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纤毛柳叶箬Isachne ciliatiflora Keng

纤毛柳叶箬Isachne ciliatiflora Keng

科名:禾本科 Gramineae

属名:柳叶箬属 Isachne

《中国植物志》第10(1)卷187页
  12. 纤毛柳叶箬(禾本科图说)
  Isachne ciliatiflora Keng, 中国主要植物图说 禾本科641, 图578. 1979, nom. nud,: ex Keng f. in Acta Phytotax. Sin. 10 (1): 13. 1965.
  多年生。秆直立,基部常于节上生根而稍膝曲,高30-60厘米,无毛。叶鞘除基部者外均短于节间,除边缘及鞘口具纤毛外,其余无毛;叶舌纤毛状,长约1毫米;叶片线状披针形,长5-15厘米,宽5-10毫米,顶端渐尖,基部圆形,无毛,上面有横脉,边缘全缘,不增厚,微有皱波。圆锥花序伸出叶鞘外,长5-15厘米,每节通常具1分枝,分枝稍蛇曲,上举,与小穗柄均无毛和腺斑;小穗长圆形,长约2.5毫米;两颖近等长,顶端渐尖或急尖,稀钝圆,略短于小穗,具5-7脉,无毛,边缘狭膜质;二小花同质同形,均椭圆形,外稃边缘密生纤毛;第一小花长约2.2毫米,两性,第二小花长约2毫米,雌性。颖果椭圆形。花果期6-9月。
  产四川;生于1 500米以上的山坡、路旁潮湿之地。模式标本采自清溪县。
  本种与柳叶(Isachne globosa(Thunb.)Kuntze)相似,但后者花序分枝及小穗柄均有腺斑;小穗略小,小花的外稃边缘无密生的纤毛等特征可资区别。

《Flora of China》 Vol. 22 (2006)
Isachne ciliatiflora  Keng ex P. C. Keng
纤毛柳叶箬   xian mao liu ye ruo
Perennial. Culms loosely tufted, ascending, rooting at lower nodes, 30–60 cm tall, nodes eglandular. Leaf sheaths glabrous except for ciliate outer margin; leaf blades linear-lanceolate, 5–15 × 0.5–1 cm, smooth, glabrous, base rounded, apex acuminate; ligule ca. 1 mm. Panicle open, 5–15 cm, eglandular; primary branches laxly ascending, moderately branched with scattered spikelets, smooth; pedicels equaling or longer than spikelets. Spikelets oblong, ca. 2.5 mm; florets slightly dissimilar, lower floret bisexual, upper floret usually female; glumes similar, ovate-oblong, slightly shorter than spikelet, 5–7-veined, glabrous, obtuse; lower lemma elliptic-oblong, shallowly convex, cartilaginous, densely white-ciliate along whole length of margin, otherwise glabrous; upper lemma similar but slightly shorter and more ovate. Fl. and fr. Jun–Sep.
* Moist places; 1500–1800 m. Sichuan.
This species is related to Isachne globosa, but differs in having an eglandular panicle and densely ciliate lemma margins.

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