| 資料編號: | HK-2332 |
|---|---|
| 中文名稱: | 麻葉鐵莧菜 |
| 學名: | Acalypha lanceolata [找同屬植物] |
| 植物科名: (APG新系統) | EUPHORBIACEAE大戟科 [找同科植物] |
| 標室舊系統 | EUPHORBIACEAE大戟科[找同科] |
| 生長習性: | 草本 |
| 原生/外來: | 香港原生植物 |
| 圖片花色: | yellow |
| 資料更新: | 20220720 08:57:20 pm |
| 備註: FOC: 熱帶鐵莧菜A.indica: Branchlets adpressed pubescent when young; female bracts ovate-cordate, crenulate. 麻葉鐵莧菜A.lanceolata: Branchlets pubescent and sparsely hirsute when young; female bracts fan-shaped, denticulate. FoHK: Annual erect herb, 40–70 cm tall; young branches densely tawny pubescent and sparsely hirsute. Leaves alternate; petioles 2–5.5 cm, densely pubescent; stipules linear-lanceolate, ca. 4 – 10 mm, sparsely pubescent; leaf blade rhomboid-ovate or oblong-ovate, 4 – 8 × 2– 4 cm, base cuneate or broadly cuneate, apex acuminate, margin serrate, sparsely hairy on both surfaces; basal veins 5 – 7. Spikes axillary, 1– 2.5 cm, with female flowers at base and male flowers on the distal part, sometimes with 1 – 3 abnormal female flowers at apex of rachis; bracts of female flowers 3 – 9, half orbicular, 2.5 – 4 × 5 – 6 mm, with short acute teeth, tomentose abaxially; bracts of male flowers lanceolate, ca. 0.5 mm. Male flowers: 5 – 7 clustered in axil of bracts; pedicels 0.5 mm; calyx-lobes 4; stamens 8. Female flowers: solitary in axil of bracts; calyx-lobes 3, narrowly triangular, ca. 0.5 mm; ovary pubescent; styles 3, ca. 2 mm, lacerate; ovary oblate-obovoid, 1-locular; style 1, inserted at base of ovary, lacerate. Capsules of 3 bivalved cocci, ca. 2.5 mm in diam., pubescent; seeds ovoid, ca. 1.8 mm, smooth. | |
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