Sensitive
Biennial or short-lived perennial herb; stems sometimes branching from a stout taproot, 4-15 dm tall, branching above; leaves in a reduced basal rosette and cauline, alternate, pinnatisect, the lobes filiform; inflorescence a cymose panicle (flat-top...
Biennial herb; stem solitary, branching above the middle, 3-6 dm tall, glabrous or sparsely pubescent in the inflorescence; basal rosette leaves dying when the plant flowers; stem leaves numerous, pinnatifid with narrowly linear lobes; inflorescence ...
Tufted perennial; stems mostly less than 2.5 cm long, rarely up to 10 cm long; leaves spatulate, upper leaves much smaller than the lower, 6-18 mm long, up to 3 mm wide, margins with short, stiff hairs; flower heads solitary at the ends of stems; inv...
Annual; possibly stoloniferous; glabrous (or nearly so); leaves 1-6 cm long, 3-5 mm wide, the elongated petioles widening to oblanceolate, entire, slightly fleshy blades; flowers on slender peduncles; calyx 3-3.5 mm long, glabrous, the lobes ovate-ac...
Perennial; stems several, to about 5 cm tall, suffrutescent and mat forming; leaves numerous, 2-4 cm long, to 3.5 mm wide, oblanceolate, tips acute, tapering to the base, 3-nerved, entire or with an occasional minute tooth, stem leaves somewhat small...
Herbaceous perennial; stems erect, strict, to 60 cm tall, from a basal rosette, pubescent with small, retrorsely barbed hairs and long barbed hairs with the tip acute and the base surrounded by support cells; rosette leaves and stem leaves pinnately ...
Perennial herb; stems several with numerous branches (bushy appearance), slender, 3-5 dm tall, white, glabrous to above the middle, puberulent near the top; basal leaves absent; lower stem leaves narrowly lanceolate to linear, up to 4 cm long, entir...
Perennial herb; roots tuberous, 1-5, clustered, 0.2-1.4 cm in diameter; leaves deep blue-green, 1-2 (6), emerging prior to, or with, the inflorescence and fading shortly after anthesis (McVaugh [1985] observed leafless flowering plants bearing wither...
Perennial herb; herbage glabrous; stems 2-5 dm tall; leaves mostly basal, heart-shaped to nearly round, petiolate, semisucculent, blades 2-5 cm long and across; upper stem leaves few, sessile, clasping, longer than wide; inflorescence of 1-3 flower h...