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資料編號: | HK-15 |
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中文名稱: | 楹樹 |
學名: | Albizia chinensis [找同屬植物] |
異名: | Albizia stipulata |
英文名稱: | Chinese Albizia |
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: | 喬木 |
原生/外來: | 香港原生植物 |
圖片花色: | yellow |
特別特徵: | 二回羽狀複葉互生 |
資料更新: | 20171027 11:08:55 pm |
備註: 睇到大塊托葉,一大堆可以排除,包括銀合歡跟象耳豆。(thanks Crawford's info) 楹樹,幼枝有苞葉 (thanks 大梁 info) FoHK Deciduous tree, up to 30 m tall; branchlets yellow pubescent. Stipules large(托葉), membranous, cordate, apex apiculate, deciduous. Leaves bipinnate, pinnae 6 – 12 pairs, with glands near base of petioles and on leaf-rachis; leaflets 20– 35(–40) pairs, sessile, oblong-linear, falcate, 6 – 10 × 2 – 3 mm, base subtruncate, apex acuminate, margin ciliate, villose abaxially; midvein close to upper edge. Heads consisting of 10 – 20 flowers, forming a terminal panicle. Peduncles long or short, densely villose. Flowers greenish white or lightly yellow, densely yellow brown tomentose. Calyx funnel-shaped, 3 mm, shortly 5-toothed. Corolla twice as long as calyx, lobes ovate-deltoid. Stamens 25 mm. Ovary yellow brown villose. Pods plano-compressed, 10 – 15 × 2 cm, initially ± pubescent, glabrous when mature. 高大喬木,花期:2015.5 攝. 深圳植物誌: ≡Mimosa chinensis Osbeck Dagbok Ostind. Resa 233. 1757. 落葉喬木,高20-30m;樹冠廣闊,分枝平展;枝條密被短柔毛。二回羽狀複葉長20-30cm,有羽片6-12對;托葉大,斜心形,長寬均為2.5-3cm,早落;葉柄與葉軸均疏被短柔毛,在葉柄近基部及葉軸上部2-3對羽片著生處均有1枚腺體;小葉12-30對,無柄,小葉片狹長圓形,長0.8-1.2cm,寬2-3mm,除邊緣和下面中脈疏被短柔毛外其餘無毛,基部截形,先端急尖,中脈緊靠上側邊緣。 頭狀花序再排成頂生的圓錐花序,圓球形,連雄蕊直徑4-4.5cm,有花10-20朵;花無梗;花萼管狀,長約3mm,與花冠的外面均被茸毛,先端有5短齒;花冠綠白色,長為花萼的2倍,2/3以下管狀,裂片5,卵狀三角形;雄蕊12-16,長約3cm,基部合生成管狀;子房具短柄,無毛,花柱與雄蕊近等長,柱頭小。莢果帶形,長10-15cm,寬1.8-2.2cm,扁平,果瓣革質,無毛,有種子8-13顆。花期:4-6月。果期:6-12月。 | |
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