白花拟万带兰Vandopsis undulata
中文名（Chinese Name）：白花拟万带兰
学名（Scientific Name）：Vandopsis undulata (Lindl.) J. J. Smith
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Stauropsis undulata (Lindl.) Benth. ex Hook. f. Stauropsis polyantha W. W. Sm. Vanda undulata Lindl. Stauropsis undulatus (Lindl.) Benth. ex Hook.f. Fieldia undulata (Lindl.) Rchb.f.
科属（Family & Genus）：兰科（Orchidaceae）拟万代兰属
形态特征（Description）：茎斜立或下垂，质地坚硬，圆柱形，长达1米，粗6-8毫米，具分枝，多节，节间长2.5-4厘米。叶革质，长圆形，长9-12厘米，宽1.5-2.5厘米，先端钝并且稍不等侧2裂，基部具宿存而抱茎的鞘；叶鞘表面皱缩呈疣状突起。花序长达50厘米，通常具少数分枝，总状花序或圆锥花序疏生少数至多数花；花序柄和花序轴粗壮，坚实；花苞片绿色，宽卵形，长6-8毫米，先端钝；花梗和子房白色，长约2.7厘米；花大，芳香，白色；中萼片斜立，近倒卵形，长2.5-4厘米，宽8-12毫米，先端钝，基部收狭呈爪，边缘波状皱曲，具4-5条主脉；侧萼片稍反折而下弯，卵状披针形，长2.4-4厘米，宽1.2-1.4厘米，先端近渐尖，基部收狭，边缘波状皱曲，具5条主脉；花瓣稍反折，相似于萼片而较小，先端稍钝，基部收狭，边缘波状，具5条主脉；唇瓣比花瓣短，3裂；侧裂片内面褐红色带绿色，近直立，多少抱蕊柱，半卵状三角形，长约5毫米，先端锐尖；中裂片肉质，白色带淡粉红色，多少翘起，狭窄，中部以上曲膝状并且多少两侧压扁，上面中央具高高隆起的龙骨脊，基部凹陷；蕊柱白色，长约4毫米；药帽棕红色，半球形，前端稍伸长呈半圆形；粘盘柄近披针形，长约2毫米，中部以上曲膝状，上端变狭；粘盘较厚，近肾形，比粘盘柄宽。花期5-6月。
分布（Distribution）：产云南、西藏。生于海拔1860～2200米的林中大乔木树干上或山坡灌丛中岩石上。尼泊尔、锡金、不丹、印度东北部也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 447
Vandopsis undulata (Lindley) J. J. Smith, Natuurk. Tijdschr. Ned.-Indië. 72: 77. 1912.
白花拟万代兰 bai hua ni wan dai lan| Orchidaceae | Vandopsis
Vanda undulata Lindley, J. Proc. Linn. Soc., Bot. 3: 42. 1858; Stauropsis polyantha W. W. Smith; S. undulatus (Lindley) Bentham ex J. D. Hooker.
Stems ascending or pendulous, cylindric, to 1 m, 6-8 mm in diam., rigid, branching, many noded, internodes 2.5-4 cm. Leaves oblong, 9-12 × 1.5-2.5 cm, leathery, obtuse, unequally bilobed; basal sheaths persistent and amplexicaul, verrucose. Inflorescence to 50 cm, usually with a few branches, laxly few flowered; peduncle and rachis stout; floral bracts green, broadly ovate, 6-8 mm, obtuse. Flowers fragrant, 3-3.6 cm in diam.; sepals and petals white, lip yellow to white at apex, lemon-yellow with purple-red basal striations, anther cap yellow; pedicel and ovary ca. 2.7 cm, white. Dorsal sepal subobovate, 2.5-4 × 0.8-1.2 cm, base clawed, margin crisped, apex obtuse; lateral sepals slightly recurved, ovate-lanceolate, 2.4-4 × 1.2-1.4 cm, margin crisped, apex subacuminate. Petals slightly recurved, similar to sepals but smaller, margin undulate, apex obtuse; lip shorter than petals, 3-lobed; lateral lobes erect, ± embracing column, subovate-triangular, ca. 5 mm, acute; mid-lobe laterally compressed, spatulate, ca. 6 × 5 mm, concave, truncate; disk with 2 ridges from base. Column ca. 4 mm; anther cap subglobose; stipe sublanceolate, ca. 2 mm; viscidium subensiform, wider than stipe, thick. Fl. May-Jun. 2n = 38.
Epiphytic on tree trunks in forests or lithophytic on rocks on shrubby slopes; 1500-2300 m. SE Xizang, S and W Yunnan [Bhutan, NE and NW India, Nepal].
（责任编辑：徐晔春）
学名（Scientific Name）：Vandopsis undulata (Lindl.) J. J. Smith
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Stauropsis undulata (Lindl.) Benth. ex Hook. f. Stauropsis polyantha W. W. Sm. Vanda undulata Lindl. Stauropsis undulatus (Lindl.) Benth. ex Hook.f. Fieldia undulata (Lindl.) Rchb.f.
科属（Family & Genus）：兰科（Orchidaceae）拟万代兰属
形态特征（Description）：茎斜立或下垂，质地坚硬，圆柱形，长达1米，粗6-8毫米，具分枝，多节，节间长2.5-4厘米。叶革质，长圆形，长9-12厘米，宽1.5-2.5厘米，先端钝并且稍不等侧2裂，基部具宿存而抱茎的鞘；叶鞘表面皱缩呈疣状突起。花序长达50厘米，通常具少数分枝，总状花序或圆锥花序疏生少数至多数花；花序柄和花序轴粗壮，坚实；花苞片绿色，宽卵形，长6-8毫米，先端钝；花梗和子房白色，长约2.7厘米；花大，芳香，白色；中萼片斜立，近倒卵形，长2.5-4厘米，宽8-12毫米，先端钝，基部收狭呈爪，边缘波状皱曲，具4-5条主脉；侧萼片稍反折而下弯，卵状披针形，长2.4-4厘米，宽1.2-1.4厘米，先端近渐尖，基部收狭，边缘波状皱曲，具5条主脉；花瓣稍反折，相似于萼片而较小，先端稍钝，基部收狭，边缘波状，具5条主脉；唇瓣比花瓣短，3裂；侧裂片内面褐红色带绿色，近直立，多少抱蕊柱，半卵状三角形，长约5毫米，先端锐尖；中裂片肉质，白色带淡粉红色，多少翘起，狭窄，中部以上曲膝状并且多少两侧压扁，上面中央具高高隆起的龙骨脊，基部凹陷；蕊柱白色，长约4毫米；药帽棕红色，半球形，前端稍伸长呈半圆形；粘盘柄近披针形，长约2毫米，中部以上曲膝状，上端变狭；粘盘较厚，近肾形，比粘盘柄宽。花期5-6月。
分布（Distribution）：产云南、西藏。生于海拔1860～2200米的林中大乔木树干上或山坡灌丛中岩石上。尼泊尔、锡金、不丹、印度东北部也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 447
Vandopsis undulata (Lindley) J. J. Smith, Natuurk. Tijdschr. Ned.-Indië. 72: 77. 1912.
白花拟万代兰 bai hua ni wan dai lan| Orchidaceae | Vandopsis
Vanda undulata Lindley, J. Proc. Linn. Soc., Bot. 3: 42. 1858; Stauropsis polyantha W. W. Smith; S. undulatus (Lindley) Bentham ex J. D. Hooker.
Stems ascending or pendulous, cylindric, to 1 m, 6-8 mm in diam., rigid, branching, many noded, internodes 2.5-4 cm. Leaves oblong, 9-12 × 1.5-2.5 cm, leathery, obtuse, unequally bilobed; basal sheaths persistent and amplexicaul, verrucose. Inflorescence to 50 cm, usually with a few branches, laxly few flowered; peduncle and rachis stout; floral bracts green, broadly ovate, 6-8 mm, obtuse. Flowers fragrant, 3-3.6 cm in diam.; sepals and petals white, lip yellow to white at apex, lemon-yellow with purple-red basal striations, anther cap yellow; pedicel and ovary ca. 2.7 cm, white. Dorsal sepal subobovate, 2.5-4 × 0.8-1.2 cm, base clawed, margin crisped, apex obtuse; lateral sepals slightly recurved, ovate-lanceolate, 2.4-4 × 1.2-1.4 cm, margin crisped, apex subacuminate. Petals slightly recurved, similar to sepals but smaller, margin undulate, apex obtuse; lip shorter than petals, 3-lobed; lateral lobes erect, ± embracing column, subovate-triangular, ca. 5 mm, acute; mid-lobe laterally compressed, spatulate, ca. 6 × 5 mm, concave, truncate; disk with 2 ridges from base. Column ca. 4 mm; anther cap subglobose; stipe sublanceolate, ca. 2 mm; viscidium subensiform, wider than stipe, thick. Fl. May-Jun. 2n = 38.
Epiphytic on tree trunks in forests or lithophytic on rocks on shrubby slopes; 1500-2300 m. SE Xizang, S and W Yunnan [Bhutan, NE and NW India, Nepal].
（责任编辑：徐晔春）
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