ovate to cordate or sometimes reniform in outline, deeply 3-divided or occasionally 3-foliolate, 2.2-6 × 2.5-7.7 (-10) cm, divisions 1-2× deeply parted or
6 KB (519 words) - 08:28, 30 July 2020
pinna pair approximately equal in size and cutting to adjacent pair, occasionally basal pinnae and/or some distal pinnae elongate, lobed to tip, nearly
5 KB (582 words) - 00:31, 30 July 2020
only; base ± truncate; apex acute to long-attenuate, apical buds borne occasionally but not known to root in nature. Rachis reddish or purplish brown abaxially
8 KB (576 words) - 00:26, 30 July 2020
447, 461, 657. Plants medium-sized to large, in loose to dense mats, occasionally tufts, green, yellow-green, or brownish. Stems creeping, ascending to
8 KB (533 words) - 07:49, 30 July 2020
canaliculate in the distal part; costa in most leaves unbranched or only occasionally forked in some leaves, extending to three quarters of the leaf length
5 KB (503 words) - 06:52, 30 July 2020
of North America Association Plants aquatic, floating on placid water, occasionally stranded, subsisting on mud; plants heterosporous (producing 2 kinds
7 KB (381 words) - 00:28, 30 July 2020
pedicellate; bracts elliptic, apex obtuse to acute, brown to tan-pubescent, occasionally hoary; peduncles 5–13 mm. Pedicels 2–10 mm, glabrous. Flowers: calyx
7 KB (560 words) - 11:39, 30 July 2020
point. Inflorescences racemose or spikate, bracteate; proximal flowers occasionally pedicellate. Flowers usually solitary at node, nocturnal; tepals connate
8 KB (422 words) - 06:14, 30 July 2020
usually somewhat shriveled or contorted when dry; costa commonly none, but occasionally suggested by a few median cells with thick walls or by a short and indistinct
7 KB (629 words) - 07:14, 30 July 2020
Pedicellate spikelets usually shorter than to as long as the sessile spikelets, occasionally longer, sterile or staminate, with 1 floret, often disarticulating as
13 KB (1,172 words) - 04:27, 30 July 2020
mm wide, lax, adaxial surfaces usually pilose, at least on the veins, occasionally scabrous. Spikes 8-28 cm long, 3-5 cm wide, nodding to pendent, with
8 KB (1,056 words) - 03:01, 30 July 2020
labellum than H. spicata, both species with which it is occasionally confused. The plants are occasionally associated with Acacia, Juglans, and Prosopis in Arizona
7 KB (658 words) - 05:29, 30 July 2020
slender to tuberous. Stems with foliaceous sheaths. Leaves basal or occasionally cauline. Inflorescences terminal spikes, flowers inserted in lax to dense
18 KB (547 words) - 05:22, 30 July 2020
lateral or proximal lateral spikes pistillate; bisexual spikes occurred occasionally. The lateral spikes were peduncled or subsessile and bore a minute, tubular
80 KB (3,349 words) - 15:29, 15 December 2020
strigillose; branches usually ± straight, occasionally proximal branches arcuate. Leaves usually opposite, occasionally alternate at distal nodes; petiole 7–25
10 KB (729 words) - 18:30, 29 July 2020
villous; venation occasionally obscure on small leaves, midvein conspicuous. Cyathia in terminal pleiochasia, dichasial bracts occasionally whorled or rarely
9 KB (690 words) - 18:14, 29 July 2020
pilose, or puberulent; branches ± straight. Leaves usually alternate, occasionally opposite proximally; petiole 2–20 mm, glabrous or pilose, or often hispid
11 KB (719 words) - 18:23, 29 July 2020
sparsely pilose to villous; branches ± straight. Leaves usually alternate, occasionally opposite proximally; petiole 10–50 mm, pilose; blade narrowly lanceolate
10 KB (723 words) - 18:30, 29 July 2020
light green to whitish or brownish. Stems creeping to arching, loosely, occasionally more densely terete-foliate, julaceous or not, irregularly or sometimes
8 KB (581 words) - 07:49, 30 July 2020
absent. Leaves erect to subsecund and imbricate, not undulate-plicate, occasionally somewhat striolate when dry, 1.5–3 mm; margins recurved or sometimes
11 KB (844 words) - 07:33, 30 July 2020