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 ...
Small tree or shrub to 3 m tall; branches thorny, the thorns purplish brown, 3-4 cm in length; leaves simple, alternate and rhombic in outline, margins with 3-4 broad lobes on each side of the upper two-thirds of the leaf, these lobes with fine margi...
Perennial herb 0.9-2.5 m tall; stems glabrous, green or bluish-green at the base; leaves all on stem and withered from the basal 1/5 of the stem at the time of anthesis, petioles 3-13 cm long, blades 8-18 cm long and 5-10 cm wide, palmately divided i...
Perennial herb 1-2 m tall; stems glabrous or puberulent, sometimes reddish at the base; leaves all on stem and withered from the basal 1/5 of the stem at the time of anthesis, petioles 7-13 cm long, blades 10-20 cm long and 7-12 cm wide, palmately di...
Perennial herb 1.0-1.8 m tall; lower part of stem glabrous, usually green, but sometimes reddish; leaves all on stem and absent from the stem base at the time of anthesis, petioles 5-12 cm long, blades 8-16 cm long and 6-10 cm wide, palmately divided...
Evergreen shrub, about 1 m tall; leaves pinnately compound with 7-13 oval, leathery, satiny pubescent leaflets; flowers pea-like, purple (rarely white), about 25 mm long; pods 5-14 cm long, 10-14 mm wide, slightly constricted between the seeds; seeds...
Perennial; stems erect or ascending, clustered, 3-9 dm long, glabrate or strigose to inflorescence; petioles 1-3 cm long; leaves trifoliolate; leaflets oblong-lanceolate, the terminal longest, to 3-6 cm, generally about 1 cm wide, 4-5 times longer th...
Densely caespitose perennial; caudex few-branched, compact, with persistent, thickened leaves; basal leaves imbricate, undifferentiated into blade and petiole, linear-lanceolate, 5-8 mm long, 1-1.5 mm wide, surfaces glabrous or rarely pilose, margins...
Perennial herb, not cespitose; caudex few to several branched. Stems (2-) 4-10(-12) cm, erect to ascending or rarely subdecumbent. Basal leaves rosulate; petiole 2-5 mm, leaf blade narrowly oblanceolate, 5-12 × 1-2 mm, both surfaces moderately pubesc...
Winter annuals or biennials (perennial?); taproots enlarged above; stems 1 to several, usually with several branches 1.5-3.5 dm long, pubescent at base with simple trichomes, glabrous above ;leaves mostly in flat basal rosettes, denticulate to dentat...