线柱兰Zeuxine strateumatica
中文名（Chinese Name）：线柱兰
学名（Scientific Name）：Zeuxine strateumatica (Linn.) Schltr.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Orchis strateumatica L. Spiranthes strateumatica (L.) Lindl. Zeuxine rupicola Fukuy. Zeuxine strateumatica var. rupicola (Fukuy.) S. S. Ying Zeuxine membranancea Lindl. Neottia strateumatica (L.) R.Br. Strateuma zeylanica Raf. Tripleura pallida Lindl. Zeuxine bonii Gagnep. Zeuxine bracteata Wight Zeuxine brevifolia Wight Zeuxine emarginata (Blume) Lindl. Zeuxine evrardii Gagnep. Zeuxine integerrima (Blume) Lindl. Zeuxine procumbens Blume Zeuxine robusta Wight Zeuxine stenochila Schltr. Zeuxine tripleura Lindl. Zeuxine wariana Schltr. Pterygodium sulcata Roxb. Adenostylis emarginata Blume Adenostylis integerrima Blume Adenostylis strateumatica (L.) Ames Adenostylis sulcata (Roxb.) Hayata Zeuxine strateumatica var. laxiflora I.Barua Zeuxine strateumatica f. rupicola (Fukuy.) T.Hashim. Pterygodium sulcatum Roxb.
科属（Family & Genus）：兰科（Orchidaceae）线柱兰属
形态特征（Description）：植株高4-28厘米。根状茎短，匍匐。茎淡棕色，直立或近直立，具多枚叶。叶淡褐色，无柄，具鞘抱茎，叶片线形至线状披针形，长2-8厘米，宽2-6毫米，先端渐尖，有时均成苞片状。总状花序几乎无花序梗，具几朵至20余朵密生的花，长2-5厘米，花序轴无毛或有毛；花苞片卵状披针形，红褐色，长8-12毫米，先端长渐尖，长于花，背面无毛或有毛；子房椭圆状圆柱形，扭转，无毛或有毛，连花梗长5-6毫米；花小，白色或黄白色；萼片背面无毛或有毛；中萼片狭卵状长圆形，凹陷，长4-5.5毫米，宽2-2.5毫米，先端钝，具1脉，与花瓣粘合呈兜状；侧萼片偏斜的长圆形，长4-5毫米，宽1.8-2毫米，先端急尖，具1脉；花瓣歪斜，半卵形或近镰状，与中萼片等长，宽1.5-1.8毫米，先端钝，具1脉，无毛；唇瓣肉质或较薄，舟状，淡黄色或黄色，基部凹陷呈囊状，其内面两侧各具1枚近三角形的胼胝体，中部收狭成长约0.5毫米、中央具沟痕的短爪，前部稍扩大，横椭圆形，长2毫米，宽约1.4毫米，顶端圆钝，稍凹陷或具稍微突起。蒴果椭圆形，长约6毫米，淡褐色。花期春天至夏天。
分布（Distribution）：产福建、台湾、湖北、广东、香港、海南、广西、四川、云南。生于海拔1000米以下的沟边或河边的潮湿草地。日本及东南亚也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 71, 72
Zeuxine strateumatica (Linnaeus) Schlechter, Bot. Jahrb. Syst. 45: 394. 1911.
线柱兰 xian zhu lan| Orchidaceae | Zeuxine
Orchis strateumatica Linnaeus, Sp. Pl. 2: 943. 1753; Adenostylis emarginata Blume; A. integerrima Blume; A. strateumatica (Linnaeus) Ames; A. sulcata (Roxburgh) Hayata; Neottia strateumatica (Linnaeus) R. Brown; Pterygodium sulcatum Roxburgh; Spiranthes strateumatica (Linnaeus) Lindley; Tripleura pallida Lindley; Zeuxine bonii Gagnepain; Z. bracteata Wight; Z. brevifolia Wight; Z. emarginata (Blume) Lindley; Z. integerrima (Blume) Lindley; Z. procumbens Blume; Z. robusta Wight; Z. rupicola Fukuyama; Z. stenochila Schlechter; Z. strateumatica f. rupicola (Fukuyama) T. Hashimoto; Z. strateumatica var. rupicola (Fukuyama) S. S. Ying; Z. sulcata (Roxburgh) Lindley; Z. tripleura Lindley; Z. wariana Schlechter.
Plants 4-24 cm tall, slender. Rhizome short. Stem erect or ascending, pale brown, with several to many leaves. Leaves cauline, usually clustered and overlapping, pale brown, linear to linear-lanceolate, sometimes bractlike, 2-8 × 0.2-0.6 cm, base directly sheathing stem, not stalked, apex acuminate. Inflorescence 2-7 cm, glabrous, with a few to more than 20 densely arranged flowers; floral bracts reddish brown, ovate-lanceolate, 8-12 mm, longer than flower, glabrous, apex long acuminate. Flowers resupinate, white or yellowish white, small; ovary and pedicel elliptic-cylindric, 5-6 mm, glabrous. Sepals glabrous; dorsal sepal narrowly ovate-oblong, concave, 4-6 × 2-3 mm, 1-veined, apex obtuse; lateral sepals obliquely oblong, 4-5.5 × 1.5-2.5 mm, 1-veined, apex acute or obtuse. Petals subovate to obovate, oblique, 4-5.5 × 1.5-1.8 mm, glabrous, 1-veined, apex obtuse; lip pale yellow to yellow, cymbiform, 4-5 mm, 3-partite; hypochile concave-saccate, containing 2 subtriangular, lamellate calli; mesochile ca. 1 mm, exterior surfaces minutely papillate toward apex, margin denticulate, involute; epichile transversely elliptic-oblong, 1.4-1.8 × 2-2.5 mm, minutely papillate, apex with a small mucro to slightly emarginate. Column ca. 1.5 mm; wings longitudinally oblong; rostellum arms ca. 0.6 mm. Capsule pale brown, elliptic, ca. 6 mm. Fl. Mar-Jul. 2n = 20, 22, 40, 42, 50, 100.
Damp grasslands, meadows, valleys, along streams; below 1000 m. Fujian, Guangdong, Guangxi, Hainan, Hubei, Sichuan, Taiwan, Yunnan [Afghanistan, Bhutan, Cambodia, India, Japan, Kashmir, Laos, Malaysia, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; SW Asia, Pacific islands].
This is a weed in Saudi Arabia and the United States (Florida, Hawaii).
（责任编辑：徐晔春）
学名（Scientific Name）：Zeuxine strateumatica (Linn.) Schltr.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Orchis strateumatica L. Spiranthes strateumatica (L.) Lindl. Zeuxine rupicola Fukuy. Zeuxine strateumatica var. rupicola (Fukuy.) S. S. Ying Zeuxine membranancea Lindl. Neottia strateumatica (L.) R.Br. Strateuma zeylanica Raf. Tripleura pallida Lindl. Zeuxine bonii Gagnep. Zeuxine bracteata Wight Zeuxine brevifolia Wight Zeuxine emarginata (Blume) Lindl. Zeuxine evrardii Gagnep. Zeuxine integerrima (Blume) Lindl. Zeuxine procumbens Blume Zeuxine robusta Wight Zeuxine stenochila Schltr. Zeuxine tripleura Lindl. Zeuxine wariana Schltr. Pterygodium sulcata Roxb. Adenostylis emarginata Blume Adenostylis integerrima Blume Adenostylis strateumatica (L.) Ames Adenostylis sulcata (Roxb.) Hayata Zeuxine strateumatica var. laxiflora I.Barua Zeuxine strateumatica f. rupicola (Fukuy.) T.Hashim. Pterygodium sulcatum Roxb.
科属（Family & Genus）：兰科（Orchidaceae）线柱兰属
形态特征（Description）：植株高4-28厘米。根状茎短，匍匐。茎淡棕色，直立或近直立，具多枚叶。叶淡褐色，无柄，具鞘抱茎，叶片线形至线状披针形，长2-8厘米，宽2-6毫米，先端渐尖，有时均成苞片状。总状花序几乎无花序梗，具几朵至20余朵密生的花，长2-5厘米，花序轴无毛或有毛；花苞片卵状披针形，红褐色，长8-12毫米，先端长渐尖，长于花，背面无毛或有毛；子房椭圆状圆柱形，扭转，无毛或有毛，连花梗长5-6毫米；花小，白色或黄白色；萼片背面无毛或有毛；中萼片狭卵状长圆形，凹陷，长4-5.5毫米，宽2-2.5毫米，先端钝，具1脉，与花瓣粘合呈兜状；侧萼片偏斜的长圆形，长4-5毫米，宽1.8-2毫米，先端急尖，具1脉；花瓣歪斜，半卵形或近镰状，与中萼片等长，宽1.5-1.8毫米，先端钝，具1脉，无毛；唇瓣肉质或较薄，舟状，淡黄色或黄色，基部凹陷呈囊状，其内面两侧各具1枚近三角形的胼胝体，中部收狭成长约0.5毫米、中央具沟痕的短爪，前部稍扩大，横椭圆形，长2毫米，宽约1.4毫米，顶端圆钝，稍凹陷或具稍微突起。蒴果椭圆形，长约6毫米，淡褐色。花期春天至夏天。
分布（Distribution）：产福建、台湾、湖北、广东、香港、海南、广西、四川、云南。生于海拔1000米以下的沟边或河边的潮湿草地。日本及东南亚也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 71, 72
Zeuxine strateumatica (Linnaeus) Schlechter, Bot. Jahrb. Syst. 45: 394. 1911.
线柱兰 xian zhu lan| Orchidaceae | Zeuxine
Orchis strateumatica Linnaeus, Sp. Pl. 2: 943. 1753; Adenostylis emarginata Blume; A. integerrima Blume; A. strateumatica (Linnaeus) Ames; A. sulcata (Roxburgh) Hayata; Neottia strateumatica (Linnaeus) R. Brown; Pterygodium sulcatum Roxburgh; Spiranthes strateumatica (Linnaeus) Lindley; Tripleura pallida Lindley; Zeuxine bonii Gagnepain; Z. bracteata Wight; Z. brevifolia Wight; Z. emarginata (Blume) Lindley; Z. integerrima (Blume) Lindley; Z. procumbens Blume; Z. robusta Wight; Z. rupicola Fukuyama; Z. stenochila Schlechter; Z. strateumatica f. rupicola (Fukuyama) T. Hashimoto; Z. strateumatica var. rupicola (Fukuyama) S. S. Ying; Z. sulcata (Roxburgh) Lindley; Z. tripleura Lindley; Z. wariana Schlechter.
Plants 4-24 cm tall, slender. Rhizome short. Stem erect or ascending, pale brown, with several to many leaves. Leaves cauline, usually clustered and overlapping, pale brown, linear to linear-lanceolate, sometimes bractlike, 2-8 × 0.2-0.6 cm, base directly sheathing stem, not stalked, apex acuminate. Inflorescence 2-7 cm, glabrous, with a few to more than 20 densely arranged flowers; floral bracts reddish brown, ovate-lanceolate, 8-12 mm, longer than flower, glabrous, apex long acuminate. Flowers resupinate, white or yellowish white, small; ovary and pedicel elliptic-cylindric, 5-6 mm, glabrous. Sepals glabrous; dorsal sepal narrowly ovate-oblong, concave, 4-6 × 2-3 mm, 1-veined, apex obtuse; lateral sepals obliquely oblong, 4-5.5 × 1.5-2.5 mm, 1-veined, apex acute or obtuse. Petals subovate to obovate, oblique, 4-5.5 × 1.5-1.8 mm, glabrous, 1-veined, apex obtuse; lip pale yellow to yellow, cymbiform, 4-5 mm, 3-partite; hypochile concave-saccate, containing 2 subtriangular, lamellate calli; mesochile ca. 1 mm, exterior surfaces minutely papillate toward apex, margin denticulate, involute; epichile transversely elliptic-oblong, 1.4-1.8 × 2-2.5 mm, minutely papillate, apex with a small mucro to slightly emarginate. Column ca. 1.5 mm; wings longitudinally oblong; rostellum arms ca. 0.6 mm. Capsule pale brown, elliptic, ca. 6 mm. Fl. Mar-Jul. 2n = 20, 22, 40, 42, 50, 100.
Damp grasslands, meadows, valleys, along streams; below 1000 m. Fujian, Guangdong, Guangxi, Hainan, Hubei, Sichuan, Taiwan, Yunnan [Afghanistan, Bhutan, Cambodia, India, Japan, Kashmir, Laos, Malaysia, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; SW Asia, Pacific islands].
This is a weed in Saudi Arabia and the United States (Florida, Hawaii).
（责任编辑：徐晔春）踩一下[2]
顶一下[4]