Gentiana itzershanensis

伊澤山龍膽

endemic

Gentiana itzershanensis T. S. Liu & Chiu C. Kuo

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

T. S. Liu & Chiu C. Kuo. 1974. Technical Bulletin of the experimental forest of National Taiwan University 114: 181. (Tech. Bull. Exp. For. Natl. Taiwan Univ.)

台灣首次記錄發表文獻

同發表文獻

異名

Gentiana scabrida Hayata var. itzershanensis (T. S. Liu & Chiu C. Kuo) S. S. Ying

S. S. Ying. 1989. Quarterly journal (Bulletin) of the experimental forest of National Taiwan University 3(2): 94. (Quart. J. Exp. For. Natl. Taiwan Univ.)

各語言俗名

中

伊澤山龍膽

特徵描述

生活型

herb

形態特徵

Annual herbs. Stems usually branched, densely scabrous, 10–25 cm long tall.
Leaves aristate-acuminate at apex; radical leaves lanceolate to narrow lanceolate, 1–2 cm long; cauline leaves narrow lanceolate, 1.2–1.5 cm long.
Flowers pedicellate, solitary on terminal branches; calyx tube campanulate, 5–7 mm long; calyx lobes 5, linear, longer than calyx tube, 8–10 mm long, apex aristate, obscurely scabrous-serrulate near apex, dilated and very minute scabrous-serrulate at base, middle part almost entire; corolla tubular-campanulate, yellow, 2–2.4 cm long, plicae ovate-triangular. Stamens 5, anthers narrow, 2.5 mm long, filaments 1.5–1.7 cm long. Ovary short stipitate, 8–10 mm long.
Capsules obovoid or ellipsoid, 5–6 mm long. Seeds ovoid, with minute longitudinally reticulate striae, 0.8–0.9 mm long.

分布

台灣 : exposed grasslands and bedrock areas in the Hsuehshan mountain range from 2,800 to 3,800 m.

引證標本

HSINCHU: Tapachienshan, Chen 1443, Ying 4207. MIAOLI: Itzershan, SH 512 (Holotype: TAI!), Huang 105. TAICHUNG: Hsuehshan, Chen 1370; Sanliuchiushanchuang to Tsueichih, Wang 4419; Taoshan, Hosokawa 2281.