Acleisanthes purpusiana (Heimerl) R. A. Levin

Selinocarpus purpusianus Heimerl, Oesterr. Bot. Zeits. 63: 353
1913.
Low shrub, 1-2 dm. high, densely branched, the branches divaricate or widely ascending, stout, grayish, densely puberulent and glandular-hirtellous, or glabrate below, the internodes 5-20 mm. long; leaves sessile, the blades narrowly oblong or spatulate-oblong, 4—11 mm. long, 1.5-2 mm. wide, obtuse or rounded at the apex, thick and succulent, densely glandular-hirtellous; flowers few, subsessile, the 2 bracts linear-subulate, 3.5 mm. long; perianth 2.5-3 cm. long, densely glandular-hirtellous outside, the tube very slender; stamens 6; fruit (immature) 6 mm. long, densely puberulent and hirtellous.
Type locality: Sierra del Rey, Coahuila. Distribution: Known only from the type locality.