資料編號: | HK-7108 |
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中文名稱: | 洋野黍 |
學名: | Panicum dichotomiflorum [找同屬植物] |
植物科名: (APG新系統) | POACEAE禾本科 [找同科植物] |
標室舊系統 | POACEAE禾本科[找同科] |
生長習性: | 草本 |
原生/外來: | 香港原生植物 |
資料更新: | 20240428 12:08:05 am |
備註: Panicum dichotomiflorum Michx. FOHK: Annual or perennial hydrophilous herb. Culms creeping and rooting at lower nodes, branching, 30–110 cm, upper nodes glabrous. Leaves cauline; leaf sheaths striate, glabrous, longer than internode; leaf blades linear, flat, 7–35 × 0.5–1.5 cm, glabrous, scabrid, base straight or subcordate, apex acute; ligule 1–2 mm, a ciliate membrane. Panicle terminal or axillary, open, 10–30 cm, much branched; branches glabrous, scabrid, secondary and tertiary branches often appressed. Spikelets lanceolate to narrowly ovate, 3–4 mm, glabrous, acuminate; lower glume 1/6 – 1/3 length of spikelet, clasping at the base of the spikelet, membranous, 0–1-veined, apex obtuse to acute; upper glume as long as spikelet, 7–9-veined; lower lemma similar to upper glume, palea absent or well developed, narrow and small; upper floret green or pale yellow, 2/3 length of spikelet, smooth, shiny, acute. | |
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