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高山石斛Dendrobium infundibulum Lindl

高山石斛Dendrobium infundibulum Lindl

别名:

科名:兰科 Orchidaceae

属名:石斛属 Dendrobium

《中国植物志》第19卷131页
  58. 高山石斛(植物分类学报)
  Dendrobium infundibulum Lindl. in J. Linn. Soc. Bot. 3: 16. 1859; Batemann in Gard. Chron.: 1194. 1862; Hook in Bot. Mag. 90: 5446. 1864; Hook. f., Fl. Brit. Ind. 5: 721. 1890; Kraenzl. in Engler, Pflanzenr. 45 (IV. 50, II. B. 21): 94. 1910; Seidenf. in Opera Bot. 83: 117, fig. 72. 1985, et l. c. 114: 215. 1992; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 291. 1995; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 78, pl. 93. 1997; 中国兰花全书: 166. 图6-12 (8). 1998.
  茎质地坚硬,圆柱形,上下等粗,长12-60厘米,粗4-7毫米,不分枝,具多个节,节间长3-5厘米,具纵条棱。叶数至10余枚,二列互生于中部以上的茎上,革质,长圆形,长5-8厘米,宽1.2-2.3厘米,先端钝并且稍不等侧2裂,基部下延为抱茎的鞘,幼时在下面被黑色硬毛,叶鞘亦密被黑色硬毛。总状花序出自具叶的茎顶端,具1-2朵花;花序柄短,长约5毫米,基部被3-4枚、宽卵形、长5-10毫米的鞘;花苞卵状三角形,长7-13毫米,宽6-7毫米,先端锐尖,下面密被黑色硬毛;花梗和子房长3-4厘米;花除唇盘基部橘红色外,均为白色,开展;中萼片长圆形,长2.5-3厘米,宽7-10毫米,先端急尖,具5-6条脉;侧萼片斜披针形,上侧边缘与中萼片等长,下侧边缘长4-5厘米,宽8-11毫米,先端急尖,具7-8条脉;萼囊狭长,劲直,呈角状,长约2.5厘米;花瓣倒卵形,长2.5-3.7厘米,宽1.2-2.2厘米,先端圆钝并且具短尖,具7-8条脉;唇瓣长3.5厘米,3裂;侧裂片倒卵形,围抱蕊柱,前端边缘稍波状;中裂片近圆形,比两侧裂片先端之间的宽小得多,宽1.1-1.5厘米,先端2裂,边缘具不整齐的锯齿;唇盘从唇瓣基部至中裂片基部具4-5条并行的小龙骨脊;蕊柱长约6毫米,具长约2毫米的三角形的蕊柱齿;药帽近半球形,前端边缘具细齿,顶端稍凹的。花期8-11月。
  产云南南部(勐腊、景洪)。生于海拔约2000米的密林中树干上。分布于印度东北部、缅甸、泰国、老挝。模式标本采自缅甸。
形态特征:茎质地坚硬,圆柱形,上下等粗,长12—60厘米,粗4—7毫米,不分枝,具多个 节,节间长3—5厘米,具纵条棱。叶数至10余枚,二列互生于中部以上的茎上,革 质,长圆形,长5—8厘米,宽1.2—2.3厘米,先端钝并且稍不等侧2裂,基部下延为 抱茎的鞘,幼时在下面被黑色硬毛,叶·鞘亦密被黑色硬毛。总状花序出自具叶的茎顶 端,具1—2朵花;花序柄短,长约5毫米,基部被3—4枚、宽卵形、长5—10毫米的 鞘;花苞卵状三角形,长7—13毫米,宽6—7毫米,先端锐尖,下面密被黑色硬毛; 花梗和子房长3—4厘米;花除唇盘基部橘红色外,均为白色,开展;中萼片长圆形, 长2.5—3厘米,宽7—10毫米,先端急尖,具5—6条脉;侧萼片斜披针形,上侧边缘 与中萼片等长,下侧边缘氏4—5厘米,宽8—11毫米,先端急尖,具7—8条脉;萼囊 狭长,劲直,呈角状,长约2.5厘米;花瓣倒卵形,长2.5—3.7厘米,宽1.2—2.2厘 米,先端圆钝并且具短尖,具7—8条脉;唇瓣长3.5厘米,3裂;侧裂片倒卵形,围 抱蕊柱,前端边缘稍波状;中裂片近圆形,比两侧裂片先端之间的宽小得多,宽1.1— 1.5厘米,先端2裂,边缘具不整齐的锯齿;唇盘从唇瓣基部至中裂片基部具4—5条 并行的小龙骨脊;蕊柱长约6毫米,具长约2毫米的三角形的蕊柱齿;药帽近半球形, 前端边缘具细齿,顶端稍凹的。 花期8—11月。
产地分布:产云南南部(勐腊、景洪)。生于海拔约2000米的密林中树干上。分布于印度东北 部、缅甸、泰国、老挝。模式标本采自缅甸。
参考文献:Dendrobium infundibulum Lindl.In J.Linn.Soc.Bot.3:16.1859;Batemann in Gard.Chron.:1194.1862;Hook in Bot.Mag.90:5446.1864;Hook.F,F1. Brit.Ind.5:721.1890;Kraenzl.In Engler,Pflanzenr.45(IV.50,II.B.21): 94.1910;Seidenf.In Opera Bot.83:117,fig.72,1985,et l.C.114:215,1992; Z.H.Tsi et S.C.Chen in Acta Phytotax.Sin.33(3):291. 1995;Z.H.Tsi,S. C.Chen et K.Mori,Wild Orch.China:78,pl.93.1997;中国兰花全书:166.图 6——12(8).1998.

《Flora of China》 Vol. 25 (2009)
Dendrobium wattii  (J. D. Hooker) H. G. Reichenbach Gard. Chron., ser. 3,. 4: 725. 1888.
高山石斛   gao shan shi hu
Dendrobium cariniferum H. G. Reichenbach var. wattii J. D. Hooker, Bot. Mag. 109: ad t. 6715. 1883; Callista wattii (J. D. Hooker) Kuntze.
Stems sometimes curved, cylindric, equally thick above and below, 12-60 cm, 4-9 mm in diam., rigid, unbranched, with many nodes, internodes 3-5 cm, with longitudinal ribs. Leaves several to 10, along middle and upper part of stem, oblong, 5-9 × 1-2 cm, leathery, abaxially black hirsute when young, base decurrent forming clasping sheaths, apex obtuse and slightly unequally 2-lobed; leaf sheath densely black hirsute. Inflorescence apical on leafy stem, 1- or 2-flowered; peduncle ca. 5 mm; basal sheaths 3 or 4, broadly ovate, 5-10 mm; floral bracts triangular, 7-13 × 6-7(or more) mm, abaxially with dense black rigid hairs, apex acute. Pedicel and ovary 3-4 cm. Flowers spreading, usually less than 3 cm in diam., white, lip with yellow veins on lateral lobes, disk with a yellow patch. Dorsal sepal oblong, ca. 24 × 7-10(or more) mm, 5- or 6-veined, apex acute; lateral sepals obliquely lanceolate, upper margin ca. as long as dorsal sepal, lower margin 40-50 × 8-11(or more) mm, 7- or 8-veined, apex acute; mentum long and narrow, straight, ca. 25 mm, forming spur. Petals oblanceolate, ca. 40 × 32 mm, 7- or 8-veined, bluntly rounded and mucronate; lip ca. 35 mm, less than 30 mm wide across lateral lobes when flattened; lateral lobes obovate, embracing column, front margin slightly undulate; mid-lobe orbicular, 11-15 mm wide, margin irregularly serrate, truncate, usually minutely mucronate, with only an indistinct sinus; disk with a broad median callus splitting into 4 or 5 parallel small keeled ridges extending from base of lip to base of mid-lobe. Column ca. 6 mm; teeth triangular, ca. 2 mm; anther cap subspherical, front margin denticulate, apex slightly concave.
Epiphytic on tree trunks in dense forests; ca. 2000 m. S Yunnan (Jinghong, Mengla) [NE India, Myanmar, N Thailand, Vietnam].
This species has been misidentified as Dendrobium infundibulum Lindley (e.g., in FRPS 19: 131. 1999), which was originally described from Myanmar (Moulmein).This species has been misidentified as Dendrobium infundibulum Lindley (e.g., in FRPS 19: 131. 1999), which was originally described from Myanmar (Moulmein).

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