Carex gracilispica
細穗宿柱薹
Carex gracilispica Hayata
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
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名彙資訊
學名發表文獻
Hayata, Icones Plantarum Formosanarum 10: 62. fig. 39. 1921. (Icon. Pl. Formos., 台灣植物圖譜)
台灣首次記錄發表文獻
同發表文獻
異名
無
各語言俗名
-
日なごすげ. ひろはひようたんすげ.
參考資料
-
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
- Rhizome short, without stolon. Culms several to a tuft, 15-40 cm tall, 0.7-1.5 mm thick, trigonous, smooth, bearing spikes on upper 3/4-2/3.
- Leaves many, much surpassing culms; 6-15 mm wide; basal sheaths brown or pale-green with brown nerves.
- Spikes 4 to 8, single or middle ones occasionally binate or ternate, lowest occasionally branching bearing secondary spikes arising from lower achene bearing utricles. Terminal spike staminate, linear, 1-3 cm long, 1-2 mm wide, pale or pale-brownish. Lateral spikes pistillate, upper ones subfastigiate to contiguous, lowest 1 or 2 spaced, narrowly cylindrical to linear, (2-)3-6 cm long, 3 mm wide, many-flowered. Bracts with short blade, forming loose sheath at base.
- Pistillate glumes obovate to oval, ca. 2.5 mm long, membranaceous, light yellowish, obtuse to truncate at apex, green costa forming a mucro or cusp at apex. Utricles longer than glume, suberect, lageniform, 5-6 mm long, obtusely trigonous, light green, finely many-veined, pubescent, contracted at short-stipitate base, weakly constricted at midway portion, beak short, minutely bidentate. Achenes rather tightly enveloped, lageniform, triquetrous, 3-4 mm long, short stipe at base, gradually tapering above to a short column ca. 1 mm long and 0.7 mm across, apex contracted into a cylindrical neck; style slightly thickened at base; stigmas 3, short.
分布
- 台灣 : forest floor at low elevations.
- 世界 : Vietnam and Malay Peninsula.
引證標本
TAIPEI: Tatungshan, Leong 1166. ILAN: Fushan Botanical Garden, Peng 13857. NANTOU: Lienhuachi, Huang 7598.
引用文獻
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