中华槽舌兰(中国兰花全书)
Holcoglossum sinicum Christenson in Not. Bot. Gard. Edinb. 44 (2): 255. 1987; 中国兰花全书: 174. 1998.
Epiphytic on tree trunks in Alnus or Quercus forests; 2600-3200 m. N Yunnan. | ||
Plants pendulous. Stems very short. With short stems and many long, curved cylindrical aerial roots. | ||
Leaves many, nearly basal; blade subterete, 10-20 cm × ca. 2 mm, fleshy, acute,The base has joints and expands into sheaths that overlap each other. | ||
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. | ||
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