中文名(Chinese Name):大花独蒜兰
学名(Scientific Name):Pleione grandiflora (Rolfe) Rolfe
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Pleione pinkepankii Braem et H. Mohr.
科属(Family & Genus):兰科(Orchidaceae)独蒜兰属
形态特征(Description):附生草本。假鳞茎近圆锥形,上端渐狭成明显的长颈,全长3-4.5厘米,直径1.2-1.5厘米,绿色,顶端具1枚叶。叶在花期尚幼嫩,披针形,纸质,先端急尖,基部渐狭成柄。花葶从无叶的老假鳞茎基部发出,直立,长达10-15厘米,基部约2/3包藏于3-4枚膜质鞘内,顶端具1花;花苞片狭椭圆形,长2.3-4厘米,明显长于花梗和子房,先端钝;花白色,较大,唇瓣上有时具深紫红色或褐色的斑;中萼片倒披针形,长5-5.5厘米,宽1-1.5厘米,先端浑圆;侧萼片狭椭圆形,多少偏斜,略短而宽于中萼片,先端钝;花瓣镰刀状倒披针形,长5-5.5厘米,宽8-10毫米,先端浑圆;唇瓣宽卵状椭圆形,长5-5.5厘米,宽3-4厘米,不明显3裂,基部收狭成长1厘米的爪,先端微缺,中部至上部边缘撕裂状,上面具5-7条褶片;褶片呈不规则的撕裂状;蕊柱长3.8-4厘米,向前弯曲,顶部两侧具极窄的翅;翅在顶端全缘,围绕蕊柱。花期5月。
分布(Distribution):产云南。生于林下岩石上,海拔2650-2850米。模式标本采自云南蒙自。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 326, 331
Pleione grandiflora (Rolfe) Rolfe, Orchid Rev. 11: 291. 1903.
大花独蒜兰 da hua du suan lan | Orchidaceae | Pleione
Coelogyne grandiflora Rolfe, J. Linn. Soc., Bot. 36: 22. 1903; Pleione barbarae Braem; P. braemii Pinkepank; P. harberdii Braem; P. moelleri Braem; P. mohrii Braem; P. pinkepankii Braem & H. Mohr.
Herbs, lithophytic. Pseudobulb green, subconic, 3-4.5 × 1.2-1.5 cm, enclosed by fibrous remains of basal sheaths, 1-leaved. Leaf very immature at anthesis, lanceolate, papery, base attenuate into a petiole-like stalk, apex acute. Inflorescence erect; peduncle 10-15 cm, covered by 3 or 4 membranous sheaths in lower 2/3; floral bracts narrowly elliptic, 23-40 mm, exceeding ovary, apex obtuse. Flower solitary, large, white, sometimes with dark purplish red or brown spots and streaks on lip. Dorsal sepal oblanceolate, 50-55 × 10-15 mm, apex rounded; lateral sepals narrowly elliptic, slightly oblique, 48-55 × 10-15 mm, usually slightly shorter but wider than dorsal sepal, apex obtuse. Petals oblanceolate, falcate, 50-55 × 8-10 mm, apex rounded; lip broadly ovate-elliptic to flabellate, 50-55 × 30-40 mm, obscurely 3-lobed, base narrowed into a claw ca. 10 mm, upper part of lateral margins and apical margin coarsely lacerate, apex emarginate; disk with 4 or 5(-7) irregularly lacerate lamellae. Column arcuate, 38-40 mm, apex not toothed; column wings very narrow. Fl. May.
On rocks in forests; 2600-2900 m. SE and SW Yunnan [N Vietnam].
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