栏目

鼓槌石斛Dendrobium chrysotoxum Lindl.

鼓槌石斛Dendrobium chrysotoxum Lindl.

别名:束花石斛;粗黄草;晶帽石斛;鼓锤石斛;鼓槌石槲;金弓石斛;喜锤石斛;

科名:兰科 Orchidaceae

属名:石斛属 Dendrobium

《中国植物志》第19卷080页
  8. 鼓槌石斛(中国高等植物图鉴)金弓石斛(云南种子植物名录)图版10: 2
  Dendrobium chrysotoxum Lindl. in Bot. Reg. 33: sub t. 19, 36. 1847; Hook. in Bot. Mag. 84: t. 5053. 1858; Hook. f., Fl. Brit. Ind. 5: 750. 1890; Kraenzl. in Engler, Pflanzenr. 45 (IV. 50, II. B. 21): 67. 1910; S. Y. Hu in Quard. J. Taiwan Mus. 26 (1, 2): 153. 1973; 中国高等植物图鉴 5: 701. 图8232. 1976; Z.H. Tsi in Acta Phytotax. Sin. 18 (4): 438. 1980; Seidenf. in Opera Bot. 83: 19, fig. 6. 1985; Averyanov, Vasc. Pl. Syn. Vietnam. Fl. 1: 68. 1990, et Iden. Guide Vietnam. Orch.: 207. 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: 70, pl. 79. 1997; 中国兰花全书: 160. 图6-11 (9). 1998. ——D. suavissimum Rchb.f. in Gard. Chron. n. s., 1: 406. 1874. ——D. chysotoxum Lindl. var. suavissimum (Rchb. f.) Hook. f. ex Veitch, Man. Orch. Pl. Dendrob. 29. 1888.
  茎直立,肉质,纺锤形,长6-30厘米,中部粗1.5-5厘米,具2-5节间,具多数圆钝的条棱,干后金黄色,近顶端具2-5枚叶。叶革质,长圆形,长达19厘米,宽2-3.5厘米或更宽,先端急尖而钩转,基部收狭,但不下延为抱茎的鞘。总状花序近茎顶端发出,斜出或稍下垂,长达20厘米;花序轴粗壮,疏生多数花;花序柄基部具4-5枚鞘;花苞片小,膜质,卵状披针形,长2-3毫米,先端急尖;花梗和子房黄色,长达5厘米;花质地厚,金黄色,稍带香气;中萼片长圆形,长1.2-2厘米,中部宽5-9毫米,先端稍钝,具7条脉;侧萼片与中萼片近等大;萼囊近球形,宽约4毫米;花瓣倒卵形,等长于中萼片,宽约为萼片的2倍,先端近圆形,具约10条脉;唇瓣的颜色比萼片和花瓣深,近肾状圆形,长约2厘米,宽2.3厘米,先端浅2裂,基部两侧多少具红色条纹,边缘波状,上面密被短绒毛;唇盘通常呈“∧”隆起,有时具“U”形的栗色斑块;蕊柱长约5毫米;药帽淡黄色,尖塔状。花期3-5月。
  产云南南部至西部(石屏、景谷、思茅、勐腊、景洪、耿马、镇康、沧源)。生于海拔520-1620米,阳光充足的常绿阔叶林中树干上或疏林下岩石上。分布于印度东北部、缅甸、泰国、老挝、越南。模式标本采自印度东北部。
形态特征:茎直立,肉质,纺锤形,长6—30厘米,中部粗1.5—5厘米,具2—5节间,具多数圆钝的条棱,干后金黄色,近顶端具2—5枚叶。叶革质,长圆形,长达19厘米,宽2—3.5厘米或更宽,先端急尖而钩转,基部收狭,但不下延为抱茎的鞘。总状花序近茎顶端发出,斜出或稍下垂,长达20厘米;花序轴粗壮,疏生多数花;花序柄基部具4—5枚鞘;花苞片小,膜质,卵状披针形,长2—3毫米,先端急尖;花梗和子房黄色,长达5厘米;花质地厚,金黄色,稍带香气;中萼片长圆形,长1.2--2厘米,中部宽5—9毫米,先端稍钝,具7条脉;侧萼片与中萼片近等大;萼囊近球形,宽约4毫米;花瓣倒卵形,等长于中萼片,宽约为萼片的2倍,先端近圆形,具约10条脉;唇瓣的颜色比萼片和花瓣深,近肾状圆形,长约2厘米,宽2.3厘米,先端浅2裂,基部两侧多少具红色条纹,边缘波状,上面密被短绒毛;唇盘通常呈“八”隆起,有时具"U"形的栗色斑块;蕊柱长约5毫米;药帽淡黄色,尖塔状。花期3—5月。
产地分布:产云南南部至西部(石屏、景谷、思茅、勐腊、景洪、耿马、镇康、沧源)。生于海拔520—1620米,阳光充足的常绿阔叶林中树干上或疏林下岩石上。分布于印度东北部、缅甸、泰国、老挝、越南。模式标本采自印度东北部。
参考文献:Dendrobium chrysotoxum Lindl.In Pot.Reg.33:sub t.19,36.1847;Hook. In Bot.Mag.84:t.5053.1858;Hook.F.F1.Brit.Ind.5:750.1890; Kraenzl.In Engler,Pflanzenr.45(Ⅳ.50,Ⅱ.B.21):67.1910;S,Y.Hu in Quard.J.Taiwan Mus.26(1,2):153.1973;中国高等植物图鉴5:701.图8232..1976;Z. H.Tsi in Acta Phytotax.Sin.18(4):438.1980;Seidenf.In Opera Pot.83:19, fig.6.1985;Averyanov,Vasc.P1.Syn.Vietnam.F1.1:68. 1990,et Iden. Guide Vietnam.Orch.:207.1992: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:70, p1.79.1997;中国兰花全书:160.图6—11(9).1998.----D.Suavissimum Rchb. F.In Gard.Chron.N.S,1:406.1874.——D.Chrysotoxum Lindl.Var.Suavissi— mum(Rchb.F.)Hook.F.Ex Veitch,Man.Orch.Pl,Den&ob.29.1888.

《Flora of China》 Vol. 25 (2009)
Dendrobium chrysotoxum  Lindley Edwards’s Bot. Reg. 33: ad t. 19. 1847.
鼓槌石斛   gu chui shi hu
Callista chrysotoxa (Lindley) Kuntze; Dendrobium chrysotoxum var. delacourii Gagnepain.
Stem pseudobulbous, erect, fusiform, 6-30 cm, 1.5-5 cm in diam. at middle, with 2-5 internodes, with many bluntly rounded ridges, golden yellow when dry. Leaves 2-5, subterminal, oblong, to 19 × 2-3.5 cm or wider, leathery, base contracted, not decurrent into clasping sheaths, apex acute and hooked. Inflorescence subterminal, ascending or slightly pendulous, to 20 cm, laxly many flowered; peduncle and rachis stout, basal sheaths 4 or 5; floral bracts ovate-lanceolate, 2-3 mm, membranous, apex acute. Pedicel and ovary to 5 cm. Flowers slightly fragrant, thickly textured, golden yellow, lip deeper golden yellow with red stripes on each side at base, anther cap pale yellow. Dorsal sepal oblong, 12-20 mm, 5-9 mm wide at middle, 7-veined, slightly obtuse; lateral sepals nearly equal to dorsal sepal; mentum subglobose, ca. 4 mm wide. Petals oblanceolate, ca. as long as dorsal sepal, ca. 2 × as wide as sepals, ca. 10-veined, margin minutely dentate, apex rounded; lip nearly reniform-orbicular, ca. 20 × 23 mm, adaxially densely pubescent, margin undulate, apex shallowly bilobed; disk often V-shaped, raised, sometimes with U-shaped chestnut spots. Column ca. 5 mm; anther cap tower-shaped.
Epiphytic on tree trunks in sunny evergreen broad-leaved forests, lithophytic on rocks in open forests; 500-1600 m. S and W Yunnan [NE India, Laos, Myanmar, Thailand, Vietnam].

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