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日名為:ヤエヒガソ(也可譯為:八重彼岸、福田彼岸)
學(xué)名:Prunus×subhirtella cv. Fukubana
又名:Prunus subhirtella "Fukubana”
形態(tài)特征:
直立的落葉灌木或小喬木,樹高5—6米,生長速度中等,枝條先向上生長后向兩側(cè)開展,樹形呈傘形。樹皮灰棕色,有散布小皮孔,成年樹干有縱裂紋。嫩枝有斜上毛,幼葉綠色帶褐色,有毛。成葉線狀長橢圓形至長橢圓狀倒披針形,先端銳尖形,基部鈍形。葉緣淺細(xì)鋸齒重鋸齒,鋸齒三角形,先端尖銳,長約5—11厘米,寬約2.5—4厘米。葉基近葉柄處有1—2個(gè)腺體。葉表面主脈、葉柄上密生斜上毛。側(cè)脈11—13對。葉柄長0.9—1.3厘米。托葉線性,不分叉,單邊有裂絲。傘形狀花序2—4花。直徑1.5—2.6厘米。鱗片早落,外面密生伏毛。花柄小花柄紅紫色,密生斜上毛?;ū?/span>0.4—0.8厘米,小花柄長3—3.5厘米。萼筒壺形,下部球形,上部收縮,密被毛。萼片長橢圓狀披針形,有鋸齒外面密生毛?;ǘ浒胫匕?,開放時(shí)廣鐘狀不完全平展,花朵有點(diǎn)星形,花瓣個(gè)體形態(tài)變化多,近6—18個(gè)花瓣,長1.3厘米,寬0.7厘米,先端凹,橢圓形、長橢圓形。淡紫紅色,先端顏色濃?;ò霞t色。雄蕊同萼筒近等長,近48枚,有不完全瓣化的雄蕊呈不完全旗瓣?duì)?。雌?/span>1個(gè)少數(shù)有2個(gè),花柱的下半部有斜上毛?;ǜ鞑坑行鄙厦?,花柄,、萼筒、萼片紫紅色。
花期:3月下旬(長江下游)。
該品種由江戶彼岸與小彼岸(小彼岸為豆櫻與江戶彼岸的雜交種)雜交而成。與染井吉野同時(shí)開花,花色艷麗,枝形舒展,花枝節(jié)間短,開花繁盛。秋色葉發(fā)黃、橙色、紅色。是非常好的觀賞品種,適合庭院及景觀應(yīng)用。目前在國內(nèi)除極個(gè)別專類園有引種外基本沒有應(yīng)用。值得大量推廣應(yīng)用。但及其寒冷地區(qū),嚴(yán)冬樹枝易遭受凍害??购畢^(qū):5B(1月平均氣溫最低零下5—6度,秦皇島、北京、陽泉、長治、延安、武山以南地區(qū))
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.