球花石斛 Dendrobium thyrsiflorum
中文名（Chinese Name）：球花石斛
学名（Scientific Name）：Dendrobium thyrsiflorum Rchb. f.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Callista thyrsiflora (Rchb.f. ex André) M.A.Clem. Dendrobium galliceanum Linden Dendrobium densiflorum var. alboluteum Hook.f. Dendrobium thyrsiflorum var. bronckartii Cogn.
科属（Family & Genus）：兰科（Orchidaceae）石斛属
形态特征（Description）：茎直立或斜立，圆柱形，粗状，长12-46厘米，粗7-16毫米，基部收狭为细圆柱形，不分枝，具数节，黄褐色并且具光泽，有数条纵棱。叶3-4枚互生于茎的上端，革质，长圆形或长圆状披针形，长9-16厘米，宽2.4-5厘米，先端急尖，基部不下延为抱茎的鞘，但收狭为长约6毫米的柄。总状花序侧生于带有叶的老茎上端，下垂，长10-16厘米，密生许多花，花序柄基部被3-4枚纸质鞘；花苞片浅白色，纸质，倒卵形，长10-15毫米，宽5-13毫米，先端圆钝，具数条脉，干后不席卷；花梗和子房浅白色带紫色条纹，长2.5-3厘米；花开展，质地薄，萼片和花瓣白色；中萼片卵形，长约1.5厘米，宽8毫米，先端钝，全缘，具5条脉；侧萼片稍斜卵状披针形，长1.7厘米，宽7毫米，先端钝，全缘，具5条脉；萼囊近球形，宽约4毫米；花瓣近圆形，长14毫米，宽12毫米，先端圆钝，基部具长约2毫米的爪，具7条脉和许多支脉，基部以上边缘具不整齐的细齿；唇瓣金黄色，半圆状三角形，长15毫米，宽19毫米，先端圆钝，基部具长约3毫米的爪，上面密布短绒毛，背面疏被短绒毛；爪的前方具1枚倒向的舌状物；蕊柱白色，长4毫米；蕊柱足淡黄色，长4毫米；药帽白色，前后压扁的圆锥形。花期4-5月。
分布（Distribution）：产云南。生于海拔1100～1800的山地林中树干上。东南亚也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 368, 376
Dendrobium thyrsiflorum H. G. Reichenbach ex André, Ill. Hort. 22: 88. 1875.
球花石斛 qiu hua shi hu| Orchidaceae | Dendrobium
Callista thyrsiflora (H. G. Reichenbach ex André) M. A. Clements; Dendrobium densiflorum Wallich var. alboluteum J. D. Hooker; D. galliceanum Linden.
Stems erect or ascending, cylindric, 12-46 cm, stout, 7-16 mm in diam., base contracted and narrowly cylindric, with several nodes, with several longitudinal ridges, yellowish brown and glossy. Leaves 3 or 4 on upper part of stem, alternate, oblanceolate, 9-16 × 2.4-5 cm, leathery, base not decurrent into clasping sheaths, but narrowed into a stalk ca. 6 mm, apex acute. Inflorescence arising laterally on previous year’s leafy stem, pendulous, 10-16 cm, densely many flowered; peduncle with 3 or 4 papery basal sheaths; floral bracts pale white, obovate, 10-15 × 5-13(or more) mm, papery, with several veins, not convolute when dry, apex bluntly rounded. Pedicel and ovary with pale white stripes tinged with purple, 2.5-3 cm. Flowers spreading, thin; sepals and petals white, sometimes flushed pink especially abaxially, lip golden yellow, column white, foot pale yellow, anther cap white. Dorsal sepal ovate, ca. 15 × 8 mm, 5-veined, entire, obtuse; lateral sepals slightly obliquely ovate-lanceolate, ca. 17 × 7 mm, 5-veined, entire, obtuse; mentum subglobose, ca. 4 mm wide. Petals suborbicular, ca. 14 × 12 mm, 7-veined with many secondary veins, base with claw ca. 2 mm, margin irregularly finely toothed above base, apex bluntly rounded; lip suborbicular to triangular, ca. 15 × 19 mm, abaxially sparsely pubescent, adaxially densely pubescent, bluntly rounded, base with claw ca. 3 mm; claw ornamented with a ligulate structure; column foot ca. 4 mm; anther cap compressed, conic.
Epiphytic on tree trunks in mountain forests; 1100-1800 m. SE Yunnan [NE India, Laos, Myanmar, N Thailand, Vietnam].
（责任编辑：徐晔春）
学名（Scientific Name）：Dendrobium thyrsiflorum Rchb. f.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Callista thyrsiflora (Rchb.f. ex André) M.A.Clem. Dendrobium galliceanum Linden Dendrobium densiflorum var. alboluteum Hook.f. Dendrobium thyrsiflorum var. bronckartii Cogn.
科属（Family & Genus）：兰科（Orchidaceae）石斛属
形态特征（Description）：茎直立或斜立，圆柱形，粗状，长12-46厘米，粗7-16毫米，基部收狭为细圆柱形，不分枝，具数节，黄褐色并且具光泽，有数条纵棱。叶3-4枚互生于茎的上端，革质，长圆形或长圆状披针形，长9-16厘米，宽2.4-5厘米，先端急尖，基部不下延为抱茎的鞘，但收狭为长约6毫米的柄。总状花序侧生于带有叶的老茎上端，下垂，长10-16厘米，密生许多花，花序柄基部被3-4枚纸质鞘；花苞片浅白色，纸质，倒卵形，长10-15毫米，宽5-13毫米，先端圆钝，具数条脉，干后不席卷；花梗和子房浅白色带紫色条纹，长2.5-3厘米；花开展，质地薄，萼片和花瓣白色；中萼片卵形，长约1.5厘米，宽8毫米，先端钝，全缘，具5条脉；侧萼片稍斜卵状披针形，长1.7厘米，宽7毫米，先端钝，全缘，具5条脉；萼囊近球形，宽约4毫米；花瓣近圆形，长14毫米，宽12毫米，先端圆钝，基部具长约2毫米的爪，具7条脉和许多支脉，基部以上边缘具不整齐的细齿；唇瓣金黄色，半圆状三角形，长15毫米，宽19毫米，先端圆钝，基部具长约3毫米的爪，上面密布短绒毛，背面疏被短绒毛；爪的前方具1枚倒向的舌状物；蕊柱白色，长4毫米；蕊柱足淡黄色，长4毫米；药帽白色，前后压扁的圆锥形。花期4-5月。
分布（Distribution）：产云南。生于海拔1100～1800的山地林中树干上。东南亚也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 25 Page 368, 376
Dendrobium thyrsiflorum H. G. Reichenbach ex André, Ill. Hort. 22: 88. 1875.
球花石斛 qiu hua shi hu| Orchidaceae | Dendrobium
Callista thyrsiflora (H. G. Reichenbach ex André) M. A. Clements; Dendrobium densiflorum Wallich var. alboluteum J. D. Hooker; D. galliceanum Linden.
Stems erect or ascending, cylindric, 12-46 cm, stout, 7-16 mm in diam., base contracted and narrowly cylindric, with several nodes, with several longitudinal ridges, yellowish brown and glossy. Leaves 3 or 4 on upper part of stem, alternate, oblanceolate, 9-16 × 2.4-5 cm, leathery, base not decurrent into clasping sheaths, but narrowed into a stalk ca. 6 mm, apex acute. Inflorescence arising laterally on previous year’s leafy stem, pendulous, 10-16 cm, densely many flowered; peduncle with 3 or 4 papery basal sheaths; floral bracts pale white, obovate, 10-15 × 5-13(or more) mm, papery, with several veins, not convolute when dry, apex bluntly rounded. Pedicel and ovary with pale white stripes tinged with purple, 2.5-3 cm. Flowers spreading, thin; sepals and petals white, sometimes flushed pink especially abaxially, lip golden yellow, column white, foot pale yellow, anther cap white. Dorsal sepal ovate, ca. 15 × 8 mm, 5-veined, entire, obtuse; lateral sepals slightly obliquely ovate-lanceolate, ca. 17 × 7 mm, 5-veined, entire, obtuse; mentum subglobose, ca. 4 mm wide. Petals suborbicular, ca. 14 × 12 mm, 7-veined with many secondary veins, base with claw ca. 2 mm, margin irregularly finely toothed above base, apex bluntly rounded; lip suborbicular to triangular, ca. 15 × 19 mm, abaxially sparsely pubescent, adaxially densely pubescent, bluntly rounded, base with claw ca. 3 mm; claw ornamented with a ligulate structure; column foot ca. 4 mm; anther cap compressed, conic.
Epiphytic on tree trunks in mountain forests; 1100-1800 m. SE Yunnan [NE India, Laos, Myanmar, N Thailand, Vietnam].
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