毛脉对叶兰查看源代码讨论查看历史
毛脉对叶兰 |
中文名:毛脉对叶兰 拉丁学名:Neottia longicaulis (King & Pantl.) Szlach. 界:植物界 门:被子植物门 纲:单子叶植物纲 目:微子目 科:兰科 属:鸟巢兰属 |
毛脉对叶兰(máo mài duì yè lán,学名:Neottia longicaulis (King & Pantl.) Szlach.)是兰科对叶兰属植物。植株高12-14厘米。茎纤细,中部或中部以上3/5处具2枚对生叶。分布于西藏南部(吉隆)和锡金。生长于海拔2800米的乔松林下。该种唇瓣脉上疏生乳突状短柔毛,是该属国产种类中独一无二的。 [1]
毛脉对叶兰形态特征
毛脉对叶兰 植株高12-14厘米。茎纤细,中部或中部以上3/5处具2枚对生叶。叶以上部分被短柔毛,并具1枚苞片状小叶。
叶片宽卵状心形,长约2.5厘米,宽约3厘米,先端急尖或钝,基部浅心形;苞片状小叶卵状披针形,长4-6毫米。总状花序长3-4厘米,具56朵花;花序轴被短柔毛;花苞片卵状披针形,短于花梗;
花梗长4-5毫米,近无毛;子房长2-3毫米,无毛;花略大,黄绿色;中萼片长圆状卵形,长约4毫米,宽约1.7毫米,先端钝,具1脉;侧萼片稍厚,镰状披针形,较中萼片稍长,宽1.5毫米,先端钝;
花瓣线状披针形,略比中萼片短,宽仅1毫米左右,先端钝,具1脉;唇瓣近长圆形或倒卵状长圆形,长约1.2厘米,中部宽约7毫米,先端2叉裂,基部与上部近等宽或上部略宽,边缘具睫毛;
中脉粗厚宽大,上面有许多细小乳突状腺点,其余脉上有疏生乳突状短柔毛;裂片宽卵形,向前伸,近于平行或略叉开,长约3毫米,先端钝;蕊柱长约2.7毫米,向前倾;
花药位于药床之中,向前俯倾;蕊喙大,位于花药下方。花期7月。 [2]
分类文献
Listera longicaulis King et Pantl. in J. As. Soc. Beng. 65: 126, pl. 2. 1896, et in Ann. Bot. Gard. Calcutta 8: 256, pl. 339. 1898; 西藏植物志5: 743. 图396. 1987.
Listera longicaulis King & Pantling, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 65: 126. 1896.
Plants autotrophic, 12-15 cm tall. Rhizome with a few filiform roots. Stem 8-10 cm, slender, with 1 sheath at base. Leaves 2, opposite, borne above middle of plant, subsessile, broadly ovate-cordate, ca. 2.5 × 3 cm, base shallowly cordate, apex acute or obtuse. Peduncle ca. 1.5 cm, pubescent, with 1 sterile bract 4-6 mm; rachis 3-4 cm, pubescent, laxly to subdensely 5- or 6-flowered; floral bracts ovate-lanceolate, ca. 3 mm, apex acuminate. Flowers resupinate, yellowish green; pedicel 4-5 mm, almost glabrous; ovary 2-3 mm, glabrous. Dorsal sepal oblong-ovate, ca. 4 × 1.7 mm, 1-veined, apex obtuse; lateral sepals lanceolate, falcate, ca. 4.5 × 1.5 mm, slightly thickened, apex obtuse. Petals linear-lanceolate, ca. 3.5 × 1 mm, 1-veined, apex obtuse; lip suboblong or obovate-oblong, ca. 12 × 7 mm, margin ciliate, apex deeply 2-lobed; lobes nearly parallel or slightly divergent, broadly ovate, ca. 3 mm, apices obtuse; disk glandular papillose-pubescent along lateral veins, midvein thickened. Column arcuate above middle, ca. 2.7 mm; anther inclined toward rostellum; rostellum large. Fl. Jul. 2n = 46.
Pinus wallichiana forests; ca. 2800 m. S Xizang [Bhutan, NE India].
P. Ormerod (pers. comm.) notes that a comparison of type material of this species and Listera yueana (here treated as a synomyn of Neottia pinetorum) led him to find them conspecific, and he believes what is called N. longicaulis here and L. longicaulis in FRPS is in fact a different species (see Ormerod, Taiwania 48: 91. 2003).
毛脉对叶兰生长环境
生长于海拔2800米的乔松林下。 [3]
毛脉对叶兰分布范围
参考来源
- ↑ 毛脉对叶兰, 植物智, 2020-01-18
- ↑ 《中国植物志》 第17卷 (1999) >> 116页 PDF >> 毛脉对叶兰 Listera longicaulis
- ↑ Neottia 250092560 Neottia kuanshanensis 关山对叶兰 FOC Vol. 25 200028755 Neottia listeroides 高山鸟巢兰 FOC Vol. 25 250092556 Neottia longicaulis 毛脉对叶兰 FOC ...
- ↑ 中国濒危植物物种名录(五) 2011年6月1日 2352 大花对叶兰 Listera grandiflora var.grandiflora 2353 日本对叶兰 Listera japonica 2354 毛脉对叶兰 Listera longicaulis 2355 长唇对叶兰 Lis...