Cyperus procerus
擬毛軸莎草
Cyperus procerus Rottb.
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
Rottb., Descriptionum et Iconum Rariores 29. pl. 5. fig. 3. 1773. (Descr. Icon. Rar. Pl.)
台灣首次記錄發表文獻
Koyama, Quarterly journal of the Taiwan Museum 14: 171. 1961. (Quart. J. Taiwan Mus.)
異名
無
各語言俗名
-
日ほくとうがやつり.
參考文獻
-
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)
特徵描述
生活型
herb
形態特徵
- Perennial with long stoloniferous rhizome. Culms erect, rather thick, 50-85 cm tall, triquetrous.
- Leaves surpassing culm; blades linear, flattish, 7-10 mm wide; sheaths purplish brown.
- Corymbs simple or in part subcompound, 10-15 cm long, sublax, with 3-5 smooth rays; spikes broadly ovoid, 2-3 cm long, bearing 5-15 spikelets; rachis weakly scabrous; leafy bracts few, lowest 1 or 2 surpassing corymb. Spikelets linear, 1-2 cm long, ca. 3 mm wide, flattened, patent, subdensely 20-30-flowered, pale, tinged with reddish brown.
- Glumes broadly ovate, obtuse, ca. 3 mm long, 2- or 3-nerved on each side, membranaceous, pale brown, stained with reddish brown, greenish keel ending in a mucro. Achenes ca. 1/2 as long as glume, elliptic, trigonous, brownish; style nearly its long as achene; stigmas 3. Anthers 3.
分布
- 台灣 : Wet places at low elevations.
- 世界 : Madagascar, India, Indochina, Malesia and northern Australia.
引證標本
TAIPEI: Peitou, Soma, s. n. Nov 1914.
參考文獻
典藏標本
共有 6 份典藏標本
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