Barleria lupulina
Content
Description
Erect prickly shrub to 50 cm tall. Branches obscurely 4-angled, glabrous, in lower axils with 2 downturned spines about 1 cm long. Petiole 2-3 mm long; blade narrowly obovate, 3.5-9.2 x 0.8-1.2 cm, rigid, spine-tiped at apex, glabrous, dark green with red central vein on upper surface, margin entire. Inflorescence nodding, or erectterminal spike with imbricate bracts; bracts broadly obovate, about 15 x 12 mm, shortly mucronate, basally green, upper half reddish-brown, shortly pubescent with cup-shaped glands scattered over outer surface; bracteoles included in bracts, lanceolate, about 5.5 mm long, spinescent, shortly pubescent with predominantly eglandular trichomes mixed with a few glandular trichomes. Calyx lobes lanceolate, longer pair about 1 cm long, shorter pair about 8 mm long, all spine-tipped, covered with short eglandular trichomes, mixed with cup-shaped glands; corolla entirely pale yellow, 35 mm long, glabrous or sparingly and inconspicuously puberulent. Capsule and seeds not seen.