维西槽舌兰 wei xi cao she lan

Plants pendulous. Stems 1-2 cm, rooting at base. Leaves many, nearly basal; leaf blade subterete, 10-30 cm × 1.5-2 mm, fleshy, acuminate. Inflorescence short, 1-5-flowered; floral bracts ovate, ca. 2 mm. Flowers white, slightly tinged with pink, lip lateral lobes with purple stripes adaxially; pedicel and ovary ca. 2 cm. Dorsal sepal elliptic, ca. 10 × 7 mm, subobtuse; lateral sepals oblique, similar to dorsal sepal, ca. 15 × 9 mm. Petals spatulate, ca. 11 × 6 mm, obtuse; lip attached to end of column foot, immovable, spurred, 3-lobed; lateral lobes erect, triangular, base extending to column foot; mid-lobe semicircular, ca. 10 × 12 mm, entire, with a strongly thickened basal callus, its sides swollen and forming 2 ridges; spur ca. 7 mm, narrowed toward end, inside papillate. Column ca. 4 mm, foot ca. 1 mm. Fl. May-Jun. 2n = 38*.

● Epiphytic on tree trunks in broad-leaved forests along valleys; 2500-3000 m. NW Yunnan.