中华槽舌兰Holcoglossum sinicum

中文名(Chinese Name):中华槽舌兰
学名(Scientific Name):Holcoglossum sinicum Christenson
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科(Orchidaceae)槽舌兰属
形态特征(Description):植株悬垂,具很短的茎和多数长而弯曲的圆柱形气根。叶多数,半圆柱形,肉质,长达23厘米,粗约2毫米,先端锐尖,基部具关节并且扩大成彼此套迭的鞘。花序很短,不超过茎长,总状花序具1-3朵花;花苞片卵形,长约2毫米;花开放,白色;中萼片椭圆形,长9毫米,宽4毫米,先端稍钝;侧萼片与中萼片相似,长1厘米,宽5毫米,先端稍钝;花瓣相似于中萼片,长8毫米,宽4毫米,先端稍钝;唇瓣贴生于蕊柱足,无关节,3裂;侧裂片直立,卵状三角形,宽约2毫米,先端钝,基部下延至蕊柱足上;中裂片近菱形,宽约7毫米,先端圆形,全缘,基部具1个黄色胼胝体,但胼胝体不甚增厚,其两侧不隆起成脊突;距狭圆锥形,长8毫米;蕊柱直立,长3毫米,具长约2毫米的蕊柱足;粘盘柄线形;粘盘为不规则的四方形,比粘盘柄宽。蒴果圆柱形,长1.3厘米,粗3毫米,具6条肋。花期5月,果期6-8月。
分布(Distribution):产云南西部,生于海拔2700-3200米的山地林中树干上。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 499, 501   
Holcoglossum sinicum Christenson, Notes Roy. Bot. Gard. Edinburgh. 44: 255. 1987.
中华槽舌兰 zhong hua cao she lan| Orchidaceae  | Holcoglossum
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.
中华槽舌兰Holcoglossum sinicum

中华槽舌兰Holcoglossum sinicum(责任编辑:徐晔春)

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