资料库编号: Database ID: |
MY-10563 |
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中文名称: Chinese Name: |
二萼丰花草 |
中文別名: | 蔓鸭舌广舅 |
学名: Scientific Name: | Spermacoce exilis [找同属植物] |
学名2: Syn. Scientific Name: | Spermacoce mauritiana Gideon |
英文名称: English Name: | Pacific false buttonweed |
英文別名: | Toothed Buttonweed |
植物科名: Family Name: | 茜草科 Rubiaceae [找同科植物] |
图片花色: | 白_white |
生长环境: Living Environment: | 路边 |
原产地: | 墨西哥到热带美洲 |
输入时间: Input Time: | 201810 |
Remarks: 引进西马半岛。 Flora of China: Herbs, annual to perhaps perennial, slender, creeping to weakly ascending, to 30 cm tall; stems 4-angled, puberulent to glabrescent, angles winged, wings 0.1-0.5 mm wide, ciliate or ciliolate. Leaves subsessile to shortly petiolate; petiole to 1.5 mm, puberulent to glabrescent; blade drying membranous, ovate or elliptic-oblong, 0.7-30 × 4-15 mm, sparsely puberulent to glabrous throughout or pilose to hispid along midrib abaxially, base obtuse to cuneate, apex acute to obtuse; secondary veins 2 or 3 pairs; stipules pilosulous or hirtellous to glabrescent, sheath 0.5-1 mm, with 5-10 bristles 0.5-2 mm, often glandular. Inflorescences terminal and in uppermost leaf axils, 3-6 mm in diam., several to many flowered; bracts numerous, filiform, 0.5-1.5 mm. Calyx hirtellous to glabrescent; hypanthium portion obovoid, ca. 0.3 mm; lobes 2, linear-lanceolate to triangular, 0.4-0.9 mm. Corolla white, rotate to shortly tubular, 0.5-0.6 mm, outside glabrous, bearded in throat; lobes spatulate triangular, ± as long as tube. Capsules ellipsoid, weakly to strongly flattened at right angles to septum, 1-1.1 × 0.8-1 mm, glabrescent, membranous and sometimes somewhat hyaline, septicidal from apex then both valves loculicidal through septum or sometimes fragmenting; seeds brownish yellow, ellipsoid, ca. 0.8 × 0.4 mm, obtuse at both ends, shiny, surface apparently with numerous fine horizontal striations or ridges (at 10×; but actually with minute transverse pits, visible at 40×). Fl. and fr. almost year-round. | |
If there is any error, please contact us at info@hkcww.org | |
1-10563a | |
2-10563b | |
3-10563c | |
4-10563d | |
5-10563e | |
6-10563f | |
7-10563g | |
8-10563h |