Ruellia geminiflora var. angustifolia

Primary tabs

Ruellia geminiflora var. angustifolia

Description

Herb to 40 cm high. Stem subquadrangular, sulcate, densely to sparsely hirsute to glabrescent, cystoliths inconspicuous. Leaves sessile to subsessile; blade linear to narrowly lanceolate, to 6.5 cm long and 1.2(-1.5) cm wide, acute to obtusish (tip itself blunt), narrowed at base, both surfaces densely to sparsely hirsute; primary vein and secondary veins (5-8 pairs) usually prominent on lower surface; cystoliths obscure. Inflorescence of sessile, solitary or paired flowers in axils of terminal leaves, often opposite; bracts 0; bracteoles linearto 6.5 mm long and 0.8 mm wide, hirsute. Calyx lobes linear-lanceolate, ca. 15 x 1 mm, densely hirsute; corolla blue, pink, whitish, violet or blue-violet, 45-50 mm long, pubescent, tube funnelform, ca. 20 mm broad at throat, narrow basal part ca. 10 x 2 mm, lobes ca. 15 mm long. Capsule ovoid, 10 x 5 mm, pubescent, apically apiculate, stipe ca. 3 mm long.

Distribution

Guianas present, Southern America: Venezuela (Venezuela present), eastern Colombia present
Eastern Colombia, Venezuela and the Guianas; 80 collections studied of which 46 from the Guianas (GU: 21; SU: 14; FG: 10).

Phenology

Flowering and fruiting .