given collection to an infraspecific taxon. In a genus where interspecific hybridization is so extensive, it is sometimes impossible to identify reliably
18 KB (1,258 words) - 12:28, 30 July 2020
adaxially, usually notched to rounded at apex; leaves on fertile branches sometimes appearing 4-sided, upright, sharp-pointed to rounded at apex; resin canals
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distally), apices rounded to truncate, appendages essentially none. Cypselae usually monomorphic within heads, usually ellipsoid or columnar to prismatic [compressed
8 KB (465 words) - 20:41, 29 July 2020
present, sometimes absent. Flowers: sepals 4 or 5 (5d sometimes vestigial), calyx ± bilaterally or ± radially symmetric, narrowly campanulate to campanulate
22 KB (1,669 words) - 19:24, 29 July 2020
The inflorescences range from one- to four- to 40+-flowered. The hypanthium ranges from shallow and saucer-shaped to relatively long and narrowly tubular
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always strengthened with conspicuous spiral fibrils, small to large, round to elliptic and sometimes ringed pores occur along commissures or rarely on cell
16 KB (943 words) - 06:58, 30 July 2020
texture, unawned or awned, awns to 60 mm; lower paleas vestigial to well-developed; upper lemmas coriaceous, dorsally rounded, mostly smooth, apices short
20 KB (1,801 words) - 03:59, 30 July 2020
entire, apex tip rounded or, more commonly, blunt to sharply pointed, sometimes mucronate (spinescent in G. pungens), midvein sometimes apparent as low
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taproots; sap white to orange. Stems leafy, branching. Leaves sessile; basal rosulate, cauline alternate; blade unlobed or commonly shallowly to deeply 1×-lobed;
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laterally compressed. Lemmas with apices acute or obtuse to rounded, prow-shaped; paleas slightly shorter to slightly longer than the lemmas, keels well-developed
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blade (base sometimes sagittate or amplexicaul, rarely subauriculate), margins entire, dentate, or lobed. Racemes (corymbose, sometimes with a terminal
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entire or erose-dentate to papillose-crenulate or crenate at apex; apices slenderly long-acuminate to rounded, rounded-obtuse to subacute, muticous or seldom
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obovate, rounded-trigonous in cross-section, less than 10 mm, base tapering or rounded, apex tapering or rounded to beak, pubescent; beak 0.1–0.5 mm, emarginate
7 KB (428 words) - 01:24, 30 July 2020
Mentioned on page 98, 102, 658, 660, 663. Plants in lax to dense tufts, dull green to glaucous, sometimes yellowish or yellowish-brown distally. Stems 0.5–15
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glabrous; styles free to the bases. Cleistogamous spikelets occasionally present, sometimes on the axillary panicles, sometimes on the terminal panicles
33 KB (1,388 words) - 03:56, 30 July 2020
usually is appressed to the adaxial lip in Cordylanthus. The mature flowers often appear to be buds. Cordylanthus is sometimes defined to include Dicranostegia
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pistils spreading to erect, distinct; ovary base rounded; styles 2+ times shorter than ovary. Fruits slightly recurved or ascending to erect. Seeds oblong
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before apex; laminal cells rounded to oblong-hexagonal, rhombic, or elliptic, coarsely 1-papillose abaxially, papillae sometimes 2-fid, appearing multipapillose
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or, sometimes, tightly overlapping, individually distinguishable or not, lobed to base, sometimes entire; terminal leaflets indistinct, sparsely to densely
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acaulescent to short-caulescent, scapose, from branched, woody caudices or bulblike structures; usually forming colonies with few-to-many rosettes. Stems to 25
10 KB (569 words) - 06:10, 30 July 2020