重唇石斛Dendrobium hercoglossum
中文名（Chinese Name）：重唇石斛
学名（Scientific Name）：Dendrobium hercoglossum Rchb. f.
英文名（English Common Name）：
别名（Chinese Common Name）：网脉唇石斛
异名（Synonym）：Dendrobium wangii C. L. Tso Dendrobium hercoglossum var. album S. J. Cheng et C. Z. Tang Callista hercoglossa (Rchb.f.) Kuntze Callista vexans (Dammer) Kraenzl. Dendrobium poilanei Guillaumin Dendrobium vexans Dammer Goldschmidtia gracilis Dammer Callista annamensis Kraenzl.
科属（Family & Genus）：兰科（Orchidaceae）石斛属
形态特征（Description）：茎下垂，圆柱形或有时从基部上方逐渐变粗，通常长8-40厘米，粗2-5毫米，具少数至多数节，节间长1.5-2厘米，干后淡黄色。叶薄革质，狭长圆形或长圆状披针形，长4-10厘米，宽4-8 (-14) 毫米，先端钝并且不等侧2圆裂，基部具紧抱于茎的鞘。总状花序通常数个，从落了叶的老茎上发出，常具2-3朵花；花序轴瘦弱，长1.5-2厘米，有时稍回折状弯曲；花序柄绿色，长6-10毫米，基部被3-4枚短筒状鞘；花苞片小，干膜质，卵状披针形，长3-5毫米，先端急尖；花梗和子房淡粉红色，长12-15毫米；花开展，萼片和花瓣淡粉红色；中萼片卵状长圆形，长1.3-1.8厘米，宽5-8毫米，先端急尖，具7条脉；侧萼片稍斜卵状披针形，与中萼片等大，先端渐尖，具7条脉，萼囊很短；花瓣倒卵状长圆形，长1.2-1.5厘米，宽4.5-7毫米，先端锐尖，具3条脉；唇瓣白色，直立，长约1厘米，分前后唇；后唇半球形，前端密生短流苏，内面密生短毛；前唇淡粉红色，较小，三角形，先端急尖，无毛；蕊柱白色，长约4毫米，下部扩大，具长约2毫米的蕊柱足；蕊柱齿三角形，先端稍钝；药帽紫色，半球形，密布细乳突，前端边缘啮蚀状。花期5-6月。
分布（Distribution）：产安徽、江西、湖南、广东、海南、广西、贵州、云南等地。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 370, 389
Dendrobium hercoglossum H. G. Reichenbach, Gard. Chron., n.s.,. 25: 487. 1886.
重唇石斛 chong chun shi hu| Orchidaceae | Dendrobium
Callista annamensis Kraenzlin; C. hercoglossa (H. G. Reichenbach) Kuntze; C. vexans (Dammer) Kraenzlin; Dendrobium hercoglossum var. album S. J. Cheng & C. Z. Tang; D. poilanei Guillaumin; D. vexans Dammer; D. wangii C. L. Tso.
Stems pendulous, pale yellow when dry, cylindric or sometimes thickened from base to upper part, usually 8-40 cm, 2-5 mm in diam., with few to many nodes, internodes 1.5-2 cm. Leaves narrowly oblong or oblong-lanceolate, 4-10 × 0.4-0.8(-1.4) cm, leathery, with tightly clasping sheaths at base, apex obtuse and unequally bilobed. Inflorescences often several, arising from old leafless stems, 2- or 3-flowered; peduncle green, 6-10 mm; rachis sometimes slightly upcurved, 1.5-2 cm, thin and weak, base with 3 or 4 short tubular sheaths; floral bracts ovate-lanceolate, small, 3-5 mm, dry membranous, apex acute. Pedicel and ovary pale pinkish red, 1.2-1.5 cm. Flowers spreading; sepals and petals pale pink, lip white, epichile pale pink, column white, anther cap purple. Dorsal sepal ovate-oblong, 13-18 × 5-8(or more) mm, 7-veined, apex acute; lateral sepals slightly obliquely ovate-lanceolate, ca. as large as dorsal sepal, 7-veined, apex acuminate; mentum very short. Petals obovate-oblong, 12-15 × 4.5-7(or more) mm, 3-veined, apex acute; lip erect, ca. 1 cm, with epichile and hypochile; hypochile subglobose, inner surface densely barbellate, apex densely shortly fimbriate; epichile deltoid, relatively small, glabrous, apex acute. Column ca. 4 mm, lower part enlarged, foot ca. 2 mm, column teeth deltoid, apex slightly obtuse; anther cap subspherical, densely finely papillate, front margin erose.
Epiphytic on tree trunks in dense mountain forests, lithophytic on damp rocks in valleys; 600-1300 m. SW Anhui (Huo Shan), SW Guangdong (Xinyi), Guangxi, SW Guizhou, Hainan, Hunan (Jianghua), S Jiangxi, SE Yunnan [Laos, Malaysia, Thailand, Vietnam].
（责任编辑：徐晔春）
学名（Scientific Name）：Dendrobium hercoglossum Rchb. f.
英文名（English Common Name）：
别名（Chinese Common Name）：网脉唇石斛
异名（Synonym）：Dendrobium wangii C. L. Tso Dendrobium hercoglossum var. album S. J. Cheng et C. Z. Tang Callista hercoglossa (Rchb.f.) Kuntze Callista vexans (Dammer) Kraenzl. Dendrobium poilanei Guillaumin Dendrobium vexans Dammer Goldschmidtia gracilis Dammer Callista annamensis Kraenzl.
科属（Family & Genus）：兰科（Orchidaceae）石斛属
形态特征（Description）：茎下垂，圆柱形或有时从基部上方逐渐变粗，通常长8-40厘米，粗2-5毫米，具少数至多数节，节间长1.5-2厘米，干后淡黄色。叶薄革质，狭长圆形或长圆状披针形，长4-10厘米，宽4-8 (-14) 毫米，先端钝并且不等侧2圆裂，基部具紧抱于茎的鞘。总状花序通常数个，从落了叶的老茎上发出，常具2-3朵花；花序轴瘦弱，长1.5-2厘米，有时稍回折状弯曲；花序柄绿色，长6-10毫米，基部被3-4枚短筒状鞘；花苞片小，干膜质，卵状披针形，长3-5毫米，先端急尖；花梗和子房淡粉红色，长12-15毫米；花开展，萼片和花瓣淡粉红色；中萼片卵状长圆形，长1.3-1.8厘米，宽5-8毫米，先端急尖，具7条脉；侧萼片稍斜卵状披针形，与中萼片等大，先端渐尖，具7条脉，萼囊很短；花瓣倒卵状长圆形，长1.2-1.5厘米，宽4.5-7毫米，先端锐尖，具3条脉；唇瓣白色，直立，长约1厘米，分前后唇；后唇半球形，前端密生短流苏，内面密生短毛；前唇淡粉红色，较小，三角形，先端急尖，无毛；蕊柱白色，长约4毫米，下部扩大，具长约2毫米的蕊柱足；蕊柱齿三角形，先端稍钝；药帽紫色，半球形，密布细乳突，前端边缘啮蚀状。花期5-6月。
分布（Distribution）：产安徽、江西、湖南、广东、海南、广西、贵州、云南等地。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 370, 389
Dendrobium hercoglossum H. G. Reichenbach, Gard. Chron., n.s.,. 25: 487. 1886.
重唇石斛 chong chun shi hu| Orchidaceae | Dendrobium
Callista annamensis Kraenzlin; C. hercoglossa (H. G. Reichenbach) Kuntze; C. vexans (Dammer) Kraenzlin; Dendrobium hercoglossum var. album S. J. Cheng & C. Z. Tang; D. poilanei Guillaumin; D. vexans Dammer; D. wangii C. L. Tso.
Stems pendulous, pale yellow when dry, cylindric or sometimes thickened from base to upper part, usually 8-40 cm, 2-5 mm in diam., with few to many nodes, internodes 1.5-2 cm. Leaves narrowly oblong or oblong-lanceolate, 4-10 × 0.4-0.8(-1.4) cm, leathery, with tightly clasping sheaths at base, apex obtuse and unequally bilobed. Inflorescences often several, arising from old leafless stems, 2- or 3-flowered; peduncle green, 6-10 mm; rachis sometimes slightly upcurved, 1.5-2 cm, thin and weak, base with 3 or 4 short tubular sheaths; floral bracts ovate-lanceolate, small, 3-5 mm, dry membranous, apex acute. Pedicel and ovary pale pinkish red, 1.2-1.5 cm. Flowers spreading; sepals and petals pale pink, lip white, epichile pale pink, column white, anther cap purple. Dorsal sepal ovate-oblong, 13-18 × 5-8(or more) mm, 7-veined, apex acute; lateral sepals slightly obliquely ovate-lanceolate, ca. as large as dorsal sepal, 7-veined, apex acuminate; mentum very short. Petals obovate-oblong, 12-15 × 4.5-7(or more) mm, 3-veined, apex acute; lip erect, ca. 1 cm, with epichile and hypochile; hypochile subglobose, inner surface densely barbellate, apex densely shortly fimbriate; epichile deltoid, relatively small, glabrous, apex acute. Column ca. 4 mm, lower part enlarged, foot ca. 2 mm, column teeth deltoid, apex slightly obtuse; anther cap subspherical, densely finely papillate, front margin erose.
Epiphytic on tree trunks in dense mountain forests, lithophytic on damp rocks in valleys; 600-1300 m. SW Anhui (Huo Shan), SW Guangdong (Xinyi), Guangxi, SW Guizhou, Hainan, Hunan (Jianghua), S Jiangxi, SE Yunnan [Laos, Malaysia, Thailand, Vietnam].
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