資料編號: | HK-7072 |
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中文名稱: | 觿茅 |
學名: | Dimeria ornithopoda [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: | 20240424 11:11:03 pm |
備註: Dimeria ornithopoda Trin. FOHK: Annual herb. Culms slender, erect or geniculate at base, glabrous, 3–40 cm tall. Leaf sheaths keeled, with scattered tubercle-based hairs; leaf blades linear, soft, 1.5–5 × 0.1–0.3 cm, hispid with scattered tubercle-based hairs or glabrescent, acuminate; ligule 0.5–1 mm, ciliate at the apex. Racemes 2–3, subdigitate, ascending at first, then divergent; rachis triquetrous, flexuose or straight linear, scabrid on angles; pedicels glabrous, alternate in one side of rachis. Spikelets linear-oblong or narrow elliptic, strongly laterally compressed, usually purple or reddish brown; glumes herbaceous with broad scarious margins, sometimes with a few long stiff hairs near apex of keel, or stiffly pilose throughout, keel usually wingless, occasionally upper glume narrowly winged, with rounded midline or sharply keeled apex; lower lemma shorter than spikelet, extremely compressed, dorsally scabrid, stiffly pilose throughout, margins thin, acute; upper lemma as long as spikelet; laterally compressed, margin hyaline membranous, acute, 2-lobed, an slender awn from the sinus; awn geniculate; upper palea absent; stamens 2; styles 2. Caryopsis linear-oblong. | |
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