資料編號: | HK-6423 |
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中文名稱: | 丹草 |
學名: | Oldenlandia herbacea [找同屬植物] | [完整學名] |
異名: | Hedyotis herbacea |
植物科名: (APG新系統) | RUBIACEAE茜草科 [找同科植物] |
標室舊系統 | RUBIACEAE茜草科[找同科] |
生長習性: | 草本 |
原生/外來: | 香港原生植物 |
特別特徵: | 香港茜草科植物新記錄 |
資料更新: | 20221122 11:48:57 pm |
備註: ref: photo 香港茜草科植物新記錄 FOC: Herbs, annual or biennial, generally erect, to 60 cm; stems weakly to sharply 4-angled, glabrous to scaberulous at least on angles. Leaves sessile or subsessile; blade linear or linear-lanceolate, 1-2.5 × 0.1-0.3 mm, glabrous to scaberulous, base acute to obtuse, margins weakly to strongly revolute, apex acute; secondary veins not visible; stipules reduced or fused to petiole bases, glabrous to scaberulous, truncate to broadly triangular, to 0.3 mm, entire or with 1-5 triangular to linear lobes or bristles 0.2-2 mm. Inflorescences axillary, 1-flowered or several flowered and fasciculate to cymose, glabrous, apparently ebracteate, pedunculate; peduncles 1-3 per axil, 1-30 mm; pedicels 1-30 mm. Flowers homostylous or heterostylous, subsessile to pedicellate. Calyx glabrous to puberulent; hypanthium portion subglobose to ovoid, 0.8-1 mm; limb lobed essentially to base; lobes narrowly triangular to linear, 0.5-1.5 mm. Corolla white to reddish or pale purple, funnelform, outside glabrous; tube 2-3 mm, glabrous at throat; lobes spatulate-oblong, 0.5-1 mm. Anthers exserted or included, 0.2-0.4 mm. Stigma ca. 0.8 mm, included or exserted. Fruit capsular, ovoid to subglobose, 2-2.5 × 2-2.5 mm, loculicidally dehiscent through apical beak 1-1.5 mm; seeds several, dark brown, foveolate. Fl. and fr. Jan, Mar-Apr. | |
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