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資料編號: | HK-2750 |
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中文名稱: | 弓果藤 |
學名: | Toxocarpus wightianus [找同屬植物] |
英文名稱: | Wight |
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: | 攀援 |
原生/外來: | 香港原生植物 |
圖片花色: | yellow |
發現開花: | June_July_Aug |
特別特徵: | 單葉對生 |
圖片果色: | green |
資料更新: | 20190630 12:13:22 am |
備註: FOC: Lianas slender, to 8 m. Branchlets tawny brown puberulent[小枝黃褐色棕色被微柔毛], lenticellate[有皮孔]. Petiole 1-1.5 cm, rusty tomentose; leaf blade elliptic or elliptic-oblong to ovate-orbicular, 2.5-6 × 1.5-4.5 cm, subleathery, glabrous, base rounded to subcordate, apex acute to rounded or subemarginate, apiculate to cuspidate; lateral veins 5-8 pairs. Cymes umbel-like, to 10-flowered, much shorter than leaves; peduncle to ca. 6 mm, rusty pubescent. Pedicel ca. 3 mm, minutely villous. Sepals ovate-oblong, membranous, rusty tomentose. Corolla yellow-ish, rotate, glabrous; tube ca. 2 × 3 mm; lobes narrowly lanceolate, ca. 8 × 1-2 mm. Corona lobes triangular, ca. 2 mm, obtuse. Pollinia minute. Stigma head fusiform. Follicles narrowly lanceolate in outline, 8-9 × ca. 1 cm, divaricate at 180-200º, densely rusty tomentose, pericarp thick. Seeds ovate-oblong, ca. 10 × 3-5 mm, not beaked; coma ca. 3 cm. Fl. Jun-Aug, fr. Oct-Dec. 2014.6.28 東涌 弓果藤果有黄色毛;羊角拗沒有. 中國植物誌 柔弱攀援灌木;小枝被毛。葉對生,除葉柄有黃銹色絨毛外,其餘無毛,近革質,橢圓形或橢圓狀長圓形,長2.5-5厘米,寬1.5-3厘米,頂端具銳尖頭,基部微耳形;側脈5-8對,在葉背略為隆起;葉柄長約1厘米。 兩歧聚繖花序腋生,具短花序梗,較葉為短;花萼外面有銹色絨毛,裂片內面的腺體或有或無;花冠淡黃色,無毛,裂片狹披針形,長約3毫米,寬1毫米;副花冠頂高出花藥;花粉塊每室2個,直立;柱頭粗紡錘形,高出花藥。蓇葖叉開成180°或更大,狹披針形,長約9厘米,直徑1厘米,向頂部漸狹,基部膨大,外果皮被銹色絨毛;種子有邊緣;種毛白色絹質,長約3厘米。花期6-8月,果期10月-翌年1月。 | |
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