Mazus pumilus

通泉草

Mazus pumilus (Burm. f.) Steenis

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

Steenis. 1958. Nova Guinea: a journal of botany, zoology, anthropology, ethnography, geology and palaeontology in the Papuan region, new series 9(1): 31. (Nova Guinea, n.s.)

台灣首次記錄發表文獻

Li. 1978. Flora of Taiwan 4: 573. (Fl. Taiwan)

異名

Mazus japonicus (Thunb.) Kuntze.

Hayata. 1917. General Index to the Flora of Formosa 52. (Gen. Ind. Fl. Formos.)
Mazus rugosus Lour.

Forbes & Hemsl. 1890. The journal of the Linnean Society of London. Botany 26: 183. (J. Linn. Soc., Bot.)

各語言俗名

中

通泉草、六角定經草
台

Làk kak têng keng chháu、Pèh chí chhài
原

Zakarukaru (Paiwan)
英

Divided-by-the-brook
日

ときわはぜ、なつはぜ

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

Annual or biennial herbs. Stems erect or ascending, simple or loosely branched, 5–15 cm long.
Leaves mostly on lower half of stems, opposite, membranaceous; petiole 2–6 cm long, glabrous or pubescent; blade obovate or spatulate, 0.5–3 cm long, 0.8–2 cm wide, apex obtuse, base gradually narrowed, attenuate into petiole, subentire to coarsely few-toothed.
Inflorescence a terminal, loosely flowered raceme; bracts linear, acute, 1–2 mm long; pedicel 3–13 mm long, short glandular-pubescent; calyx campanulate, 4–6 mm long, 5-lobed; corolla bilabiate, pale purple with yellow spots on lower lip inside, 9–10 mm long; stamens 4, didynamous.
Capsule enclosed by persistent calyx, globose, 3–4 mm across. Seeds narrowly ellipsoid, ca. 0.3 mm long, brown.
Chromosome number: 2n = 40.

分布

台灣 : a weed of waste grounds and cultivated fields in lowlands.
世界 : Widely distributed in India and Asia.

引證標本

TAIPEI: Shihting, Yang 2336; Shihliufengtzu, Peng 10604; Yangmingshan, Peng 12668, Patoutze, Peng 7569; Nankanshan, Peng 10452. ILAN: Tuchang, Suzuki 3721. HSINCHU: Shangkuanli, Peng 6426; Chunan Seashore, Yang 20190. MIAOLI: Nanchung, Kao 7858. TAICHUNG: Chingshui, Peng 4490; Chung Hsing Univ. Peng 6442 NANTOU: Chitou, Yang 1632. HUALIEN: Taroko to Tatung, Leu 54; Kuanyuan, Lammers 8473.