Schoenoplectiella triangulata

水毛花

Schoenoplectiella triangulata (Roxb.) J.Jung & H.K.Choi

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

J.Jung & H.K.Choi. 2010. J. Pl. Biol. 53(3): 230.

台灣首次記錄發表文獻

同發表文獻

異名

Scirpus triangulatus Roxb.

Koyama. 1958. Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 7(6): 317. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)
Scirpus preslii Dietrich

Ohwi. 1944. Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 18: 116. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)
Scirpus mucronatus L. subsp. robustus (Miq.) T. Koyama

Koyama. 1961. Quarterly journal of the Taiwan Museum 14: 194. (Quart. J. Taiwan Mus.)
Schoenoplectus mucronatus (L.) palla subsp. robustus (Miq.) T. Koyama

Koyama. 1978. Flora of Taiwan 5: 214. (Fl. Taiwan)
Schoenoplectiella mucronata (L.) J.Jung & H.K.Choi subsp. robusta (Miq.) T.C.Hsu

Hsu. 2016. Illustrated Flora of Taiwan 2: 361. (Ill. Fl. Taiwan)

各語言俗名

中

水毛花
台

Iú chhong
日

かんがれい

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Subdensely tufted with short rhizome. Culms 45-130 cm tall, 5-11 mm thick below, acutely triquetrous with shallowly concave sides, deep green, dull, surrounded at base with 2-4 sheaths only.
Sheaths membranaceous to herbaceous, lower ones scale like, brown, upper ones pale, 7-25 cm long, often septate-nodose below, obliquely truncate at mucronate orifice.
Inflorescence a pseudo-lateral hemispherical head, with (3-)5-20 spikelets; bract upright or obliquely bent, 3-10 cm long, rather gradually narrowed above to subacute apex. Spikelets oblong to lanceolate, 1-2 cm long, 4-6 mm wide, terete, contracted at base, gradually subacute at apex, brownish greenish, densely many-flowered.
Glumes ovate to widely ovate, 3.8-5 mm long, 2.5-3 mm wide, chartaceous, pale-green and brownish tinged, usually with brown lineolae, minutely ciliolate on upper margin, contracted above to mucronate apex; keel green 3-nerved. Achenes broadly obovate, 2-2.5 mm long, 1.5-2 mm wide, compressed, trigonous, contracted to cuneate base, rounded to mucronate apex, sides maturing black-brown, somewhat shiny, inconspicuously transversely wrinkled; style ca. 4 mm long, 3-cleft. Hypogynous bristles 6, 1.5-2 times length of achene, retrorsely scabrous.

分布

台灣 : Shallow water at margin of marsh or river, frequently found also, in rice field.
世界 : Temperate and tropical Asia: Japan, China, Indochina, India, Sri Lanka and Malesia.

引證標本

TAIPEI: Peitou, Faurie 169; Chishingshan, Hsu et al. 198; Tanshiu, Faurie 807; Mururoshu, Suzuki 7326; Karasan, Suzuki 6233. ILAN: Taipingshan, Suzuki s. n. 1928; Ohwi 2395. HSINCHU: Yuenyanghu, Hsu & Kuoh 14256. TAOYUAN: Pate, Chuang 4587; Taoyuan, Suzuki s. n. 1933. NANTOU: Sun Moon Lake, Kudo & Sasaki 15270. PINGTUNG: Pingtung, Yasukawa s. n. 14 Sep 1923. TAITUNG: Hsinkan, Kawakami s. n. 8 June 1906. HUALIEN: Hualien, Ito s. n.