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資料編號: | HK-1058 |
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中文名稱: | 合歡 |
學名: | Albizia julibrissin [找同屬植物] |
英文名稱: | Silk-tree |
植物科名: (APG新系統) | FABACEAE豆科 [找同科植物] |
標室舊系統 | MIMOSACEAE含羞草科[找同科] |
生長習性: | 落葉喬木 |
原生/外來: | 外來植物 |
圖片花色: | pink |
特別特徵: | 二回羽狀複葉互生_小葉對 |
資料更新: | 20210826 12:28:59 am |
備註: 合歡: 小枝有棱角,嫩枝、花序和葉軸被絨毛或短柔毛 象耳豆: 嫩枝、嫩葉及花序均被白色疏柔毛,小枝綠色,有明顯皮孔 香港有好多象耳豆, 誤認為合歡 Christine 相片: 鹿兒島拍 Ref. Photo 1 Ref. Photo 2 成塊二回羽狀複葉互生, 小羽片近對生 象耳豆同合歡Albizia julibrissin好相似 象耳豆属Enterolobium 跟 合歡屬主要分別為莢果捲曲或彎作腎形(thanks Crawford's info) 中國植物誌: 落葉喬木,高可達16米,樹冠開展;小枝有棱角,嫩枝、花序和葉軸被絨毛或短柔毛。托葉線狀披針形,較小葉小,早落。二回羽狀複葉,總葉柄近基部及最頂一對羽片著生處各有1枚腺體;羽片4-12對,栽培的有時達20對;小葉10-30對,線形至長圓形,長6-12毫米,寬1-4毫米,向上偏斜,先端有小尖頭,有緣毛,有時在下面或僅中脈上有短柔毛;中脈緊靠上邊緣。 頭狀花序於枝頂排成圓錐花序;花粉紅色;花萼管狀,長3毫米;花冠長8毫米,裂片三角形,長1.5毫米,花萼、花冠外均被短柔毛;花絲長2.5厘米。莢果帶狀,長9-15厘米,寬1.5-2.5厘米,嫩莢有柔毛,老莢無毛。花期6-7月;果期8-10月。 FoHK Deciduous tree, up to 16 m tall. Branchlets angular, together with leaf-rachis, inflorescences tomentose or pubescent. Stipules linear-lanceolate, much smaller than leaflet, deciduous. Leaves bipinnate, pinnae 4–12 pairs, sometimes to 20 pairs in cultivation, with glands near base of petioles and on leaf-rachis of uppermost pinnae; leaflets 10–30 pairs, obliquely linear to oblong, 6–12 × 1–4 mm, apex apiculate, midvein close to upper edge, base truncate, margin ciliate; panicles terminal. Flowers pink. Calyx tubular, 3 mm. Corolla 8 mm, lobes triangular, 1.5 mm. Calyx and corolla pubescent; filaments 2.5 cm. Pods strap-shaped, flat, 9–15 × 1.5–2.5 cm, glabrous. | |
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