中华槽舌兰 zhong hua cao she lan

Plants pendulous. Stems very short. Leaves many, nearly basal; blade subterete, 10-20 cm × ca. 2 mm, fleshy, acute. Inflorescence very short, 1-3-flowered; floral bracts ovate, ca. 2 mm. Flowers opening widely, white, lip callus yellow. Dorsal sepal elliptic, ca. 9 × 4 mm, obtuse; lateral sepals slightly oblique, subelliptic, ca. 10 × 5 mm, obtuse. Petals similar to dorsal sepal, ca. 8 × 4 mm, obtuse; lip spurred, 3-lobed; lateral lobes erect, ovate-triangular, ca. 2 mm wide, base decurrent and adnate to column foot, apex obtuse; mid-lobe subrhombic, ca. 7 mm wide, with a basal callus, margin entire, apex rounded; spur narrowly conic, ca. 8 mm. Column erect, ca. 3 mm, foot ca. 2 mm; stipe linear, tapering; viscidium irregularly square, wider than stipe. Capsule cylindric, ca. 1.3 cm × 3 mm, 6-ribbed. Fl. May, fr. Jun-Aug. 2n = 38*.

● Epiphytic on tree trunks in Alnus or Quercus forests; 2600-3200 m. N Yunnan.