台湾芦竹Arundo formosana

中文名(Chinese Name):台湾芦竹
学名(Scientific Name):Arundo formosana Hack.
英文名(English Common Name):
别名(Chinese Common Name):
异名Synonym):Arundo formosana var. gracilis Hack.  Arundo parviflora Ohwi  Arundo formosana var. robusta Conert
科属(Family & Genus):禾本科(Gramineae)芦竹属
形态特征(Description):多年生,具发达根状茎。秆高约1米,较细弱,有分枝,常向下悬垂;叶鞘长于其节间,平滑无毛;叶舌长0.5-1毫米,截平或撕裂状;背面具毛;叶片披针形,长10-25厘米,宽8-15毫米,顶端渐尖,基部具长毛,边缘粗糙。顶生圆锥花序长20-30厘米,较疏松;小穗含3 (5)花,长6-7毫米;颖披针形,厚纸质,长3-4毫米,具3脉,顶端尖或渐尖;第一外稃长5-6毫米,具5脉,中脉延伸成长2-3毫米之芒,背部具长约3毫米之丝状柔毛,基盘长约0.3毫米,两侧具短柔毛;内稃长3-4毫米;边缘密生细纤毛;花药黄褐色,长约2毫米;鳞被2,具明显粗脉,顶端截平。颖果长1.5-3毫米;胚为果体长的1/2。花果期6-12月。
分布(Distribution):产台湾台北、新竹。生长于海滨岩壁边或山坡草地,海拔350-450米。模式标本采自台湾新竹。
用途(Use):FOC Vol. 22 Page 448
Arundo formosana Hackel, Bull. Herb. Boissier. 7: 724. 1899.
台湾芦竹 tai wan lu zhu| Poaceae  | Arundo
Arundo formosana var. gracilis Hackel; A. formosana var. robusta Conert; A. parviflora Ohwi.
Tufted perennial from a short rhizome. Culms relatively slender, suberect to pendant, 0.6–1.2 m tall, 2–6 mm in diam., with slender clusters of branches from nodes. Leaf sheaths longer than internodes, glabrous; leaf blades 10–25 × 0.5–1.5 cm, margins scabrous, basal part with long silky hairs, apex acuminate; ligule 0.5–1 mm. Panicle 10–30 cm, loosely contracted, light brownish; branches 5–8 cm, ascending. Spikelets 6–10 mm, florets 2–5, uppermost floret much reduced; glumes 3–4 mm, 3-veined, lower glume lanceolate-elliptic, acuminate, upper glume lanceolate, acuminate; lemmas narrowly lanceolate, 3.5–6 mm, 5-veined, dorsal hairs 1.5–3 mm, apex subentire to minutely bidentate with 1.5–3 mm awn from sinus, lateral veins shortly extended or not; palea 2/3 length of lemma body. Fl. and fr. Jun–Dec.
Dry coastal grassland and sea cliffs. Taiwan [Japan (Iriomote Island in S Ryukyu Islands), Philippines].
The culms are used for basket making.
台湾芦竹Arundo formosana

台湾芦竹Arundo formosana

台湾芦竹Arundo formosana

台湾芦竹Arundo formosana
 
(责任编辑:徐晔春)

顶一下[0]

踩一下[0]