Search results

oblanceolate to elliptic or nearly linear (3–250 (–450) × 3–30 mm, bases usually attenuate), margins entire or spinulose-dentate or serrate or shallowly laciniate;

life cycle","margin architecture or pubescence or shape","margin architecture or shape","nectary disc architecture or shape","nectary disc width","ovary

decumbent, or prostrate, simple, [woody], leafy; from horizontal or vertical, thick, fleshy or subligneous, shallow or deep-seated rhizome (caudex); or from

orbiculate to ovate, oblong, or linear, usually thin-margined or winged, wings membranous to chartaceous or corky, entire or lobed to toothed, sometimes ciliolate;

stamens 2 (–3) or 5–6 (2–5 in cleistogamous flowers), exserted; styles exserted beyond anthers; stigmas peltate. Fruits oblong or narrowly ellipsoid, coriaceous

exstipulate, sessile or petiolate, pairs equal or unequal; blade linear to ovate or ± round, thin to thick and fleshy or succulent, plane or undulate, base ±

petiolate or sessile; blades mostly cordate, deltate, elliptic, lanceolate, linear, oblanceolate, oblong, obovate, ovate, or spatulate, margins entire or toothed

rhizomes, simple or sympodially or monopodially branched, delicate to stout, or thickened as corms or pseudobulbs, or greatly reduced, sometimes proliferous

Mentioned on page 186. Annuals or perennials. Leaves basal and cauline or mostly cauline, opposite; blades simple or ± pinnately or pedately lobed (with 3–9+

axillary solitary flowers or terminal racemes or panicles; involucel absent. Flowers: calyx accrescent or not, not inflated, ribbed or not, base rounded, lobes

33–40% blade, adaxially glabrous or pubescent, eglandular; blade narrowly elliptic to suborbiculate, narrowly rhombic to oblong and ovate, oblanceolate, 2–6

linear to lanceolate, oblong, or obovate, rarely deltate, with 1 [or 2] ± conspicuous submarginal vein [s], margins entire, serrulate, or glandular-serrulate

aquatics in fresh or brackish water. Stems erect, glabrous. Leaves cauline, whorled; petiole absent; blade not fleshy, not leathery (fleshy or leathery in H

commonly withered by flowering, sessile or subsessile to petiolate, blades usually oblong to narrowly lanceolate or oblanceolate, rarely ovate, margins subentire

5 cm, blade elliptic, oblanceolate, or narrowly oblanceolate to sublinear, 2–7.5 × 0.2–0.8 (–1.4) cm, base narrowly cuneate, sometimes attenuate, margins

Plants perennial or annual, sometimes with spikelets proliferating or some culms arching or decumbent and rooting at tips. Rhizomes present or absent, without

adaxially, 7–20 mm, glabrous or sparsely velvety adaxially; largest medial blade narrowly oblong, oblong, elliptic, or broadly elliptic, 30–103 × 19–40 mm

arrangement or course or shape","blade texture","bract architecture","bract arrangement","bract growth form or texture","bract size","capsule length or size"

truncate, or cordate, apex acute, obtuse, or round, surfaces glabrous or viscid-puberulent, viscid-villous, or hirsute. Inflorescences axillary or terminal

architecture or shape","apex dehiscence or orientation","base architecture or fixation","filament height or length or size","filament prominence or shape","filament