福花早樱
日名为:ヤエヒガソ(也可译为:八重彼岸、福田彼岸)
学名:Prunus×subhirtella cv. Fukubana
又名:Prunus subhirtella "Fukubana”
形态特征:
直立的落叶灌木或小乔木,树高5—6米,生长速度中等,枝条先向上生长后向两侧开展,树形呈伞形。树皮灰棕色,有散布小皮孔,成年树干有纵裂纹。嫩枝有斜上毛,幼叶绿色带褐色,有毛。成叶线状长椭圆形至长椭圆状倒披针形,先端锐尖形,基部钝形。叶缘浅细锯齿重锯齿,锯齿三角形,先端尖锐,长约5—11厘米,宽约2.5—4厘米。叶基近叶柄处有1—2个腺体。叶表面主脉、叶柄上密生斜上毛。侧脉11—13对。叶柄长0.9—1.3厘米。托叶线性,不分叉,单边有裂丝。伞形状花序2—4花。直径1.5—2.6厘米。鳞片早落,外面密生伏毛。花柄小花柄红紫色,密生斜上毛。花柄0.4—0.8厘米,小花柄长3—3.5厘米。萼筒壶形,下部球形,上部收缩,密被毛。萼片长椭圆状披针形,有锯齿外面密生毛。花朵半重瓣,开放时广钟状不完全平展,花朵有点星形,花瓣个体形态变化多,近6—18个花瓣,长1.3厘米,宽0.7厘米,先端凹,椭圆形、长椭圆形。淡紫红色,先端颜色浓。花苞紫红色。雄蕊同萼筒近等长,近48枚,有不完全瓣化的雄蕊呈不完全旗瓣状。雌蕊1个少数有2个,花柱的下半部有斜上毛。花各部有斜上毛,花柄,、萼筒、萼片紫红色。
花期:3月下旬(长江下游)。
该品种由江户彼岸与小彼岸(小彼岸为豆樱与江户彼岸的杂交种)杂交而成。与染井吉野同时开花,花色艳丽,枝形舒展,花枝节间短,开花繁盛。秋色叶发黄、橙色、红色。是非常好的观赏品种,适合庭院及景观应用。目前在国内除极个别专类园有引种外基本没有应用。值得大量推广应用。但及其寒冷地区,严冬树枝易遭受冻害。抗寒区:5B(1月平均气温最低零下5—6度,秦皇岛、北京、阳泉、长治、延安、武山以南地区)
Common Name: Flowering Cherry Tree
Latin Name: Prunus x subhirtella 'Fukubana'
Soil: Tolerates most soil types
Position: Full sun
Flowering period/colour: March /Semi-double rose pink flowers.
Hardiness: Fully hardy
Height/ spread in 10 years:2.5m/2.5m
Special features: One of the most stunning of all early spring flowering cherries. (Deciduous)
Prunus x subhirtella 'Fukubana' is a very striking tree with a profusion of semi-double, rose madder flowers. This is one of the most stunning of all early spring flowering cherries. This makes a great specimen tree for smaller gardens. This tree was originally brought in fromCaliforniain 1928 by Captain Collingwood Ingram.