白花凤蝶兰Papilionanthe biswasiana
中文名（Chinese Name）：白花凤蝶兰
学名（Scientific Name）：Papilionanthe biswasiana (Ghose et Mukerjee) Garay
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Aerides biswasiana Ghose et Mukerjee
科属（Family & Genus）：兰科（Orchidaceae）凤蝶兰属
形态特征（Description）：茎质地坚硬，直立或下垂，粗壮，圆柱形，长达50?迕谆蚋?ぃ??5-7毫米，常不分枝，具多数节，节间长3-4厘米。叶互生，疏离，肉质，斜立，圆柱形，长13-16厘米，粗3-4毫米，向先端渐狭而距先端约2厘米处骤然收狭而然后变为细尖。总状花序通常比叶短，具1-3朵花，花序柄被2-3枚短鞘；花苞片稍肉质，宽卵状三角形，长3-4毫米，先端钝；花梗和子房长3厘米；花大，开展，质地薄，乳白色或有时染有淡粉红色；中萼片和侧萼片相似，倒卵形，长2厘米，宽1厘米，先端圆钝，具7条主脉和多数侧生小脉，侧萼片基部贴生在蕊柱足上；花瓣倒卵形，长1.8厘米，宽1.5厘米，先端圆形，基部收狭，边缘多少不整齐；唇瓣基部着生于蕊柱足末端，3裂；侧裂片直立，2裂，其后裂片（近蕊柱一侧的）长约1.7厘米，向先端渐狭为线形，而前裂片（远离蕊柱的）较短小，长约2毫米，其先端凹缺；中裂片伸展，近扇形，长约1.4厘米，先端深2裂，具长约5毫米的爪，基部具3个肉质状隆起的脊突；距狭长，长约2.5厘米，粗约3毫米，末端变狭而向前下弯；蕊柱长约1厘米，粗3毫米，具长7毫米的蕊柱足。花期4月。
分布（Distribution）：产云南。生于海拔1700～1900米的山地林中树干上。缅甸、泰国也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 477, 478
Papilionanthe biswasiana (Ghose & Mukerjee) Garay, Bot. Mus. Leafl. 23: 371. 1974.
白花凤蝶兰 bai hua feng die lan| Orchidaceae | Papilionanthe
Aerides biswasiana Ghose & Mukerjee, Orchid Rev. 53: 124. 1945.
Stems erect or pendulous, terete, to 50 cm or longer, stout, 5-7 mm in diam., often unbranched, internodes 3-4 cm. Leaves well spaced, terete, 13-16 cm × 3-4 mm, fleshy, abruptly contracted at apex and aristate. Inflorescence often slightly shorter than leaves, 1-3-flowered; peduncle with 2 or 3 short sheaths; floral bracts broadly ovate-triangular, 3-4 mm, slightly fleshy. Flowers opening widely, creamy white, sometimes tinged pale pink, large, thinly textured; pedicel and ovary ca. 3 cm. Sepals similar, obovate, ca. 2 × 1 cm, obtuse-rounded, lateral sepals adnate to column foot. Petals oblanceolate, ca. 1.8 × 1.5 cm, base contracted, margin ± erose, apex rounded; lip spurred, 3-lobed; lateral lobes erect, parallel to column, bilobed; proximal lobule linear, ca. 1.7 cm, attenuate toward apex; distal lobule ca. 2 mm, apex emarginate; mid-lobe spreading, subflabellate, ca. 1.4 cm, deeply bilobed, base with a claw ca. 5 mm, with 3 fleshy keels adaxially; spur cylindric, ca. 2.5 cm × 3 mm, narrowed toward tip, slightly hooked. Column ca. 1 × 0.7 cm. Fl. Apr.
Epiphytic on tree trunks in forests; 1700-1900 m. S Yunnan [Myanmar, Thailand].
Papilionanthe uniflora (Lindley) Garay was reported to be found in SE Xizang (K. Y. Lang & Z. H. Tsi in C. Y. Wu, Fl. Xizang. 5: 778-780, fig. 421. 1987, as Aerides uniflora (Lindley) Summerhayes). The identification was based on a fruiting specimen that is very similar in habit to P. biswasiana rather than P. uniflora.
（责任编辑：徐晔春）
学名（Scientific Name）：Papilionanthe biswasiana (Ghose et Mukerjee) Garay
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Aerides biswasiana Ghose et Mukerjee
科属（Family & Genus）：兰科（Orchidaceae）凤蝶兰属
形态特征（Description）：茎质地坚硬，直立或下垂，粗壮，圆柱形，长达50?迕谆蚋?ぃ??5-7毫米，常不分枝，具多数节，节间长3-4厘米。叶互生，疏离，肉质，斜立，圆柱形，长13-16厘米，粗3-4毫米，向先端渐狭而距先端约2厘米处骤然收狭而然后变为细尖。总状花序通常比叶短，具1-3朵花，花序柄被2-3枚短鞘；花苞片稍肉质，宽卵状三角形，长3-4毫米，先端钝；花梗和子房长3厘米；花大，开展，质地薄，乳白色或有时染有淡粉红色；中萼片和侧萼片相似，倒卵形，长2厘米，宽1厘米，先端圆钝，具7条主脉和多数侧生小脉，侧萼片基部贴生在蕊柱足上；花瓣倒卵形，长1.8厘米，宽1.5厘米，先端圆形，基部收狭，边缘多少不整齐；唇瓣基部着生于蕊柱足末端，3裂；侧裂片直立，2裂，其后裂片（近蕊柱一侧的）长约1.7厘米，向先端渐狭为线形，而前裂片（远离蕊柱的）较短小，长约2毫米，其先端凹缺；中裂片伸展，近扇形，长约1.4厘米，先端深2裂，具长约5毫米的爪，基部具3个肉质状隆起的脊突；距狭长，长约2.5厘米，粗约3毫米，末端变狭而向前下弯；蕊柱长约1厘米，粗3毫米，具长7毫米的蕊柱足。花期4月。
分布（Distribution）：产云南。生于海拔1700～1900米的山地林中树干上。缅甸、泰国也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 477, 478
Papilionanthe biswasiana (Ghose & Mukerjee) Garay, Bot. Mus. Leafl. 23: 371. 1974.
白花凤蝶兰 bai hua feng die lan| Orchidaceae | Papilionanthe
Aerides biswasiana Ghose & Mukerjee, Orchid Rev. 53: 124. 1945.
Stems erect or pendulous, terete, to 50 cm or longer, stout, 5-7 mm in diam., often unbranched, internodes 3-4 cm. Leaves well spaced, terete, 13-16 cm × 3-4 mm, fleshy, abruptly contracted at apex and aristate. Inflorescence often slightly shorter than leaves, 1-3-flowered; peduncle with 2 or 3 short sheaths; floral bracts broadly ovate-triangular, 3-4 mm, slightly fleshy. Flowers opening widely, creamy white, sometimes tinged pale pink, large, thinly textured; pedicel and ovary ca. 3 cm. Sepals similar, obovate, ca. 2 × 1 cm, obtuse-rounded, lateral sepals adnate to column foot. Petals oblanceolate, ca. 1.8 × 1.5 cm, base contracted, margin ± erose, apex rounded; lip spurred, 3-lobed; lateral lobes erect, parallel to column, bilobed; proximal lobule linear, ca. 1.7 cm, attenuate toward apex; distal lobule ca. 2 mm, apex emarginate; mid-lobe spreading, subflabellate, ca. 1.4 cm, deeply bilobed, base with a claw ca. 5 mm, with 3 fleshy keels adaxially; spur cylindric, ca. 2.5 cm × 3 mm, narrowed toward tip, slightly hooked. Column ca. 1 × 0.7 cm. Fl. Apr.
Epiphytic on tree trunks in forests; 1700-1900 m. S Yunnan [Myanmar, Thailand].
Papilionanthe uniflora (Lindley) Garay was reported to be found in SE Xizang (K. Y. Lang & Z. H. Tsi in C. Y. Wu, Fl. Xizang. 5: 778-780, fig. 421. 1987, as Aerides uniflora (Lindley) Summerhayes). The identification was based on a fruiting specimen that is very similar in habit to P. biswasiana rather than P. uniflora.
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