栏目

喜马拉雅香茅Cymbopogon stracheyi (Hook. f.) Raiz. et Jain

喜马拉雅香茅Cymbopogon stracheyi (Hook. f.) Raiz. et Jain

别名:杂种香茅;

科名:禾本科 Gramineae

属名:香茅属 Cymbopogon

《中国植物志》第10(2)卷208页
  18. 喜马拉雅香茅(西藏植物志)图版48:5-6
  Cymbopogon stracheyi (Hook. f.) Raiz. et Jain in Ind. For. 80: 44. 1954; Bor in Journ. Bomb. Nat. Hist. Soc. 52: 160. 1954, et in Rech. f. Fl. Iran. 70: 545. 1970; S. Soen. in Reinwardtia 9: 314. 1977 西藏植物志5: 333. 1987. ——Andropogon nardus var. stracheyi Hook. f. Fl. Brit. Ind. 7: 207. 1897.
  多年生丛生草本;须根较粗长。秆直立或稍膝曲上升,平滑,高60-100厘米。叶鞘无毛;叶舌长约1.5毫米;叶片长15-30厘米,宽2-3毫米,对折或内卷,无毛,边缘与下面脉上粗糙。伪圆锥花序长15-25厘米,具5-7节,褐色;总梗可长达1厘米;佛焰苞长2-3厘米;总状花序轴节间与小穗柄棒状,边缘生有柔毛。无柄小穗长4.5-5毫米;第一颖纸质,宽约0.8毫米,背部凹或扁平,脊间无脉,边缘几无翼,微粗糙,顶端2齿或不明显;第二外稃深2裂,裂片较宽,边缘具纤毛;芒扭曲。长约13毫米。有柄小穗窄卵状披针形,与其无柄小穗近等长,宽约1毫米;第一颖微粗糙,具7-9脉。染色体2n=20,40(Gupta,1969;Mehra et Sharma,1972)。花果期7-12月。
  产于四川、云南、西藏(察隅);生于干旱河谷冲积沙地,山坡草地及疏林灌丛间,海拔1600-3000米。喜马拉雅西北部、印度西部、克什米尔地区、巴基斯坦、尼泊尔有分布。
  本种为喜马拉雅山地种,与非洲产的C. plurinodis. Stapf ex Burtt-Davy 相似,但以基部叶鞘不具柔毛而有别。与芸香草C. distans(Nees)W. Wats.的区别为小穗较短,长约4.5毫米,第一颖脊间无脉,芒较短,长约13毫米。

《Flora of China》 Vol. 22 (2006)
Cymbopogon pospischilii  (K. Schumann) C. E. Hubbard
喜马拉雅香茅   xi ma la ya xiang mao
Andropogon pospischilii K. Schumann, Bot. Jahrb. Syst. 24: 328. 1897; A. nardus var. stracheyi J. D. Hooker; Cymbo-pogon stracheyi (J. D. Hooker) Raizada & S. K. Jain.
Perennial. Culms densely tufted, wiry, erect or geniculate, 60–100 cm tall. Leaf sheaths glabrous; leaf blades narrow, folded or involute, glaucous, 15–30 × 0.2–0.3 cm, glabrous, scabrid, apex filiform; ligule ca. 1–2 mm. Spathate panicle open, 15–25 cm, raceme pairs few; spatheoles 2–3 cm; racemes 1.5–2 cm; rachis internodes and pedicels ciliate on margins, glabrous on back; pedicel of homogamous pair not swollen, oblong, free from adjacent internode. Sessile spikelet narrowly lanceolate-oblong, 4.5–6 mm; lower glume papery, concave or almost flat below middle, keels rounded below middle, sharp and scabrid above, wingless or almost so, 3–5-veined between keels above middle; upper lemma 2-lobed; awn 1.4–1.8 cm. Pedicelled spikelet 4.5–6 mm. Fl. and fr. Jul–Dec. 2n = 20, 40.
Mountain slopes, mixed forests, valleys; 1600–3000 m. Xizang, Yunnan [NW India, Nepal, Pakistan; Africa, SW Asia (S Arabia)].

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