Pilea matsudai

細尾冷水麻

endemic

Pilea matsudai Yamamoto

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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名彙資訊

學名發表文獻

Yamamoto, Supplementa iconum plantarum Formosanarum 1: 7. fig. 2. 1925. (Suppl. Icon. Pl. Formos., 續臺灣植物圖譜)

台灣首次記錄發表文獻

同發表文獻

異名

Pilea mongolica auct. non Wedd.

Ying, Cloured illustrated flora of Taiwan : Includes introduced species 3: 434. fig. 856. photo 541. 1988. (Col. Ill. Fl. Taiwan Intr. Pl., 台灣高等植物彩色圖誌含引進種)

各語言俗名

日

まつだみず.

參考資料

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

herb

形態特徵

Perennial herbs; stems erect or ascending, usually with purple-red spots.
Leaves slightly unequal-paired, membranaceous, hirsutulous above, very minutely hirsutulous on veins beneath, narrowly elliptic to elliptic, 5-18.5 cm long, 2.5-7.5 cm wide, apex acuminate to caudate, with an entire acumine, margins coarsely sharp-serrate or -dentate, base cuneate, 3-nerved; petioles 1.0-10.0 cm long; stipules 2, connate at base, with many brown-red maculae, broadly deltoid or triangular, obscurely nerved, without middle nerve.
Male inflorescences axillary, in cymose-paniculate glomerules; bracts free, fimbriate at margins, triangular; peduncles 4-8 mm long. Female inflorescences axillary, in compacted cymose-paniculate glomerules; peduncles 2.5-7 mm long. Male flowers subsessile; sepals 4, valvate, connate at base, dimorphic, hoodlike, or upside-down L-form of inner ones, fimbriate at upper margins, slightly corniculate at to just below apex; stamens 4; pistil rudimentary. Female flowers with 3 sepals; sepals connate at base, subequal, cymbiform; staminodes 3.
Achenes laterally compressed, obliquely ellipsoid.

物候

Flowering and fruiting July to November.

分布

台灣 : small ravines, 1,200-2,100 m.

引證標本

ILAN: Chaihsiang Bridge, Shih 2878; Szuyuan-yako, Shih 2880, 3232. NANTOU: Chitou, Chang 18283, Wang 1231; Tongpu, Shih 2988. KAOHSIUNG: Chishangun, Suzuki 20919; Tashulinshan, Shimizu 3611. PINGTUNG: Alikang-fanti, Matuda s. n. 1919; Tawushan, Huang et al. 13623.