《中国植物志》|| 禾本科 GRAMINEAE ||柳叶箬组 Sect. Isachne Seet ||白花柳叶箬 Isachne albens Trin.

8．白花柳叶箬（禾本科图说）
Isachne albens Trin. in Sp. Gram. Icon. 1: pl. 85. 1928: Hook. f. Fl. Brit Ind. 7: 22. 1897; Rendle in Journ. Linn. Sco. Bot. 36: 321. 1904; F. G. Camus et A. Camus in Ucomte, Fl. Gen. L'Indo-Chin. 7: 417. 1922; Hand. -Mazz. Symb. Sin. 7: 1302. 1936; A. Chase in Journ. Arn. Arb. 24: 87. 1943: Rhind, Grass. Burm. 44. 1945; Reeder in Journ. Arn. Arb. 29: 309. 1948: P. Jansen, Reinwardtia 2: 279. 1953;中国主要植物图说 禾本科640, 图576. 1959; Bor, Grass. Burm. Ceyl. Ind. Pakist. 579. 1960; Keng f. in Acta Phytotax. Sin. 10 (1): 10. 1965: 台湾的禾草465, 图127. 1975: 台湾植物志5: 516. 1978.——Panicum albens (Trin. ) Steud. Syn. Pl. Glum. 1:96. 1854. ——Panicum zollingeri Steud. l. c. 96. 1854. ——Isachne stricta Elmer, Leaflets Philip. Bot. 2: 463. 1908: A. Chase in Journ. Arn. Arb. 24: 88. 1923.——Isachne arisanensis Hayata, Icon. Pl. Formos. 7: 57. f. 29. 1918; Honda in Journ. Fac. Sci. Univ. Tokyo sect. lll, Bot. 3: 278. 1930. ——sachne elatiuscula Ohwi in Bot. Mag. Tokyo 56: 5. 1942.
多年生。秆坚硬，直立或基部节上生根而倾斜，高50-100厘米，基部数节可分枝，无毛。叶鞘除边缘具柔毛外余无毛，短于节间，或上部者稍长于节间，叶舌纤毛状，长约2毫米；叶片质较坚硬，披针形，长7-15厘米，宽8-18毫米，上面具短硬毛而粗糙，下面无毛，边缘加厚而为软骨质。圆锥花序椭圆形或倒卵状椭圆形，开展，长15-25厘米，宽6-12厘米，分枝单生，每一分枝可再1-2次分出小枝，每小枝具1-2枚小穗；分枝及小穗柄无腺斑；小穗长1-1.5毫米，椭圆状球形，灰白色；颖草质，约与小穗等长，具5-7脉，背部上半部疏生小硬毛或无毛；两小花同质同形，内外稃均被微小的细毛，偶有第二小花稍小，为椭圆形或卵圆形，第一小花两性，第二小花常为雌性。颖果椭圆形。染色体数2n=60。花果期夏秋季。
产四川、贵州、福建、台湾、广东、广西、云南；生于海拔1 000-2600米的山坡、谷地、溪边或林缘草地中。分布自尼泊尔、印度东部经我国南部至中南半岛、菲律宾、印度尼西亚，向东可达巴布亚新几内亚。模式标本采自尼泊尔。

《云南植物志》|| 禾本科 Poaceae (Gramineae) ||柳叶箬属 Isachne R. Br. ||白花柳叶箬 Isachne albens Trin.

1.白花柳叶箬（中国主要植物图说·禾本科）图版99：8—11
Isachne albens Trin. (1826)*; Hook. f. (1897); A. Camus in Lecomte (1922); Hand. -Mazz. (1936); 中国主要植物图说•禾本科 (1959)*; 台湾植物志 (1978); 中国植物志 (1990).
Panicum albens (Trin.) Steud. (1854).
多年生草本。秆直立或基部倾斜而节上生根，高50—130厘米，基部径粗1—3毫米，光滑无毛，质地较坚硬，基部节常具分枝。叶鞘除边缘具纤毛外，余部平滑无毛，短于或上部者稍长于节间；叶舌为一列长约1—2毫米的长纤毛，稀无纤毛而仅有极短的舌体（如83级801—0224贡山县，在同一标本上可见有毛与无毛）；叶片线状披针形，质地较硬，长7—28厘米，宽6—15毫米，两面粗糙或叶背稍光滑，有时被短硬毛或无毛，边缘常加厚而呈软骨质且粗糙。圆锥花序椭圆形或金字塔形，开展，长15—25厘米，宽6—12厘米，分枝单生，每分枝再一次或二次分出小枝，小枝各具1或2个小穗，主轴及穗轴均光滑无毛；小穗近球形，长约1.5毫米，灰白色；颖草质，与小穗等长或略短，具5—7脉，但常不太明显，先端常有少数短硬瘤毛；两小花同质同形，有时第二小花稍小，椭圆形或卵形；外稃相似，革质，背部均被细软毛；第一小花雄性，有时两性，第二小花两性，有时雌性；内稃比外稃略短，质亦较薄，也被细软毛；雄蕊3枚，花药约0.6毫米。颖果椭圆形。
产贡山、昆明、蒙自；生于海拔1000—2000米的山坡草地及疏林中。分布于四川、贵州、广西、广东、台湾。印度、尼泊尔、东南亚及非洲均有。

《Flora of China》|| Poaceae || Isachne ||白花柳叶箬 Isachne albens

14. Isachne albens Trinius, Sp. Gram. 1(8): t. 85. 1828.

白花柳叶箬 bai hua liu ye ruo

Isachne albens var. magna (Merrill) Jansen; I. arisanensis Hayata; I. beneckei Hackel var. magna Merrill; I. magna (Merrill) Merrill; Panicum albens (Trinius) Steudel.

Perennial. Culms erect or decumbent at base, branching and rooting at basal nodes, 30–100 cm tall. Leaf sheaths glabrous or outer margin often ciliate; leaf blades narrowly lanceolate, firm, 7–15 × 0.8–1.8 cm, abaxial surface glabrous, strongly veined, adaxial surface glabrous to hispidulous, margins thickened, apex acuminate; ligule 1–2 mm. Panicle open, effuse, ovate-elliptic or pyramidal in outline, 9–30 cm, eglandular; primary branches smooth or almost so with capillary branchlets; pedicels varying in length. Spikelets elliptic-globose, 1–1.5 mm, whitish green; florets similar, lower floret usually bisexual, upper floret usually female; glumes herbaceous with inflexed scarious margins, 5–7(–9)-veined, usually glabrous, occasionally with a few stiff bristles above middle, obtuse, lower glume equal to spikelet, upper glume slightly shorter; lower lemma very slightly longer than upper, leathery, globose to elliptic-ovate, puberulous or subglabrous, obtuse, upper lemma hairier. Fl. and fr. summer–autumn. 2n = 60.

Rocky mountainsides, streams, forest margins, other moist open places; 500–2600 m. Fujian, Guangdong, Guangxi, Guizhou, Sichuan, Taiwan, Xizang, Yunnan [Bhutan, N India, Indonesia, Myanmar, Nepal, Thailand, Vietnam].

This widespread species is distinguished by its relatively tall habit and large, eglandular panicle of numerous small, pale spikelets. Specimens of Isachne scabrosa without obvious glands may key out here, but they can be distinguished by their papillose-hispid leaf sheaths.