資料編號: | HK-7101 |
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中文名稱: | 藍葉藤 |
學名: | Marsdenia tinctoria [找同屬植物] |
植物科名: (APG新系統) | APOCYNACEAE夾竹桃科 [找同科植物] |
標室舊系統 | ASCLEPIADACEAE蘿藦科[找同科] |
生長習性: | 藤本 |
原生/外來: | 香港原生植物 |
資料更新: | 20240425 11:21:07 pm |
備註: Marsdenia tinctoria R. Br. FOHK: Lianas to 5 m or longer, densely to sparsely pubescent when young, glabrescent. Petioles 1–4 cm; leaf blade oblong to broadly ovate, 5–13 × 2–7 cm, thin‑papery, bluish when dry, base rounded to cordate, apex acuminate, lateral veins 5–7(–10) on each side of midvein. Inflorescences densely flowered, globose to long raceme‑like cluster of cymules, (1.5–)3–15 cm; peduncle (0.5–)2.5–5 cm; pedicels 3–5 mm. Sepals suborbicular, ca. 2 mm. Corolla yellowish white, dark blue when dry, urceolate, 3.5–4(–6) mm, throat with a ring of hairs, otherwise glabrous; tube ca. 2.5 mm; lobes ovate, 1–1.5 mm, apex rounded. Corona‑lobes 5, lanceolate, as long as anther. Pollinia narrowly oblong. Stigma head discoid, slightly convex at apex. Follicles oblong‑lanceolate, 5–10 × 0.8–1 cm, pilose to sub‑tomentose. Seeds ovate, 1 × 0.3 cm; coma 1–2 cm. | |
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