Petalostemon sabinalis

Petalostemon sabinalis S. Wats. Proc. Am. Acad. 21: 448 1886.
Petalostemon luteolus S. Wats.; A. Heller, Bull. Torrey Club 23: 122, as synonym. 1896. Kuhnislera sabinalis A. Heller, Bull. Torrey Club 23: 124. 1896.
A perennial, woody only at the base; stems ascending, 2-4 dm. high, glabrous, somewhat striate; leaves yellowish-green, about 3 cm. long; leaflets 11-15, linear or linear-oblanceolate, 10-15 mm. long, flat, glandular-dotted beneath, blunt, glabrous; spikes cylindric, in age 4-6 cm. long, 1 cm. thick; bracts lanceolate, acuminate, glabrous, deciduous, about equaling the calyces; calyx 3 mm. long; tube glabrous, 10-ribbed, with conspicuous yellow glands; lobes short, triangular, ciliolate, acute; corolla rose-colored; blade of the banner broadly cordate, notched at the apex, 2 mm. long, 3 mm. wide, the claw 2 mm. long; blades of the other petals oblong-oblanceolate, obtuse at the apex, 2.5 mm. long; pod glabrous, obliquely obovoid,
mm. long.
Type locality: Brandera County, Texas, at the entrance of Sabinal Canon. Distribution: Known only from the type locality.