Plant: Dwarf to low herbs; stems few to several from the root crown, loosely ascending to decumbent, mostly unbranched, 5-20 cm long, sparsely to densely covered with short curly hairs Leaves: erect or spreading, opposite to irregularly alternate, the petioles 1-5 mm long, the blades broadly ovate to lanceolate or linear-lanceolate, becoming progressively narrower upwards, 1-5 cm long, 1-25 mm broad, apically rounded or obtuse to mostly attenuate-acute, rounded to obtuse or acute at the base, the margins short woolly, the upper and lower surfaces short woolly to glabrous, the veins typically persistently pubescent INFLORESCENCE: UMBELS 1 to several, sessile to infrequently short-pedunculate, lateral at the upper nodes, more or less crowded, but (at least on older plants) not simulating a solitary, terminal inflorescence, 1-4 cm broad Flowers: small; calyx lobes 2-4 mm long; corolla purple, the lobes 3-6 mm long; hoods yellowish to pinkish, mostly erect, hemispheric to somewhat oblong, 1.2-2.1 mm long, 1-2.1 mm broad, the rim truncate with a more or less well developed pair of triangular marginal lobes, about as long as to 1 mm shorter than the gynostegium, the horns attached mostly near the middle of the hoods, tangentially flat to subdigitate, 0.5-1.5 mm long, included to scarcely exserted; anther wings 1.1-1.7 mm long; corpusculum ca. 0.2-0.3 mm long, the pollinia 0.5-0.7 mm long Fruit: FOLLICLES erect on deflexed to spreading pedicels, 4-6 cm long Misc: widely scattered localities on the high deserts and dry plains REFERENCES: Sundell, Eric. 1994. Asclepiadaceae. J. Ariz. – Nev. Acad. Sci. Volume 27, 169-187.