Diodia virginiana

維州鈕扣草

naturalized

Diodia virginiana L.

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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L., Species Plantarum 1: 104. 1753. (Sp. Pl.)

Hsieh & Chaw, Botanical bulletin of Academia Sinica 28: 43. 1987. (Bot. Bull. Acad. Sin., 中央硏究院植物學彙刊)

無

herb

Perennial prostrate herbs to 60 cm long, branched; branches 4-angled, pilose on angles.
Leaves elliptic-lanceolate to oblanceolate, 2–3.2 cm long, 4–8 mm wide, apex acute, base cuneate, oblique, margin serrulate, subglabrous except pilose along lower margin; petiole ca. 0.3 mm long; stipular sheath truncate, glabrous, denticulate, ciliate on upper margin.
Flowers 1–3 in cluster, subsessile; calyx 5–7 mm long, pubescent, lobes 2, linear-lanceolate; corolla white, 1.8–2.1 cm long, with tube ca. 15 mm long; filaments ca. 2 mm long; style 1–1.3 cm long.
Fruit ellipsoid, 6–9 mm long, pubescent, 4–6 mm across, prominently 8-ridged.