刀叶石斛Dendrobium terminale
中文名（Chinese Name）：刀叶石斛
学名（Scientific Name）：Dendrobium terminale Par. et Rchb. f.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Aporum verlaquii (Costantin) Rauschert Aporum terminale (E.C.Parish & Rchb.f.) M.A.Clem. Callista terminalis (E.C.Parish & Rchb.f.) Kuntze Dendrobium verlaquii Costantin
科属（Family & Genus）：兰科（Orchidaceae）石斛属
形态特征（Description）：茎近木质，直立，有时上部分枝，扁三棱形，长10-23厘米，连同叶鞘粗约5毫米，基部收狭，具多个节，节间长约1厘米。叶二列，疏松套叠，厚革质或肉质，斜立，两侧压扁呈短剑状或匕首状，长3-4厘米，宽6-10毫米，先端急尖；总状花序顶生或侧生；花序柄很短，常具1-3朵花，基部具数枚膜质鞘；花苞片短小；花梗和子房纤细，长约7毫米；花小，淡黄白色；中萼片卵状长圆形，长3-4毫米，宽1.4毫米，先端近锐尖，具3条脉；侧萼片斜卵状三角形，近蕊柱一侧的边缘长4毫米，先端锐尖，基部很歪斜，具3-4条脉；萼囊狭长，长7毫米；花瓣狭长圆形，长3-4毫米，宽约1毫米，先端近钝，具1条脉；唇瓣贴生于蕊柱足末端，近匙形，长1厘米，宽约7毫米，先端2裂，前端边缘波状皱褶，上面近先端处增厚呈胼胝体或呈小鸡冠状突起；蕊柱长约1毫米；药帽前端边缘截形并且具细齿。花期9-11月。
分布（Distribution）：产云南，生于海拔850-1080米的山地林缘树干上或山谷岩石上。分布于印度、缅甸、泰国、越南、马来西亚。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 369, 397
Dendrobium terminale E. C. Parish & H. G. Reichenbach, Trans. Linn. Soc. London. 30: 149. 1874.
刀叶石斛 dao ye shi hu| Orchidaceae | Dendrobium
Aporum terminale (E. C. Parish & H. G. Reichenbach) M. A. Clements; A. verlaquii (Costantin) Rauschert; Callista terminalis (E. C. Parish & H. G. Reichenbach) Kuntze; Dendrobium verlaquii Costantin.
Stems erect, sometimes upper part branched, compressed trilateral, 10-23 cm, with leaf sheaths ca. 5 mm in diam., base contracted, with many nodes, internodes ca. 1 cm. Leaves distichous, sparsely overlapping, ascending, laterally compressed and dagger-shaped, 3-4 × 0.6-1(or more) cm, thickly leathery or fleshy, apex acute. Inflorescence subterminal; peduncle very short; basal sheaths several, membranous; floral bracts small. Pedicel and ovary ca. 7 mm, slender. Flowers small, pale yellowish white. Dorsal sepal ovate-oblong, 3-4 × ca. 1.4 mm, 3-veined, subacute; lateral sepals obliquely ovate-triangular, ca. 4 mm, 3- or 4-veined, base very oblique, margin close to column, apex acute; mentum narrowly long, ca. 7 mm. Petals oblong, ca. 10 × 15 mm, 1-veined, apex subobtuse; lip adnate to apex of column foot, subspatulate, ca. 10 × 7 mm, adaxially with thickened callus or crestlike protrusion near apex, front margin undulate, apex 2-lobed. Column ca. 1 mm; anther cap truncate and denticulate at apical margin.
Epiphytic on tree trunks at forest margins, lithophytic on rocks in mountain valleys; 800-1100 m. S Yunnan (Mengla) [NE India, Malaysia, Myanmar, Thailand, Vietnam].
（责任编辑：徐晔春）
学名（Scientific Name）：Dendrobium terminale Par. et Rchb. f.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Aporum verlaquii (Costantin) Rauschert Aporum terminale (E.C.Parish & Rchb.f.) M.A.Clem. Callista terminalis (E.C.Parish & Rchb.f.) Kuntze Dendrobium verlaquii Costantin
科属（Family & Genus）：兰科（Orchidaceae）石斛属
形态特征（Description）：茎近木质，直立，有时上部分枝，扁三棱形，长10-23厘米，连同叶鞘粗约5毫米，基部收狭，具多个节，节间长约1厘米。叶二列，疏松套叠，厚革质或肉质，斜立，两侧压扁呈短剑状或匕首状，长3-4厘米，宽6-10毫米，先端急尖；总状花序顶生或侧生；花序柄很短，常具1-3朵花，基部具数枚膜质鞘；花苞片短小；花梗和子房纤细，长约7毫米；花小，淡黄白色；中萼片卵状长圆形，长3-4毫米，宽1.4毫米，先端近锐尖，具3条脉；侧萼片斜卵状三角形，近蕊柱一侧的边缘长4毫米，先端锐尖，基部很歪斜，具3-4条脉；萼囊狭长，长7毫米；花瓣狭长圆形，长3-4毫米，宽约1毫米，先端近钝，具1条脉；唇瓣贴生于蕊柱足末端，近匙形，长1厘米，宽约7毫米，先端2裂，前端边缘波状皱褶，上面近先端处增厚呈胼胝体或呈小鸡冠状突起；蕊柱长约1毫米；药帽前端边缘截形并且具细齿。花期9-11月。
分布（Distribution）：产云南，生于海拔850-1080米的山地林缘树干上或山谷岩石上。分布于印度、缅甸、泰国、越南、马来西亚。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 369, 397
Dendrobium terminale E. C. Parish & H. G. Reichenbach, Trans. Linn. Soc. London. 30: 149. 1874.
刀叶石斛 dao ye shi hu| Orchidaceae | Dendrobium
Aporum terminale (E. C. Parish & H. G. Reichenbach) M. A. Clements; A. verlaquii (Costantin) Rauschert; Callista terminalis (E. C. Parish & H. G. Reichenbach) Kuntze; Dendrobium verlaquii Costantin.
Stems erect, sometimes upper part branched, compressed trilateral, 10-23 cm, with leaf sheaths ca. 5 mm in diam., base contracted, with many nodes, internodes ca. 1 cm. Leaves distichous, sparsely overlapping, ascending, laterally compressed and dagger-shaped, 3-4 × 0.6-1(or more) cm, thickly leathery or fleshy, apex acute. Inflorescence subterminal; peduncle very short; basal sheaths several, membranous; floral bracts small. Pedicel and ovary ca. 7 mm, slender. Flowers small, pale yellowish white. Dorsal sepal ovate-oblong, 3-4 × ca. 1.4 mm, 3-veined, subacute; lateral sepals obliquely ovate-triangular, ca. 4 mm, 3- or 4-veined, base very oblique, margin close to column, apex acute; mentum narrowly long, ca. 7 mm. Petals oblong, ca. 10 × 15 mm, 1-veined, apex subobtuse; lip adnate to apex of column foot, subspatulate, ca. 10 × 7 mm, adaxially with thickened callus or crestlike protrusion near apex, front margin undulate, apex 2-lobed. Column ca. 1 mm; anther cap truncate and denticulate at apical margin.
Epiphytic on tree trunks at forest margins, lithophytic on rocks in mountain valleys; 800-1100 m. S Yunnan (Mengla) [NE India, Malaysia, Myanmar, Thailand, Vietnam].
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