On the Rare Plant Technical Council List
Mat-forming perennial herb from a woody base; stems numerous, glabrous, slender, mostly prostrate, branching, 1-5 cm long, green; leaves ovate-elliptic, 1.5-4 mm long, slightly fleshy; flowers 1 or 2, at the ends of branches, rose-purple and white; p...
Mat-forming perennial herb from a woody base; stems numerous, glabrous, slender, mostly prostrate, branching, 1-5 cm long, green; leaves ovate-elliptic, 1.5-4 mm long, slightly fleshy; flowers 1 or 2, at the ends of branches, rose-purple and white; p...
Succulent perennial from a thick, fleshy rootstock; stems one to several, 2-23 cm tall; leaves sessile, alternate, coriaceous, glabrous and glaucous, obovate to oblanceolate, margins entire to sparsely dentate, 1.5-3 cm long and 4-7 mm wide; inflores...
Erect shrub to 2.0 m tall; stems erect or ascending, unarmed, the twigs glandular-pubescent; leaves reniform to orbicular, shallowly 3- to 5-lobed, margins crenate-dentate, base cordate to cuneate, both surfaces glandular-pubescent; hypanthium about ...
Perennial; canes, erect, stiff, with a mixture of bristle-like prickles, broad based prickles 2-3 mm long, and gland-tipped hairs; leaves pinnately compound, 3- and 5-foliate , crowded on the canes; leaflets 3-5 cm long, finely serrate, tomentose und...
Erect herbaceous perennial with tomentose and papillose stems; basal leaves densely tomentose, petiolate, base cordate, tip acute, 25-30 cm long, 7-11 cm wide; valves of the fruit oblong-ovate, rounded at the base, acute to obtuse at the apex. Flower...
Shrub forming a prostrate mat, large hedge, or thicket several centimeters to 3 m tall (typically less than 8 dm tall); leaves petiolate, 1.0-4.5 cm long, 0.5-2.2 cm wide, broadly elliptic to ovate, with rounded or cordate bases, margins finely serra...
Herbaceous perennial to 30 cm tall; sparingly branched; foliage resinous dotted and finely and densely silky-ciliate and pilose; basal and lower stem leaves pinnately lobed or pinnate; terminal lobe relatively large and coarsely toothed; other leaves...
Stems usually solitary, depressed-globose to ovoid, 3.2-11.0 cm long, 3.8-8.0 cm in diameter; ribs 13-17; tubercles inconspicuous; areoles woolly; central spines absent or rarely 1, radial spines 7-13, straw-colored, spreading, 6-13 mm long; flowers ...
Herbaceous perennial; stems mostly single and unbranched, glabrous, slender, 4-10(12) dm tall; leaves opposite, lanceolate to ovate, acute, obtuse to cordate at base, coarsely and unevenly laciniate-serrate, thin, glabrous except sparsely glandular p...