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
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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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