該(gai)品種(zhong)為(wei)小(xiao)彼岸(豆櫻(ying)與江戶彼岸的(de)雜交(jiao)(jiao)種(zhong))與其他櫻(ying)花(hua)(hua)的(de)三倍體雜交(jiao)(jiao)種(zhong)。該(gai)品種(zhong)為(wei)櫻(ying)花(hua)(hua)中較(jiao)少的(de)小(xiao)彼岸類秋(qiu)天到(dao)春天不斷開花(hua)(hua)的(de)重瓣品種(zhong)。秋(qiu)花(hua)(hua)小(xiao);春花(hua)(hua)大,花(hua)(hua)柄長。
落葉小喬(qiao)木,高(gao)6—10米,樹(shu)形(xing)(xing)(xing)瓶形(xing)(xing)(xing),樹(shu)皮灰(hui)棕色。嫩枝(zhi)多斜(xie)上(shang)毛(mao)(mao)。成(cheng)葉長3.5—5.5厘米,寬2—2.5厘米,長橢(tuo)圓形(xing)(xing)(xing)至長橢(tuo)圓狀倒卵形(xing)(xing)(xing)。先端漸(jian)尖(jian),基部(bu)鈍形(xing)(xing)(xing)。鋸(ju)齒(chi)為尖(jian)銳的重鋸(ju)齒(chi)或單鋸(ju)齒(chi)。葉兩面有(you)(you)毛(mao)(mao),背面葉脈上(shang)毛(mao)(mao)多。葉柄(bing)(bing)長1厘米,葉柄(bing)(bing)斜(xie)上(shang)毛(mao)(mao)多。葉身(shen)基部(bu)生有(you)(you)2個有(you)(you)短柄(bing)(bing)的蜜腺。托葉線(xian)性。花(hua)(hua)序傘(san)形(xing)(xing)(xing)狀。花(hua)(hua)柄(bing)(bing)、小花(hua)(hua)柄(bing)(bing)斜(xie)上(shang)毛(mao)(mao)多。內側(ce)鱗片(pian)的外面先端有(you)(you)毛(mao)(mao)。萼筒壺形(xing)(xing)(xing),上(shang)部(bu)弱收(shou)縮。萼片(pian)下(xia)半部(bu)有(you)(you)鋸(ju)齒(chi),或有(you)(you)緣毛(mao)(mao)。外面下(xia)半部(bu)有(you)(you)毛(mao)(mao)。花(hua)(hua)瓣10—16個,線(xian)狀長橢(tuo)圓形(xing)(xing)(xing),淡(dan)紅色至白色。內側(ce)花(hua)(hua)瓣,與雄蕊(rui)的中間型,單片(pian)花(hua)(hua)藥殘存。雄蕊(rui)40—60個。雌蕊(rui)高(gao)于雄蕊(rui)。花(hua)(hua)柱上(shang)部(bu)光滑,下(xia)部(bu)及子房上(shang)部(bu)生有(you)(you)斜(xie)上(shang)毛(mao)(mao)。
該品種(zhong)現(xian)有(you)根據花(hua)色分為白(bai)色的(de)“十(shi)月櫻”,以及粉紅色的(de)“玫(mei)瑰(gui)十(shi)月櫻” Prunus subhirtella cv. Autumnalis Rosea,除(chu)花(hua)色區別(bie)(bie)(bie)外,其他沒(mei)有(you)明顯區別(bie)(bie)(bie),國內除(chu)個別(bie)(bie)(bie)地方,多數未作區分。
中輪(lun)花(hua)(hua),開(kai)(kai)八(ba)重,淡紅(hong)色,一(yi)年開(kai)(kai)兩次花(hua)(hua),3月下旬4月上旬及10~12月,非常珍貴。是(shi)彼(bi)岸櫻(ying)(ying)(ying)(ying)系列的栽培品(pin)種(zhong),江戶末期(1800年代)就已廣泛栽植。十月櫻(ying)(ying)(ying)(ying)是(shi)八(ba)重櫻(ying)(ying)(ying)(ying),同時(shi)開(kai)(kai)花(hua)(hua)的福(fu)花(hua)(hua)早櫻(ying)(ying)(ying)(ying)也是(shi)八(ba)重櫻(ying)(ying)(ying)(ying)。