Cyperus tenuispica
窄翅莎草
Cyperus tenuispica Steud.
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
名彙資訊
學名發表文獻
Steud., Synopsis Plantarum Glumacearum 2: 11. 1855. (Syn. Pl. Glumac.)
台灣首次記錄發表文獻
Koyama, Quarterly journal of the Taiwan Museum 14: 175. 1961. (Quart. J. Taiwan Mus., 臺灣省博物館季刊)
異名
無
各語言俗名
-
中窄穗莎草.
-
日みずはなび.
參考文獻
-
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)
特徵描述
生活型
herb
形態特徵
- Perennial, hardly tufted; rhizome stoloniferous, long-creeping, slender, persistent, terminated by a tuber. Culms solitary to few together, erect, 20-35 cm tall, slender, trigonous, smooth.
- Leaves several to a culm, shorter than culm; blades linear, 3-6 mm wide, weakly folded; sheaths pale and stained with reddish brown, eventually disintegrating into brown parallel fibers.
- Corymbs simple to partially compound, with 2-6 unequal slender rays 2-8 cm long; spikes turbinate, loosely bearing 2-11-spikelets; leafy bracts 2 or 3, equalling to shorter , than corymb. Spikelets patent, linear, 8-20 mm long, 1.5-3 mm wide, 8- to 20-flowered, yellowish brown or occasionally stained with reddish brown; rachilla with relatively broad white hyaline wings.
- Glumes elliptic to ovate-oval, rounded at apex, 3.5 mm long, thinly chartaceous to membranaceous, yellowish brown and sometimes tinged with reddish brown, conspicuously 7-nerved, keel greenish. Achenes obovate-oblong, trigonous, ca. 1/2 as long as glume, brown and puncticulate; stigmas 3. Stamens 3.
分布
- 台灣 : Open grasslands, sandy shores as well as in waste places.
- 世界 : From Mediterranean region through Indian subcontinent eastwards to Malesia and northern Australia, extending northwards to southern China and the Ryukyus.
引證標本
TAIPEI: Peitou, Faurie 76, Ito s. n. (TI). KAOHSIUNG: Chiuchen, Shimada 4425. TAITUNG: Taitung, Shimada 4431.
參考文獻
典藏標本
共有 14 份典藏標本
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