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資料編號: | HK-634 |
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中文名稱: | 二喬木蘭 |
學名: | Magnolia x soulangeana [找同屬植物] |
異名: | Magnolia soulangeana / Yulania x soulangeana |
英文名稱: | Saucer Magnolia |
英文別名: | Purple Magnolia |
植物科名: (APG新系統) | MAGNOLIACEAE木蘭科 [找同科植物] |
標室舊系統 | MAGNOLIACEAE木蘭科[找同科] |
生長習性: | 落葉小喬木 |
原生/外來: | 外來植物 |
圖片花色: | pink |
特別特徵: | 常見植物 |
資料更新: | 20220907 12:36:47 pm |
備註: 標室別名:紫玉蘭 (避免混淆紫玉蘭_辛夷 Yulania liliiflora, 應取消別名) 二喬木蘭」乃「玉蘭」與「紫玉蘭」的雜交種 據書講紫玉蘭的外輪花被片淡綠色, 呈萼片狀; 而二喬木蘭是小喬木, 外輪花被片則呈花瓣狀, 淡紅色或深紅色, 外輪花被片約為內輪的2/3長. 不過老實說, "x"代表雜交品種, 花卉是用來買賣的"貨物", 故我大膽假設公園內看到的99.9%是二喬木蘭, even 樹牌標註是紫玉蘭, 況且今日玉堂春已等同玉蘭或白玉蘭; 紫玉蘭亦已等同二喬木蘭. 二喬木蘭/紫玉蘭/玉堂春的幼枝條必有明顯皮孔 Thanks Edmond Wong's information Kimmy Li info: 二喬木蘭花辦內面是白色,紫玉蘭內、外都是紫紅色。 二喬木蘭是玉蘭及紫玉蘭的天然雜交種,所以學名中間有x. 此花常與紫玉蘭混淆,此花托葉痕約佔葉柄全長約三份一,是內層花瓣的三份二,此株是喬木,有明顯主幹. 而紫玉蘭為灌木,沒明顯主幹,托葉痕佔葉柄全長約三份二. 二喬木蘭:喬木,有明顯主幹;是內層花瓣的三份二;花托葉痕約佔葉柄全長約三份一 紫玉蘭:灌木,沒明顯主幹;內外層花瓣均長;托葉痕佔葉柄全長約三份二 Thanks Daniel Hang's info FoHK Flowering Period: Feb-Mar Deciduous small tree落葉小喬木, 6–10 m tall; twigs glabrous. Stipular scars about 1/3 the length of petioles. Petioles 1–1.5 cm, pubescent. Leaves obovate, 6 –15 × 4 –7.5 cm, papery, base cuneate, gradually narrowed, apex short acute, adaxially remaining with hairs along midvein at base, abaxially ± pubescent; lateral veins 7–9 on each side of midvein. Flowers appearing before leaves, pale red to dark red; tepals 6 –9, the outer 3 usually one third shorter than the inner ones; stamens 1–1.2 cm, anthers ca. 6 mm, dehiscing laterally, connectives exserted and forming a mucro; gynoecium glabrous, cylindrical, ca. 1.5 cm. Aggregate fruit ca. 8 × 3 cm; follicles ovoid or obovoid, 1–1.5 cm, black when mature, white-lenticeled; seeds dark brown, broadly obovate or obovate, compressed laterally. | |
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