卵叶石豆兰
| 卵叶石豆兰 |
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中文名:卵叶石豆兰 拼 音:luǎn yè shí dòu lán 学 名:Bulbophyllum ovalifolium (Blume) Lindl. 界:植物界 亚 界:绿色植物亚界 总 门:轮藻总门 门:木贼门（有胚植物门） 亚 门:木贼亚门（维管植物亚门） 纲:木兰纲（被子植物纲） 亚 纲:百合亚纲 超 目:天门冬超目 目:天门冬目 科:兰科 属:石豆兰属 种:卵叶石豆兰 |
卵叶石豆兰(luǎn yè shí dòu lán)，学名 Bulbophyllum ovalifolium (Blume) Lindley，异名：Bulbophyllum ovatilabellum Diphyes ovalifolia，兰科，石豆兰属植物。 [1]
目录
形态特征
Plants small. Rhizome creeping. Pseudobulbs contiguous, nearly flattened globose or ellipsoid, 4-10 × 5-8 mm, with a terminal leaf. Leaf subsessile or shortly petiolate;
blade elliptic, 10-30 × 4.5-10 mm, leathery, base contracted, apex obtuse. Scapes from base of pseudobulb, erect, 32-60 mm, terminating in a solitary flower;
peduncle filiform, 10-30 mm; floral bracts cupular, ca. 2 mm, apex acute. Pedicel and ovary 15-23 mm. Flowers cream-colored or yellow to red, usually with darker veins; lip yellow, orange, or red.
Dorsal sepal elliptic, 3.8-6.8 × 1.5-3 mm, apex acute-apiculate, margins glabrous to finely erose to ciliolate distally; lateral sepals elliptic, 4.5-12 × 2-8 mm, ± glabrous, margins entire, apex acute to acuminate.
Petals (ob-)ovate-oblong, 1-1.8 × 0.7-1 mm, obtuse, margins entire; lip elliptic to ovate, 1.8-3.5 × 1.2-2.5 mm, fleshy, proximally concave because of upturned margins, margins then folding downward, rounded, adaxial surface distally papillose to verrucose toward margins.
Column 1-1.8 mm; stelidia narrowly triangular to subulate, 0.5-1 mm, lower margin with a deltoid, obtuse tooth; foot ca. 1.5 mm, with free part ca. 1 mm; anther cap subglobose, papillose. Fl. May.
分类文献
FOC >> Vol.25 (2009) >> Orchidaceae >> Bulbophyllum 25.Bulbophyllum ovalifolium (Blume) Lindley Gen. Sp. Orchid. Pl. 49. 1830.
卵叶石豆兰 luan ye shi dou lan Diphyes ovalifolia Blume, Bijdr. 318. 1825; Bulbophyllum ovatilabellum Seidenfaden.
产地生境
Tree trunks in forests; ca. 2400 m. Yunnan [Indonesia, Malaysia, Thailand].
辨析
This species was first recorded from China, without illustration, by X. H. Jin, H. Li, and D. Z. Li (Acta Phytotax. Sin. 45: 803-804. 2007), as Bulbophyllum ovatilabellum.This species was first recorded from China, without illustration, by X. H. Jin, H. Li, and D. Z. Li (Acta Phytotax. Sin. 45: 803-804. 2007), as Bulbophyllum ovatilabellum.