Sensitive
Tufted perennial herb; stems numerous, ascending, 1-5 cm long, arising from a taproot; herbage gray-strigose with dolabriform hairs; stipules of the lower nodes connate; leaves pinnately compound, 2.5-8.5 cm long; stalks long, wiry, and sometimes per...
Dwarf, acaulescent, perennial herb from a well-developed, short, but knotty caudex on a simple taproot; leaves 3-11 cm long, pinnately compound with 5-9 pairs of leaflets, each leaflet grayish pubescent below and nearly glabrous on the upper surface;...
Rhizomatous perennial from subterranean crown; stems several, to 5 dm long, decumbent and radiating, branching from lower nodes, forming broad, depressed clumps; herbage greenish-gray; lower stipules connate; leaves 2.5-10 cm long; leaflets numerous,...
Perennial; stems 1-6 from a subterranean root-crown, stout, erect and stiffly ascending, 4-7 dm long, strigulose nearly throughout with fine, straight, appressed hairs; stipules 1-5 mm long; leaves pinnately compound, 4-9(11) cm long, commonly divari...
Gray-green shrub to 1 m tall, much-branched; leaves short-petiolate or sessile, elliptic-ovate to narrowly oblong, about 1-2 cm long, grayish with a fine scurf; plants unisexual, the flowers in small clusters in more or less profuse terminal panicles...
Perennial herb 2-5 dm high, with (1-)3-6(-10) basal rosettes usually elevated above the ground on a branched, woody caudex; flowering stems 1 per basal rosette, arising centrally and terminating the rosette, glabrous; basal leaves broadly oblanceolat...
Perennial, multi-stemmed and branching herb or sub-shrub to 6 dm tall; stem hairs stiffly spreading or bent downward; leaves narrow to linear-lanceolate, devoid of teeth, rough to the touch; inflorescence short, few-flowered, soft-hairy; floral bract...
Robust biennial or monocarpic perennial; stem strict, 1-2.5 m tall; basal leaves ample, succulent, 30 cm or more long, sinuate or pinnatifid, weakly prickly with short black spines, nearly glabrous, the thin weblike wool tardily deciduous; stem leave...
Stems succulent, hemispheric, tubercled, up to 15 cm in diameter and tall, or exceptionally taller, usually single but sometimes a few in a cluster; tubercles to 7 mm long, conical, somewhat dorsiventrally flattened, with a felted groove running the ...
Plants shrubby, much-branched to about 0.8 m in height and about 2 meters across; main stems with lateral "joints" primarily in whorls at ends of each year's growth, some of these elongating into secondary main stems; stems 1.5-2 cm thick; lateral jo...