Mitrasacme pygmaea

矮形光巾草

Mitrasacme pygmaea R. Brown

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

R. Brown. 1810. Prodromus Systematis Naturalis Regni Vegetabilis 453. (Prodr.)

台灣首次記錄發表文獻

Hara. 1955. Journal of Japanese Botany 30: 23. (J. Jpn. Bot.)

異名

Mitrasacme nudicaulis Rein. ex Blume

Hara. 1940. Journal of Japanese Botany 14: 155. (J. Jpn. Bot.)
Mitrasacme polymorpha R. Br.

Masam. 1954. A list of vascular plants of Taiwan 111. (List Vasc. Taiwan)

各語言俗名

中

矮形光巾草
日

あいなえ

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

A delicate small annual, 5–10 cm tall, stems simple or branched at base, scaberulous, bearing a few opposite leaves toward base, scape-like and glabrous above.
Leaves subsessile, ovate to elliptic, 5–12 mm long, 2–5 mm broad, apex acute or obtuse, base obsoletely 3-nerved, sparsely scaberulous.
Flowers white, 3–5-verticillate at apex of stem, forming an umbellate Inflorescence; pedicel 10–40 mm long; calyx 1 mm long, 4-lobed, lobes lanceolate, acute; corolla ca. 2–3 mm across, 4-lobed, throat hairy.
Capsules globose, ca. 2–3 mm in diam., bifid.

分布

台灣 : rare, in sunny places in lowlands.
世界 : Widely distributed in southern and eastern Asia and Australia.

引證標本

TAIPEI: Yangmingshan, Shimada s. n. 1913; Yenliao, Huang 4251. HSINCHU: Lienhuashih, Huang 2199, Peng 8598. NANTOU: Sun Moon Lake, Kudo & Sasaki s. n. 1929. PINGTUNG: Chialoshui, Huang 4339.