Carex bilateralis

短葉二柱薹

Carex bilateralis 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

名彙資訊

學名發表文獻

Hayata, Materials for a flora of Formosa 380. 1911. (Mat. Fl. Formos.)

台灣首次記錄發表文獻

同發表文獻

異名

Carex kotoensis Hayata

Hayata, General Index to the Flora of Formosa 90. 1917. (Gen. Ind. Fl. Formos.)
Carex asperinervis T. Koyama

T. Koyama, Acta phytotaxonomica et geobotanica eng 16: 6. pl. 3, f. U-V. 1936. (Acta Phytotax. Geobot.)
Carex subteinogyna Ohwi

Ohwi, Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 11: 469. pl. 15. fig. 17. 1936. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)

各語言俗名

日

こうとうすげ. ひらみすげ.

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

Rhizome short, densely tufted. Clums slender, 20-60 cm tall, ca. 0.5 mm thick, trigonous, scabrid above.
Leaves rather many, 5-30 cm long, more or less recurved; blades, l.5-3 mm wide, stiff, asperous on upper surface; sheaths dark brown.
Inflorescence paniculate, occupying 1/3 to 1/2 its length of culm, narrow, loose, bearing fascicled spikes at 4 to 7 nodes; fascicles bearing 2 to 6 capillary. Bracts sheathing; blades of lower bracts leafy, upper bracts with setaceous blade. Spikes androgynous with staminate part much shorter than pistillate part, 1-4 cm long, loosely to subdensely flowered, rusty-brown.
Pistillate glumes oblong to elliptic, acute at apex, 3-5 mm long, rusty brown with white-hyaline margin, awned at apex. Utricles suberect, lanceolate-ovate, lenticular, 3-5 mm long, slenderly several-veined, hispidulous, narrowed below to a short-stipitate base, gradually tapering above to a rather long beak, minutely bidentate. Achenes rather tightly enveloped, ovate, 1.2-1.5 mm long, lenticular; style more or less thickened at base; stigmas 2, slender, 3-5 mm long.

分布

台灣 : Rocky place at mid to high elevations.
世界 : New Guinea.

引證標本

NANTOU: Shuili to Tatachia saddle, Peng 9502. CHIAYI: Yushan, Nakahara s. n. 1906. KAOHSIUNG: Southern Cross-Island Highway, Kuoh 10408. HUALIEN: Chingshuishan, Leu 1778.