該(gai)品種(zhong)為(wei)小彼岸(豆櫻與江戶(hu)彼岸的雜交種(zhong))與其他櫻花(hua)(hua)的三倍體雜交種(zhong)。該(gai)品種(zhong)為(wei)櫻花(hua)(hua)中較(jiao)少的小彼岸類秋天到春(chun)(chun)天不斷(duan)開花(hua)(hua)的重瓣品種(zhong)。秋花(hua)(hua)小;春(chun)(chun)花(hua)(hua)大,花(hua)(hua)柄長。
落葉(xie)小(xiao)喬木,高(gao)6—10米(mi)(mi),樹形(xing)(xing)(xing)(xing)瓶形(xing)(xing)(xing)(xing),樹皮灰(hui)棕色(se)。嫩枝多斜(xie)上(shang)(shang)毛(mao)。成葉(xie)長3.5—5.5厘(li)米(mi)(mi),寬2—2.5厘(li)米(mi)(mi),長橢(tuo)圓形(xing)(xing)(xing)(xing)至長橢(tuo)圓狀(zhuang)(zhuang)倒卵形(xing)(xing)(xing)(xing)。先端漸尖(jian),基(ji)部(bu)鈍形(xing)(xing)(xing)(xing)。鋸(ju)齒(chi)(chi)為尖(jian)銳的(de)(de)重(zhong)鋸(ju)齒(chi)(chi)或單(dan)鋸(ju)齒(chi)(chi)。葉(xie)兩(liang)面(mian)有(you)(you)毛(mao),背面(mian)葉(xie)脈上(shang)(shang)毛(mao)多。葉(xie)柄(bing)長1厘(li)米(mi)(mi),葉(xie)柄(bing)斜(xie)上(shang)(shang)毛(mao)多。葉(xie)身基(ji)部(bu)生有(you)(you)2個有(you)(you)短柄(bing)的(de)(de)蜜(mi)腺。托葉(xie)線性。花(hua)序傘(san)形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)。花(hua)柄(bing)、小(xiao)花(hua)柄(bing)斜(xie)上(shang)(shang)毛(mao)多。內側(ce)鱗片(pian)的(de)(de)外面(mian)先端有(you)(you)毛(mao)。萼(e)筒(tong)壺形(xing)(xing)(xing)(xing),上(shang)(shang)部(bu)弱收縮。萼(e)片(pian)下半部(bu)有(you)(you)鋸(ju)齒(chi)(chi),或有(you)(you)緣毛(mao)。外面(mian)下半部(bu)有(you)(you)毛(mao)。花(hua)瓣(ban)10—16個,線狀(zhuang)(zhuang)長橢(tuo)圓形(xing)(xing)(xing)(xing),淡紅(hong)色(se)至白色(se)。內側(ce)花(hua)瓣(ban),與雄蕊(rui)的(de)(de)中(zhong)間(jian)型,單(dan)片(pian)花(hua)藥(yao)殘存(cun)。雄蕊(rui)40—60個。雌蕊(rui)高(gao)于雄蕊(rui)。花(hua)柱上(shang)(shang)部(bu)光滑,下部(bu)及子房上(shang)(shang)部(bu)生有(you)(you)斜(xie)上(shang)(shang)毛(mao)。
該品種現有(you)根據花色(se)分(fen)為白色(se)的“十月櫻(ying)”,以及粉紅色(se)的“玫(mei)瑰十月櫻(ying)” Prunus subhirtella cv. Autumnalis Rosea,除花色(se)區別(bie)外,其他沒有(you)明顯(xian)區別(bie),國內除個別(bie)地(di)方,多數未作區分(fen)。
中(zhong)輪(lun)花,開八(ba)(ba)重(zhong)(zhong),淡(dan)紅(hong)色(se),一年開兩次花,3月(yue)下旬4月(yue)上旬及10~12月(yue),非(fei)常珍貴。是(shi)彼(bi)岸櫻系列的栽培品種,江戶末期(1800年代)就已(yi)廣(guang)泛栽植(zhi)。十月(yue)櫻是(shi)八(ba)(ba)重(zhong)(zhong)櫻,同時(shi)開花的福花早(zao)櫻也是(shi)八(ba)(ba)重(zhong)(zhong)櫻。