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原標(biāo)題：欧美老妇与小伙子作爱

　　蜘??(zhi)蛛??(zhu)抱?(bao)蛋?(dan)屬??(shu)隸??(li)屬??(shu)于??(yu)天??(tian)門??(men)冬??(dong)科??(ke)??，現(xiàn)??(xian)已??(yi)知??(zhi)240余??(yu)種?(zhong)??，分??(fen)布??(bu)于??(yu)亞??(ya)洲??(zhou)東??(dong)部??(bu)的??(de)亞??(ya)熱??(re)帶??(dai)和??(he)熱??(re)帶??(dai)地??(di)區(qū)??(qu)?。??中??(zhong)國(guó)??(guo)是??(shi)該??(gai)屬??(shu)植??(zhi)物??(wu)種??(zhong)類??(lei)最??(zui)豐??(feng)富??(fu)的??(de)國(guó)??(guo)家??(jia)??，其??(qi)中??(zhong)廣?(guang)西??(xi)是??(shi)中?(zhong)國(guó)??(guo)分??(fen)布??(bu)種??(zhong)類??(lei)最??(zui)多??(duo)的??(de)省?(sheng)區(qū)??(qu)?。當(dāng)??(dang)前??(qian)??，廣??(guang)西??(xi)植??(zhi)物??(wu)研??(yan)究?(jiu)所??(suo)已??(yi)發(fā)??(fa)表?(biao)63個(gè)??(ge)新??(xin)分??(fen)類??(lei)群??(qun)??！　?jù)??(ju)了??(le)解?(jie)??，蜘??(zhi)蛛??(zhu)抱??(bao)蛋??(dan)屬??(shu)是??(shi)單??(dan)子??(zi)葉??(ye)植??(zhi)物??(wu)中??(zhong)屬?(shu)內(nèi)??(nei)種??(zhong)間??(jian)花?(hua)部??(bu)結(jié)??(jie)構(gòu)?(gou)多??(duo)樣??(yang)性??(xing)最??(zui)為?(wei)豐??(feng)富??(fu)的??(de)類??(lei)群??(qun)之?(zhi)一??(yi)??，不??(bu)僅??(jin)具??(ju)備??(bei)重??(zhong)要??(yao)的??(de)科??(ke)學(xué)??(xue)研??(yan)究??(jiu)價(jià)?(jia)值??(zhi)??，在??(zai)園??(yuan)林??(lin)綠??(lv)化??(hua)、觀??(guan)賞??(shang)花??(hua)卉??(hui)培??(pei)育??(yu)以??(yi)及??(ji)藥??(yao)用??(yong)經(jīng)??(jing)濟(jì)??(ji)等?(deng)領(lǐng)??(ling)域??(yu)??，也??(ye)有??(you)著??(zhe)廣??(guang)泛??(fan)的??(de)應(yīng)??(ying)用?(yong)前??(qian)景??(jing)?。??。