Stylophyllum semiteres

Stylophyllum semiteres Rose, Bull. N. Y. Bot. Gard. 3 : 35. 1903
At first acaulescent but old plants decidedly caulescent and branching. Leaves numerous, closely set on the caudex, linear, semiterete, about 10 cm. long, often becoming reddish, acute ; flowering branches about 20 cm. long, their leaves ovate, turgid, acute, the lowest ones often opposite; inflorescence a pair of secund racemes; pedicels very short (1-3 mm. long); caly^ 5 mm. long, its lobes 4 mm. long, ovate, acute; corolla 9 mm. long, its segments united below for about 2 mm., oblong, obtuse, yellowish but tinged with red; stamens borne on the corolla, all shorter than the corolla but those alternating with the lobes shorter than the others; carpels somewhat spreading.
Type locality : Lower California or the Colorado Desert of California. Distribution : Known only from the type locality.