海南大苞兰 hai nan da bao lan

Pseudobulbs ca. 5 mm apart on rhizome, ovoid, 1-1.5 cm, 5-7 mm in diam., with 1 leaf at apex. Leaf subsessile; blade narrowly oblong, 4.5-5.5 × 0.5-0.6 cm, leathery, apex obtuse. Scape erect, ca. 5 cm; peduncle with 2 sheaths; raceme ca. 1.5 cm, 6-8-flowered; floral bracts narrowly lanceolate, ca. 4.2 mm, apex acuminate. Pedicel and ovary 3-3.5 mm. Flowers small. Dorsal sepal ovate-lanceolate, ca. 4.5 × 0.6 mm, margin incurved in apical half, apex long acuminate; lateral sepals similar to dorsal sepal, upper edges incurved, lower edges connate to each other except apices. Petals subobovate, ca. 1.2 × 0.5 mm, 1-veined, apex obtuse-rounded; lip ovate-lanceolate, ca. 2.5 mm, abruptly contracted and thickened in apical half, apex obtuse. Column very short; foot inconspicuous; each pair of pollinia with a stipe and a viscidium. Fl. Mar-Apr.

● Tree trunks in forests; ca. 900 m. Hainan.