Tortula leucostoma 23 Most leaves obovate, oblong or elliptic
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(–25) mm. Flowers 9–50, coral to orange-red; dorsal sepal 19–23 × 7–9 mm; lateral sepals 23–31 × 3–8 mm, connate for 5–7 mm over basal portion of mentum
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lanceolate > 23 23 Sexual condition dioicous; alar cells hyaline, inflated; stem leaves usually triangular; margins denticulate or serrulate. Cratoneuron 23 Sexual
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oblong-elliptic. > 23 23 Floating leaf blades 7–12 mm wide, tapering at both ends; no fruit produced; Florida. Potamogeton floridanus 23 Floating leaf blade
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the lower 1/8–1/2 of their length. > 23 23 Leaf blades 1-1.5 mm wide; ligules 0.2-0.4 mm long Sporobolus nealleyi 23 Leaf blades 2-6 mm wide; ligules 0.3-1
22 KB (1,094 words) - 04:32, 30 July 2020
Dumortier Fl. Belg., 147. 1827. William J. Crins Treatment appears in FNA Volume 23. Plants cespitose or not, short-rhizomatous. Culms brown at base. Leaves:
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Undefined) ser. Aciculares (C. B. Clarke) Svenson Treatment appears in FNA Volume 23. Plants annual or perennial, very rarely with spikelets proliferating, culms
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Basionym: Vulpinae Heuffel Flora 27: 529. 1844 Treatment appears in FNA Volume 23. Plants cespitose, short-rhizomatous. Culms dark-brown to black at base, usually
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Oncostylis Martius Stenophyllus Rafinesque Treatment appears in FNA Volume 23. Treatment on page 131. Mentioned on page 7, 8, 136, 137. Herbs, annual or
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Undefined sect. Trysanolepis V. I. Kreczetowicz Treatment appears in FNA Volume 23. Plants usually cespitose, short to long rhizomatous, sometimes inconspicuously
7 KB (428 words) - 01:24, 30 July 2020
splachnon, tree moss Treatment appears in FNA Volume 28. Treatment on page 23. Mentioned on page 14, 15, 24, 26, 27, 650, 663. Plants in soft, loose tufts
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smooth. Seeds: radicle lateral or superior. United States, Mexico Species 28 (23 in the flora). None. Atriplex subsect. Arenariae, Atriplex subsect. Argenteae
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yellow or yellow-green. > 23 22 Petals white, cream, pink, lavender, or purple, not flecked or streaked purple-brown. > 24 23 Petals deep yellow, streaked
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Chamaedrys (W. D. J. Koch) M. M. Martínez Ortega, Albach & M. A. Fischer (species 23–26, type V. chamaedrys), subg. Stenocarpon (Borissova) M. M. Martínez Ortega
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clavate bristles in 2–4 series. x = 9. North America, n Eurasia Species 23 (23, including 1 hybrid, in the flora). Eurybia traditionally has been treated
20 KB (1,017 words) - 22:19, 29 July 2020
tribe Gillenieae genusAmelanchier speciesAmelanchier amabilis Wiegand Rhodora 23: 48. 1921. Christopher S. Campbell, Michael B. Burgess, Kevin R. Cushman,
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raceme. Ribes canthariforme 23 Hypanthia greenish white; sepals 1-2 mm; filaments ca. 0.2 mm; styles tomentose. Ribes indecorum 23 Hypanthia white, pink, bright
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usuallywith 2 or more rames. > 23 23 Panicle branches alternate, with multiple rames; rames with more than 5 spikelet units Saccharum 23 Panicle branches subverticillate
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Copyright: Flora of North America Association Plants 2–40 cm. Leaves: blade 5–23 cm × 3–12 mm. Inflorescences: floral bracts 2, inconspicuous. Flowers pink
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Rhodora 31: 128. 1929. Francis J. Menapace Treatment appears in FNA Volume 23. Plants annual or perennial, rhizomatous or not. Leaves: distal leaf-sheaths
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Strawberry Shrub Family Treatment appears in FNA Volume 3. Treatment on page 23. Shrubs, deciduous, rhizomatous, aromatic. Leaves opposite, without stipules
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floating; petiole to 100 cm; blade ovate, narrowly oval, or narrowly lanceolate, 6–23 × 1.5–7.5 cm, base rounded to attenuate, apex obtuse to acute; veins 7–9.
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1806. Luc Brouillet Treatment appears in FNA Volume 9. Treatment on page 23. Mentioned on page 22. Herbs, perennial; unarmed. Leaves alternate, pinnately
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376. 1830. Paul E. Rothrock, A. A. Reznicek Treatment appears in FNA Volume 23. Plants loosely cespitose or, usually, colonial, rhizomatous. Culms brown
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Socorro González-Elizondo*, Francis J. Menapace* Treatment appears in FNA Volume 23. Plants annual (rarely perennial?), densely tufted, rhizomes absent. Leaves:
5 KB (705 words) - 01:29, 30 July 2020
Brown, Ill. Fl. N. U.S. ed. 2, 1: 352. 1913 Treatment appears in FNA Volume 23. Plants densely to loosely cespitose, short to long rhizomatous. Culms brown
9 KB (556 words) - 01:53, 30 July 2020
Basionym: Laxiflorae Kunth Enum. Pl. 2: 452. 1837 Treatment appears in FNA Volume 23. Plants usually densely cespitose, short to long rhizomatous. Culms solitary
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Chenopodium subsect. Favosa] > 23 22 Seeds smooth or areolate > 26 23 Lower leaves entire or with only 1-2 teeth or lobes near base > 24 23 Lower leaves serrate
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without long auricles, or 1-pinnatifid. > 23 23 Pedicels 2.5–5 mm; corolla tubes 11–13 mm. Pedicularis langsdorffii 23 Pedicels 1–2.5 mm; corolla tubes 9–11
19 KB (1,040 words) - 19:27, 29 July 2020
1983b. The Texas species of Paronychia (Caryophyllaceae). Phytologia 54: 9–23. Ward, D. B. 1977c. Keys to the flora of Florida. 2. Paronychia (Caryophyllaceae)
21 KB (1,113 words) - 10:32, 30 July 2020
Rettig Synonyms: Carex sect. Montanae Fries Treatment appears in FNA Volume 23. Plants loosely or densely cespitose, very short to long rhizomatous, stoloniferous
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dissimilar, adaxial hairs stiff. Potentilla sect. Concinnae 23 Leaves pinnate. Potentilla sect. Multijugae 23 Leaves ternate or palmate to subpalmate > 24 24 Petioles:
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leaves; inflorescences: proximal internode lengths 0.8–1.5 times bracts. > 23 23 Cauline internode lengths 1–3(–5) times subtending leaves; bracts 2–7 mm
17 KB (854 words) - 19:26, 29 July 2020
Jacques Cayouette, Leo Bruederle Illustrated Treatment appears in FNA Volume 23. Treatment on page 397. Mentioned on page 380, 382, 383, 384, 385, 388, 389
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Pflanzenr. 20[IV,38]: 410. 1910. David F. Murray Treatment appears in FNA Volume 23. Plants cespitose or not, short-rhizomatous. Culms red, purple, or brown at
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Fruits cypselae, ±clavate, straight; sepals persistent. Seeds 1, ovoid. x = 23. w United States, n Mexico Species 5 (4 in the flora). Petalonyx belongs to
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Treatment appears in FNA Volume 9. Treatment on page 58. Mentioned on page 19, 20, 23, 57, 59, 60, 62, 64, 69, 71, 73. Herbs, perennial, subscapose or leafy-stemmed
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3–17 mm wide. > 23 23 Stems glabrous; corollas sparsely to densely white-villous internally abaxially; New Mexico. Penstemon neomexicanus 23 Stems glabrous
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377. 1830. A. A. Reznicek, Paul M. Catling Treatment appears in FNA Volume 23. Plants colonial, rarely cespitose, usually long-rhizomatous. Culms usually
13 KB (709 words) - 02:14, 30 July 2020
Common names: Éléocharide ambiquë Illustrated Treatment appears in FNA Volume 23. Treatment on page 78. Mentioned on page 64, 65, 72, 77, 79. Illustrator:
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Eleocharis) ser. Eleocharis speciesEleocharis fallax Weatherby Rhodora 24: 23. 1922. S. Galen Smith*, Jeremy J. Bruhl*, M. Socorro González-Elizondo*, Francis
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sepals 1.8-6 mm > 23 23 Petals 4-10 mm; sepals loosely appressed to corolla, 1.8-5.3 mm; flowering shoots 2-10(-12) cm. Sedum obtusatum 23 Petals ca. (4-)7-11
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Schoenoplectus lacustris, derivation unknown Treatment appears in FNA Volume 23. Treatment on page 8. Mentioned on page 5, 7, 9, 13, 27, 28, 56, 138, 195
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Multiflorae J. Carey Carices North. U.S., 540. 1847 Treatment appears in FNA Volume 23. Plants loosely cespitose, sometimes long-rhizomatous. Culms brown at base
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in many species Synonyms: Hemicarpha Nees Treatment appears in FNA Volume 23. Treatment on page 195. Mentioned on page 6, 8. Illustrator: Yevonn Wilson-Ramsey
8 KB (604 words) - 01:39, 30 July 2020
The process of evolutionary migration in species of Selaginella. Brittonia 23: 89--100. Selaginella acanthonota, Selaginella arenicola, Selaginella arizonica
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sessile, cylindric. North America, South America, Eurasia, Australia Species 45 (23 in the flora). Two extra-limital species of Spiranthes have been reported
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howellii 22 Velum covering entire sporangium; sporangium wall unpigmented. > 23 23 Plants of seasonally saturated soil, temporary streams; leaves generally
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conferta Chapman Fl. South. U.S., 534. 1860, Treatment appears in FNA Volume 23. Treatment on page 329. Mentioned on page 326, 327, 328, 330. Culms 10–110
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caducous, linear, membranous or ± herbaceous, margins glandular. Flowers (10–) 14–23 mm diam.; hypanthium usually pubescent, sometimes glabrous; sepals narrowly
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Schoenoplectus Reichenbach Icon. Fl. Germ. Helv. 8: 40. 1846 Treatment appears in FNA Volume 23. Treatment on page 44. Mentioned on page 6, 7, 8, 28, 38, 48, 168. Herbs,
18 KB (736 words) - 01:57, 30 July 2020
meadow habitats, one species (E. mesochoreum) in prairies Species ca. 27 (23 in the flora). Erythronium is a well-marked and distinctive genus closely
18 KB (1,049 words) - 05:39, 30 July 2020
Filifoliae Tuckerman Enum. Meth. Caric., 8. 1844 Treatment appears in FNA Volume 23. Plants cespitose, short-rhizomatous. Culms brown at base. Leaves: basal sheaths
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hypoleuca de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 7: 23. 1838 Treatment appears in FNA Volume 19. Treatment on page 77. Illustrator:
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japonica (Thunberg) Merrill Treatment appears in FNA Volume 12. Treatment on page 23. Illustrator: Alice Tangerini Copyright: Smithsonian Institution Branchlets
5 KB (372 words) - 18:22, 29 July 2020
epilithic, 0.1–10 (–18) m. Leaves: petiole 10–20 mm; blade obovate, 7–15 (–23) × 6.4–15 cm, base ± cuneate, apex rounded to emarginate. Inflorescences:
5 KB (365 words) - 11:15, 30 July 2020
University. Smith, A. R. 1975. The California species of Aspidotis. Madroño 23: 15--24. Tryon, R. M. 1956. A revision of the American species of Notholaena
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Rogers, C. M. 1975. Relationships of Hesperolinon and Linum (Linaceae). Madroño 23: 153–159. Rogers, C. M. 1984. Linaceae. In: N. L. Britton et al., eds. 1905+
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least inner ones, fimbriate or 2-lobed apically > 23 22 Tepals entire, cuspidate, or erose apically > 28 23 Outer and inner tepals fimbriate to laciniate apically;
23 KB (1,142 words) - 10:54, 30 July 2020
Alchemilla filicaulis forma vestita Buser Bull. Herb. Boissier 1(app. 2): 23. 1893 Synonyms: A. filicaulis var. vestita (Buser) H. J. Coste A. vestita Linnaeus
4 KB (622 words) - 14:12, 30 July 2020
carrier or stalk Synonyms: Eriophorella Holub Treatment appears in FNA Volume 23. Treatment on page 28. Mentioned on page 6, 7, 8. Herbs, perennial, cespitose
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utricular scale; stamen 1, 2-locular. Seeds 1, nearly smooth. x = 10, 20, 21, 22, 23. Nearly worldwide (except arctic and antarctic regions) Species 11 (5 in the
5 KB (302 words) - 00:51, 30 July 2020
are not sister to each other (for morphologic differences, see discussion of 23. Saxifraga). We recognize these two as distinct genera, as well as the monospecific
27 KB (988 words) - 13:15, 30 July 2020
glaucous. > 23 23 Inflorescences at least 3 times longer than wide; lower petals tan or yellowish, at least 8 mm. Delphinium sutherlandii 23 Inflorescences
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for different plant Treatment appears in FNA Volume 20. Treatment on page 23. Mentioned on page 3, 5, 6, 24, 34. Perennials, subshrubs, shrubs, or trees
19 KB (1,032 words) - 15:27, 15 December 2020
mm; peduncles 0–3 mm > 23 22 Perennials; leaf blades (2–)15–160 mm; peduncles (1–)3–150 mm (if less than 3 mm, bracteate) > 24 23 Phyllaries 20–24; florets
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Ball, Daniel E. Wujek Illustrated Treatment appears in FNA Volume 23. Treatment on page 23. Mentioned on page 22, 24. Plants colonial from long-creeping rhizomes
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Chylismia cardiophylla subsp. robusta (Torrey) Small Bull. Torrey Bot. Club 23: 193. 1896. (as Chylisma) Warren L. Wagner Basionym: Oenothera cardiophylla Torrey
6 KB (589 words) - 21:04, 7 June 2022
North. U.S., 557. 1847. Theodore S. Cochrane Treatment appears in FNA Volume 23. Plants cespitose, stout-rhizomatous. Culms brown [purple] or redbrown at
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exposed by splitting valves at dehiscence. Seeds ca. 1000, fusiform, winged. x = 23. North America, Mexico, Central America (Guatemala), Europe, Asia (including
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branches, mostly armed with prickles. > 23 23 Twigs aging brownish, rough; w North America. Pinus contorta 23 Twigs aging gray, smooth or nearly so; Alabama
29 KB (1,428 words) - 00:26, 30 July 2020
Cayouette, Leo Bruederle IllustratedEndemic Treatment appears in FNA Volume 23. Treatment on page 391. Plants cespitose. Culms obtusely angled, glabrous
8 KB (690 words) - 02:01, 30 July 2020
Eleocharis (sect. Undefined) ser. Mutatae Svenson Treatment appears in FNA Volume 23. Plants perennial, when submerged sometimes with spikelets proliferating.
9 KB (638 words) - 01:30, 30 July 2020
Carex sect. Virescentes (Kunth) Mackenzie Treatment appears in FNA Volume 23. Plants cespitose, short-rhizomatous. Culms redbrown at base, rough distally
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microphylla, Ayenia pilosa Linnaeus Kongl. Svenska Vetensk. Acad. Handl. 17: 23, plate 2. 1756. Laurence J. Dorr Etymology: For Louis de Noailles, 1713 –
11 KB (636 words) - 11:22, 30 July 2020
Chenopodium berlandieri var. zschackei Moquin-Tandon Chenop. Monogr. Enum. , 23. 1840. Steven E. Clemants, Sergei L. Mosyakin Common names: Pigweed WeedyIllustrated
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of the Utah species of Townsendia (Compositae). Great Basin Naturalist 30: 23–52. Townsendia annua, Townsendia aprica, Townsendia condensata, Townsendia
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glabrescent or villous. Leaves: stipules (sometimes marcescent), foliaceous, (3–23 mm), apex acuminate to acute; petiole convex to flat, or shallowly grooved
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occasionally erect, equal or subequal, wilting soon after anthesis; flowers 3–6 cm. > 23 22 Perianth tube not shallow, 6–20 mm, frequently equaling or exceeding limb
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Appalachian Mountains > 23 23 Exostome teeth 16; endostome usually not erose, segments 16; Arizona, New Mexico. Orthotrichum pycnophyllum 23 Exostome teeth 8
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(Violaceae) based on internal transcribed spacer DNA sequences. Syst. Bot. 23: 439–458. Beattie, A. J. and N. Lyons. 1975. Seed dispersal in Viola (Violaceae):
39 KB (2,374 words) - 11:16, 30 July 2020