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Did you mean: leaf acumen
- firm or thick, rarely pitted. Branch leaves often smaller; apex sometimes less acute; costa weaker. Specialized asexual reproduction rarely present, of clustered16 KB (613 words) - 07:45, 30 July 2020
- 5–) 1–2 (–3) cm. Leaves 2–3 (–3.5) mm, linear-lanceolate, apex more or less acute; margin weakly recurved for a short portion of the leaf length or sometimes5 KB (744 words) - 06:56, 30 July 2020
- relatively few in rosettes, 18–22, 3–8 mm; margins revolute to mid leaf or less; apex acute; costa in median rosette leaves subpercurrent to percurrent or short-excurrent4 KB (684 words) - 07:38, 30 July 2020
- rachillas puberulent, hairs stiff. Glumes usually glabrous, more or less keeled, acute; lower glumes. 1.3-2 mm, (1) 3-veined; upper glumes 1.5-2.3 mm, 3-veined;5 KB (814 words) - 03:32, 30 July 2020
- narrower than inner tepals, ca. 0.5 times as wide as inner tepals or less, apex acute or subacute, usually distinctly reticulate-pitted (especially in herbarium10 KB (1,013 words) - 10:07, 30 July 2020
- spikelet should be examined. Succeeding florets tend to have shorter, less acute or acuminate lobes, and a shallower sinus. Conert, H.J. and A.M. Turpe7 KB (680 words) - 04:51, 30 July 2020
- yellowish green in mid season, the blades proportionately wider, usually with less acute lobes, stouter thorns, different anther color, and a different fruiting4 KB (845 words) - 14:35, 30 July 2020
- distally narrow, keeled to tubulose, gradually acuminate to a fine-point; apex acute to obtuse, not deciduous; margins at the base erect and entire, recurved21 KB (1,496 words) - 06:56, 30 July 2020
- populnea; that taxon usually has slightly larger, more coriaceous leaves, with less acute lobes than C. levis. Crataegus levis is possibly a hybrid of C. macrosperma7 KB (809 words) - 14:43, 30 July 2020
- Subspecies setchellii tends to be smaller, with petals unmarked and less sharply acute. None. None. window.propertiesFromHigherTaxa=[{"rank":"species","name":"Dudleya5 KB (644 words) - 13:01, 30 July 2020
- Carex (section Key E. Spikes 2+ per culm, at least some flowers pistillate; stigmas (2–)3(–4); achenes usually ± trigonous in cross section; body of perigynium glabrous or papillose, papillae then mostly not longer than wide; bracts sheathless or sheath less than 4 mm, rarely longer, then sheath shorter than diameter of stem)M-shaped in cross-section, rarely filiform, involute, or rounded, commonly less than 20 mm wide, if flat then with distinct midvein. Inflorescences terminal80 KB (3,349 words) - 15:29, 15 December 2020
- of the species range, with 3–4 cm, more or less unlobed, elliptic to ovate leaf blades, and more or less acute teeth (not unlike syntype material of C. suksdorfii)9 KB (987 words) - 14:36, 30 July 2020
- has reflexed panicle branches, 1-2 florets per spikelet, more or less glabrous, acute lemmas, and 2n =42 or 44. Plants referable to subsp. psilosantha6 KB (1,077 words) - 03:26, 30 July 2020
- bisexual, sessile or stipitate, apices acute, puberulent, or with a tuft of hairs; upper lemmas usually more or less rigid and chartaceous-indurate, usually26 KB (1,480 words) - 04:05, 30 July 2020
- bladderlike hairs that collapse to form silvery or scurfy (mealy) vesture, less often with elongate trichomes. Leaves persistent or tardily deciduous, alternate45 KB (1,022 words) - 09:34, 30 July 2020
- compound spikes, occasionally cymes. Seeds usually less than 1.5 mm diam., margins rounded or acute; seed-coat smooth or honeycombed. Worldwide Species3 KB (512 words) - 09:30, 30 July 2020
- most plant parts, sepals and epicalyx bractlets relatively large, broad, less acute, and with many and reddish glands, which are often also on petioles and10 KB (1,055 words) - 14:02, 30 July 2020
- when dry, erect-spreading to patent when wet, lanceolate to ovatelanceolate, less often ovate, oblong-ovate, linear, or lingulate, keeled, canaliculate, to13 KB (824 words) - 06:47, 30 July 2020
- ascending, less than 1/2 length of the lance-ovate to weakly obovate perignyium body; lateral spikes with acute staminate bases mostly less than 2 mm;57 KB (937 words) - 01:54, 30 July 2020
- Leaf-blade lobed or unlobed, margins entire or toothed, teeth if present acute or spinose, never bristle-tipped. Staminate flowers: calyx 2-6-lobed; anthers27 KB (606 words) - 08:45, 30 July 2020
- usually acute or acuminate; florets terete or laterally compressed, with well-developed calluses; lemmas 1-veined or 3-veined, more or less coriaceous11 KB (771 words) - 04:51, 30 July 2020
- Puccinellia 33 Lemma apices acute to acuminate, sometimes mucronate or shortly awn-tipped. > 34 42 Lemmas (3)5-9-veined, veins more or less parallel distally, conspicuous45 KB (1,179 words) - 03:07, 30 July 2020
- damaging one or both of these units. The depth of the cup will always be less than its height, but a simple translation of height to depth does not exist23 KB (617 words) - 08:21, 30 July 2020
- petiolate; stipules either free from or adnate to base of leaf-blade for less than ½ length of stipule, if adnate, then extending past adnation as free23 KB (1,207 words) - 00:56, 30 July 2020
- long. > 82 82 Glumes acute, unawned; ligules 4-10 mm long, acute, lacerate; spikelets grayish-green Muhlenbergia dubia 82 Glumes acute to acuminate, awned42 KB (1,621 words) - 04:38, 30 July 2020
- occasionally monoicous. Capsule equal to or less than 2 mm, with few-to-many pseudostomata. Spores typically less than 30 µm, coarsely to finely papillose19 KB (686 words) - 07:06, 30 July 2020
- distinctly tuberous Rumex hymenosepalus 32 Inner tepals usually less than 10 mm; ocreae less prominent; roots not tuberous. [33. Shifted to left margin.—Ed41 KB (1,085 words) - 10:05, 30 July 2020
- branch bases distally, rarely along leaf-bases, and micronemata, smaller, less branched and paler, present or absent on stems. Leaves green, yellowish green16 KB (638 words) - 07:40, 30 July 2020
- absent, central strand usually present; paraphyllia absent; pseudoparaphyllia acute to acuminate, first leaf pointed downward, second and third situated at 120°28 KB (900 words) - 07:47, 30 July 2020
- sometimes clothed by persistent primary leaves or leaf-bases; longest internodes less than 1cm; buds conspicuous. Roots fibrous to woody, unspecialized. Leaves13 KB (769 words) - 00:23, 30 July 2020
- recently described species from Peru). Likewise, flowers vary in size from less than 1 mm and barely visible to the naked eye (Platystele Garay), to 15–2041 KB (2,210 words) - 05:19, 30 July 2020
- coriaceous, bases more or less rounded dorsally, slightly or distinctly keeled distally, veins 5 (7), prominent or obscure, apices acute to attenuate, sometimes52 KB (3,291 words) - 03:08, 30 July 2020
- revolute, finely serrate to serrulate near apex, rarely entire; apex bluntly acute, acute, or short-acuminate; costa ending well before apex, subpercurrent, percurrent15 KB (690 words) - 07:39, 30 July 2020
- sometimes ciliate Leptochloa 9 Lemmas unawned, sometimes mucronate, with mucros less than 1 mm long. > 10 11 Spikelets with 2-20 florets; inflorescences panicles34 KB (1,217 words) - 04:33, 30 July 2020
- hastate, or cuneate, margins entire, dentate, sinuate, or serrate, apex acute to acuminate or obtuse, occasionally lobed. Inflorescences spicate and terminal19 KB (716 words) - 09:29, 30 July 2020
- more or less smooth, nodes 1-8. Sheaths open, smooth or scabrous; auricles absent; ligules membranous, usually truncate to obtuse, sometimes acute, entire24 KB (1,813 words) - 02:43, 30 July 2020
- wide), apices narrowed abruptly (acute to acuminate) > 5 4 Plants mostly 25–200 cm; leaf blades (larger) usually less than 12 cm wide (bases cuneate, truncate32 KB (1,118 words) - 23:14, 29 July 2020
- mostly membranous, scarious distally, 1-11-veined, apices usually rounded to acute; florets laterally or dorsally compressed; calluses blunt, glabrous or with12 KB (1,001 words) - 03:20, 30 July 2020
- maturity; lower glumes 1/5 – 3/4 as long as the spikelets, 1-5-veined, truncate, acute, or acuminate; upper glumes slightly shorter than the spikelets or exceeding26 KB (1,343 words) - 04:00, 30 July 2020
- usually smaller than branch leaves, triangular to lingulate, apex apiculate, acute, broad, or erose and split, border narrow or broad at base; hyaline cells17 KB (673 words) - 06:50, 30 July 2020
- structure of the flowers. The adaxial lip apices of Castilleja are more or less straight to slightly curved (hooked in C. chlorotica, C. exserta, C. mexicana79 KB (2,746 words) - 18:50, 29 July 2020
- tapering gradually or abruptly to apex; margins often toothed in acumen; apex acute to acuminate; ecostate or costa double, short; alar region well defined,8 KB (252 words) - 07:53, 30 July 2020
- aestuum 11 Spikelets lanceoloid (to broadly ovoid), apex acute; spikelet scales ovate with apices acute (or sometimes narrowly rounded in distal part of spikelet);37 KB (456 words) - 02:15, 30 July 2020
- or unequal, smooth to scabrous, margins hyaline, apex undifferentiated, acute to obtuse or bifid, margins of outer spathe usually connate basally. Flowers23 KB (1,162 words) - 06:04, 30 July 2020
- membranous, smooth or scabridulous dorsally, apices truncate, obtuse, rounded, or acute, usually erose to lacerate, the lacerations sometimes obscuring the shape31 KB (1,893 words) - 03:29, 30 July 2020
- distal cells 1–several, elongate, hyaline. Stem and branch leaves similar or less commonly differentiated, straight to homomallous, often falcate-secund, usually15 KB (450 words) - 07:51, 30 July 2020
- over the midvein, apices subulate, acute, obtuse or rounded, entire or slightly emarginate; awns straight, arising less than 1.5 mm below the lemma apices11 KB (779 words) - 02:52, 30 July 2020
- cirrate when dry, generally falcate-secund, less often straight, undulate, rugose or smooth; apices acute to obtuse, tips sometimes deciduous, apparently26 KB (1,278 words) - 06:56, 30 July 2020
- apex broadly acute to rounded, mucronate to hair-pointed; margins plane to weakly recurved or incurved on one or both sides, more or less entire to crenulate10 KB (472 words) - 06:46, 30 July 2020
- Sheaths open to the base or nearly so; auricles absent; ligules membranous, acute to truncate, entire or erose; blades flat, folded, or involute. Inflorescences22 KB (1,516 words) - 03:14, 30 July 2020
- Achenes brown to black or maroon, homocarpic, winged or unwinged, 3-gonous, less often lenticular or globose-lenticular to globose. Seeds: embryo straight21 KB (927 words) - 10:29, 30 July 2020
- obovate, base attenuate to hastate or sagittate, margins entire, apex round to acute. Inflorescences racemes, panicles, rarely umbels, of 1–17 whorls, erect,14 KB (539 words) - 00:58, 30 July 2020
- crisped; mentum or spur absent; column short, cylindric; anther cordate, apex acute or obtuse; pollinia clavate with slender viscidium; ovary sessile, cylindric18 KB (547 words) - 05:22, 30 July 2020
- more or less ellipsoid, pubescent to subglabrous, acute to acuminate, upper glumes and lower lemmas not strongly veined. Upper florets acute to obtuse4 KB (866 words) - 04:02, 30 July 2020
- rough-thickened; ovule 1. Fruits aggregated achenes, individually deciduous, 10–80 or less, obliquely ovoid, 0.7–1.5 mm, glabrous; hypanthium persistent; sepals persistent22 KB (1,357 words) - 14:09, 30 July 2020
- campanulate; teeth (3–) 5–6 (–10), erect or occasionally spreading, apex acute to obtuse or rounded. Flowers bisexual or, infrequently, unisexual, not attenuate80 KB (1,352 words) - 10:29, 30 July 2020
- Caryopses ovoid to fusiform, not beaked, pericarp thin; hila linear; embryos less than 1/3 the length of the caryopses. x = 7, 8, 10, 11, 12. The tribe Stipeae18 KB (1,356 words) - 02:45, 30 July 2020
- central resin canals; and P. thunbergiana —seed cones stalked with base more or less truncate, terminal bud not resinous, and leaves lacking central resin canals29 KB (1,428 words) - 00:26, 30 July 2020
- not plicate; margins plane, entire or faintly serrulate near apex; apex acute to short-acuminate, hairpoint sometimes present; costa single, strong, ending8 KB (515 words) - 07:45, 30 July 2020
- apex obtuse, acute, or cuspidate. Perigynia ascending, spreading, or reflexed, proximal and middle perigyinia separated by internodes less than 1/10 their10 KB (625 words) - 02:18, 30 July 2020
- pubescent, sometimes ciliate; blades flat, convolute, or involute, apices acute, flexible, basal blades not overwintering, flag leaf-blades more than 1028 KB (2,014 words) - 02:45, 30 July 2020
- elliptic, narrowly spathulate or occasionally lanceolate; apex broadly acute to rounded, mucronate to hair-pointed, occasionally cucullate; margins plane11 KB (510 words) - 06:46, 30 July 2020
- round-reniform, large (ca. 1 mm diam.) and persistent or sometimes small (less than 0.3 mm diam.), occasionally ephemeral, sometimes absent; sporangial14 KB (584 words) - 00:28, 30 July 2020
- broadest near middle, usually less than 3 mm wide; longer leafy bracts extending beyond inflorescence; rhizomal internodes usually less than 2 mm thick. Rhynchospora38 KB (1,253 words) - 01:40, 30 July 2020
- crassifolia [gemmae], S. fontinalis, S. humifusa, and S. irrigua) or not, apex acute or obtuse. Inflorescences terminal, open cymes, rarely axillary (S. alsine21 KB (985 words) - 10:17, 30 July 2020
- apex acute to acuminate, often awned, usually glabrous, sometimes rough-ciliate apically or pubescent; distal scales acuminate or with awn less than 1/213 KB (709 words) - 02:14, 30 July 2020
- 5 Flowers mostly several per culm; bracts acute to acuminate. > 6 5 Flowers uniformly solitary; bracts acute to truncate or absent. > 9 6 Capsules usually9 KB (398 words) - 00:55, 30 July 2020
- series beyond midleaf, gradually tapering distally or more or less abruptly narrowed; apex acute or obtuse, cucullate or concave, with an apiculus, mucro or21 KB (1,511 words) - 07:02, 30 July 2020
- lanceolate to linear; margins entire to dentate to lacerate, apex rounded or acute; veins free, arranged like ribs of fan or pinnate. Sporophores normally 119 KB (579 words) - 15:29, 15 December 2020
- cells in one or more layers; apex rounded-obtuse to more commonly narrowly acute; costa ending a few cells before the apex to short-excurrent or long-excurrent28 KB (882 words) - 07:00, 30 July 2020
- the keys are as follows; stems: short (less than 1 cm), medium (1–3 cm), long (more than 3 cm); leaves: small (less than 1.5 mm), medium (1.5–3 mm), large20 KB (757 words) - 07:35, 30 July 2020
- or revolute, serrulate usually throughout, teeth single or paired; apex acute to acuminate or rarely obtuse; costa subpercurrent to excurrent, abaxial12 KB (605 words) - 07:34, 30 July 2020
- alternate, opaque, sessile, linear, channeled, turgid, acute at base acute, margins entire, apex obtuse to acute, veins 1–5; stipules not tubular, adnate to base8 KB (521 words) - 00:55, 30 July 2020
- subgenera and sections. Attempts to treat New World species similarly have gained less acceptance. H. P. Traub (1972) recognized subg. Amerallium, encompassing43 KB (1,553 words) - 05:48, 30 July 2020
- attenuate, cuneate, or rounded, margins entire, dentate, or serrate, apices acute to obtuse, faces glabrous or hairy, sometimes glanddotted; cauline usually10 KB (649 words) - 22:36, 29 July 2020
- shape, glandularity, and other characters, permits recognition of more or less distinct series; the delimitation of some series may warrant further attention28 KB (995 words) - 14:38, 30 July 2020
- spikes on different plants. Proximal pistillate scales with apex obtuse to acute, ciliate. Perigynia erect, veinless or obscurely veined, with 2 prominent7 KB (428 words) - 01:24, 30 July 2020
- crudoides), finely serrate to serrulate near apex, rarely entire; apex acute (sometimes short-acuminate in P. melanodon); costa ending well before apex17 KB (677 words) - 07:39, 30 July 2020
- Coprosmanthus (Torrey) Bentham. The remaining North American species, all more or less woody, belong to sect. Smilax. The relatively small number of species (20)14 KB (755 words) - 06:14, 30 July 2020
- lanceolate, ovate, cordate, or acuminate; corolla usually yellow or orange, less often pinkish, sometimes with dark red center; staminal column included or12 KB (726 words) - 11:23, 30 July 2020
- papillose; beak absent or less than 0.2 mm. Carex buxbaumii 33 Perigynia gray-green, conspicuously papillose throughout; beak minute, less than 0.2 mm. Carex15 KB (557 words) - 02:02, 30 July 2020
- usually plane, slightly undulate, or crispate, rarely undulate-erose, apex acute, obtuse, or emarginate, usually mucronulate. Inflorescences terminal and/or32 KB (1,366 words) - 09:41, 30 July 2020
- short-rhizomatous; shoots both vegetative and flowering. Culms usually maroon, or less often brown, tan, or pale green at base. Leaves: basal sheaths usually bladeless18 KB (940 words) - 02:10, 30 July 2020
- where joined at their distal ends form an angle of less than 90°, a condition referred to as acute. In most species the vaginant laminae are unequal in33 KB (1,761 words) - 06:53, 30 July 2020
- with pubescence concentrated along keels or toward base, often glabrous or less hairy between keels. Euphorbia laredana 20 Capsules ± evenly hairy or pubescence36 KB (819 words) - 18:21, 29 July 2020
- orange, or red tones. Leaves ovatelanceolate, occasionally ovate-triangular, less commonly lanceolate to linear-lanceolate or elliptical to ligulate, keeled22 KB (1,082 words) - 06:48, 30 July 2020
- glabrous or (less commonly) sparsely pubescent or puberulent, often prominently veined, obtuse to acute to beaked. Lower glumes usually less than 1/3 as12 KB (1,221 words) - 04:02, 30 July 2020
- oblong-triangular, 1.5–12 (–17) × 0.5–4 (–6) cm, 1–5 mm thick, base 0.5–3 cm wide, apex acute to acuminate or cuspidate or subobtuse, surfaces sometimes farinose, mostly10 KB (763 words) - 13:01, 30 July 2020
- enlarged, ± clavate; paraphyllia none; pseudoparaphyllia minute, ovate, acute; epidermal layer ± bulging, outer cortical cells small, firm-walled in 1–212 KB (484 words) - 07:00, 30 July 2020
- margins occasionally with 1–4 cell rows often less papillose and smaller, walls thicker; apex broadly acute to rounded, lamina inserted laterally or to 45°26 KB (1,447 words) - 07:08, 30 July 2020
- elliptic or ovate to orbiculate, round or rounded-trigonous in cross-section, less than 10 mm, base tapering or rounded, often spongy, apex usually abruptly16 KB (801 words) - 01:21, 30 July 2020
- concave, or flat), margins entire (sometimes undulate or crisped; apices acute to rounded or retuse), faces glabrous or sparsely to densely hairy (often23 KB (1,156 words) - 22:11, 29 July 2020
- Treatment appears in FNA Volume 25. Treatment on page 422. Plants more or less densely cespi¬tose. Basal rosettes usually well-differentiated; blades ovate16 KB (1,305 words) - 04:02, 30 July 2020
- glumes. Glumes often longer than the florets, thin, usually 1-3-veined, acute to acuminate; florets terete or weakly laterally compressed; calluses well-developed23 KB (1,150 words) - 04:51, 30 July 2020
- or forming extensive paches or mats, green, brown, yellowish, olive green, less often blackish brown or occasionally jet-black. Stems erect, decumbent or13 KB (864 words) - 06:51, 30 July 2020
- (inflorescences and basal leaves). The word tuber refers to a swollen, more or less vertical underground stem. The aerial shoots arise from the apex of either19 KB (1,214 words) - 15:30, 15 December 2020
- distinguishing Poa from other morphologically similar genera are: the more or less straight, rather than curly, roots; two-grooved, prow-shaped blades; partially87 KB (2,178 words) - 03:17, 30 July 2020
- lemmas, always shorter than the spikelets, glabrous or pubescent, usually acute, rarely mucronate; lower glumes 1-7 (9) -veined; upper glumes 3-9 (11) -veined;16 KB (1,697 words) - 02:52, 30 July 2020
- to rounded, lobes 0 or 1–3 per side, sinuses usually shallow, lobe apex acute to obtuse, margins entire or serrate, very glandular, venation craspedodromous22 KB (1,233 words) - 13:46, 30 July 2020
- decumbent, less than 15 cm, capsules obconic to subglobose. > 16 16 Leaf blades generally green, not glaucous, primary lobes lanceolate, their apices acute to11 KB (522 words) - 08:35, 30 July 2020