Staurogyne trinitensis

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Staurogyne trinitensis


Decumbent herb, flowering shoots erect or suberect, 4-10 cm tall, rooting at the lower nodes, older shoots pendent and producing new flowering shoots from leaf axils, all densely villous. Petiole to 10 mm long, upper leaves subsessile; blade oblong, ovate or rhomboid, lower blade to 3.5 x 1.7 cm, upper blade 1.5 x 0.7 mm, acute at both apex and base, membranous, rugose, dull green on upper surface, silvery on lower surface, sparingly pilose on both surfaces, margin narrowly revolute and irregularly and inconspicuously dentate; primary vein on both surfaces and secondary veins (6-7 pairs) on lower surface densely pubescent. Inflorescence capitate, usually 5-flowered, lower flowers subtended by reduced, subsessile leaves, other ones subtended by bracts, linear-lanceolate to oblong, 7 x 1.5 mm, indistinctly dentate, 1-veined, villous along margin and on primary vein; bracteoles narrowly linear, 5 x 0.8 mm, otherwise similar to bracts. Calyx eglandular, 4-6 mm long, pilose and ciliate, posterior lobe 0.5-0.7 mm wide, 3- veined, other 4 lobes 0.3-0.5 mm wide, 1-veined; corolla whitish, 5-6.2 mm long, upper lip 0.7 mm long, lobes ca. 1 mm wide, lower lip 1.5 mm long, middle lobe ovate, ca. 1 mm wide, lateral lobes similar but somewhat narrower, all puberulous; filaments 1.4 mm long; ovary glabrous, 0.8 mm high, style glabrous, 2.5 mm long, terminating in two, unequal lobes. Capsule 3.8 x 1.4 mm, puberulous towards tip, distinctly apiculate.


Guianas present, Southern America: Brazil North (Amapá present); Venezuela (Venezuela present), Trinidad present
Venezuela, Trinidad, the Guianas, and Brazil (Amapá); 11 collections studied of which 5 from the Guianas (GU: 1; SU: 2; FG: 2).


Flowering ; fruiting .