Harveya scarlatina Hook. ex Steud.

A puberulous herb, erect or ascending, simple or somewhat branched, 3-6 in. high; stem furrowed, obtusely angular when dried; leaves scale-like, ovate or elliptical, obtuse, not much narrowed at the base, sessile, opposite, mostly approximated, 1/3-2/3 in. long by 1/10-1/5 in. broad or the lower smaller and imbricate, erect, adpressed, concave; flowers spicate-racemose, 1 1/2-1 3/4 in. long; inflorescence dense, 2-6-flowered, 2-3 in. long; pedicels very short or up to 1/3 in. long, bibracteolate at the apex; bracteoles oblong or sublinear, 1/2-3/4 in. long; calyx loosely campanulate-cylindrical, sparingly puberulous, about 3/4-1 in. long, 5-lobed; tube about 5/8-3/4 in. long; lobes ovate-oblong or rounded, unequal, 1/8-3/8 in. long; corolla tough, not membranous; tube subcylindrical, but little dilated upwards, nearly glabrous, 1 1/4-1 1/2 in. long, not much curved, about 1/6 in. in diam. at the top of the calyx-tube and 1/3 in. in diam. at the apex; limb 3/4-1 1/4 in. in diam.; lobes rounded, 1/5 in. long, the lateral reflexed; mouth round, 1/4-1/3 in. in diam.; stamens glabrous; style exserted beyond the corolla-tube, tumid-clavate at the apex.