广东异型兰 guang dong yi xing lan

Stems very short, with many long flattened roots, leafless. Inflorescences 1 or 2, pendulous, racemose, laxly several flowered; rachis and peduncle 1.5-6 cm, ca. 1 mm in diam., densely pubescent; floral bracts 3-3.5 mm, ovate-lanceolate, glabrous, membranous, acute. Flowers yellow, glabrous; pedicel and ovary ca. 5 mm, densely pubescent. Dorsal sepal ovate, ca. 5 × 3 mm, 5-veined, rounded; lateral sepals subelliptic, ca. 5 × 3 mm, 4-veined, rounded. Petals ovate, ca. 4.5 × 2.5 mm, 3-veined; lip 3-lobed; lateral lobes erect, suborbicular; mid-lobe ovate-triangular, nearly as large as lateral lobes, slightly concave centrally, with a spongy appendage adaxially, apex rounded. Column ca. 1.5 mm, foot ca. 3 mm; anther cap shortly beaked at apex, with 2 filiform appendages on both sides. Capsule straight, cylindric, ca. 2 cm × 4 mm. Fl. Apr, fr. May-Jun.

● Epiphytic on tree trunks in evergreen broad-leaved forests. N Guangdong.