Dentella repens

小牙草

Dentella repens (L.) J. R. Forst. & G. Forst.

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

J. R. Forst. & G. Forst., Characteres generum plantarum 26. 1776. (Char. Gen. Pl.)

台灣首次記錄發表文獻

Henry, A List of Plants from Formosa 49. 1896. (List Pl. Formos., 福爾摩沙植物名錄)

異名

Dentella matsudai Hayata

Hayata, Icones Plantarum Formosanarum 9: 53. 1920. (Icon. Pl. Formos., 台灣植物圖譜)

各語言俗名

日

たいわんみずはこべ.

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

Small prostrate herbs, much branched, forming thin mats; branches 4-angled to terete, glabrous, rooting at nodes.
Leaves slightl`y fleshy, oblanceolate to oblong-obovate, 4–10 mm long, 1–4 mm wide, apex acute, base cuneate, margin entire, subglabrous except pilose on midribs on lower surface; petioles 2–4 mm long; stipules deltate, entire.
Pedicel 1–2 mm long; calyx 2–3 mm long, pubescent, lobes deltate-lanceolate; corolla yellowish white, 6–12 mm long, pubescent in throat; stamens included, filaments ca. 0.5 mm long; style 2–6 mm long.
Drupe 3–4 mm long, pubescent, greenish.

分布

台灣 : dry fields and roadsides at low elevations in the central and southern parts.
世界 : Southeast Asia and Australia.

引證標本

CHANGHUA: Tienchung, Huang 2995. CHIAYI: Sanchepu, Kao 10590. PINGTUNG: Likan, Kao 10089; Pingtung, Yamamoto & Suzuki 1813. HUALIEN: Honglin, Kao 9785; Meilunbi, Huang et al. 5216.