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1.
华南植物的增补   总被引:1,自引:1,他引:0  
报道华南地区3种植物:山柚子科的茎花山袖(Champereiamanillanavar.longistamined)是新组合的变种,其花序和嫩叶可供蔬食;大朝科的美洲珠子草(Phyllanthusamarus)是具有药用价值的归化种;台湾核果木(Drypetesformosana)生长于珠江口东侧的海岛,为广东新纪录种。  相似文献   

2.
值得注意的中国植物   总被引:2,自引:0,他引:2  
张宏达  丘华兴   《广西植物》1999,19(3):193-196
近年为研究中国的大戟科、檀香科等科的植物,对中山大学生物系植物标本馆(SYS)、华南植物研究所标本馆(IBSC)等的标本予以重新鉴定.现将中国植物区系中一些属或种作必要的修订,增加《中国植物志》未收载的2个新记录种,处理1个新异名.  相似文献   

3.
中国算盘子属(叶下珠科)一些种的分类学处理   总被引:1,自引:0,他引:1  
姚纲  张连婕  薛彬娥 《广西植物》2017,37(5):547-553
算盘子属(Glochidion J.R.G.Forst.)是叶下珠科(Phyllanthaceae)叶下珠族(Phyllantheae)中一个分类极为困难的类群。基于广泛野外考察与馆藏标本查阅,对中国该属部分物种进行分类学处理。其中,长柱算盘子[G.khasicum(Müll.Arg.)Hook.f.]与倒卵叶算盘子(G.obovatum SieboldZucc.)在中国的分布予以排除,菲岛算盘子[G.philippicum(Cav.)C.B.Rob.]在中国被发现仅分布于台湾地区;G.bodinieri H.Lév.,G.pseudo-obscurum var.glabrum Pamp.与G.pseudo-obscurum var.lanceolatum Pamp.这三个名称被处理为湖北算盘子(G.wilsonii Hutch.)的新异名;G.vaniotii H.Lév.被排除在算盘子属外,并接受为芸香科臭常春(Orixa japonica Thunb.)的异名。另外,对G.khasicum(Müll.Arg.)Hook.f.,G.obovatum SieboldZucc.,G.philippicum(Cav.)C.B.Rob.,G.pseudo-obscurum var.lanceolatum Pamp.及G.wilsonii Hutch.这五个名称进行了后选模式的指定。  相似文献   

4.
5.
河南玉兰属一新变种   总被引:2,自引:0,他引:2  
对毛玉兰新变种Yulaniadenudata(Desr.)D.L.Fuvar.pubescensD.L.Fu,T.B.ZhaoetG.H.Tian,var.nov.进行了描述。该变种具有离生单雌蕊密被短柔毛或疏被短柔毛,果密被淡灰色细疣点特征,与玉兰原变种Y.denudata(Desr.)D.L.Fuvar.denudata具有离生单雌蕊无毛,果褐色、具白色皮孔特征相区别。  相似文献   

6.
小麦染色体组的起源与进化探讨   总被引:4,自引:0,他引:4  
陈庆富   《广西植物》1997,17(3):276-282
对小麦染色体组的起源及其进化进行了全面综述后,提出了一个新的小麦进化途径,并认为:(1)Triticummonococumvarurartu是多倍体小麦A组的原初供体,在A组进入多倍体小麦后有Tmonovarboeoticum的基因渗入;(2)B和G组的原初供体是Tspeltoides的S组,在该S组进入多倍体小麦后有两个进化方向,即S组结构分化形成G组和S组经外源染色体代换及重组等而进化成B组;(3)Tturgidum和Ttimophevi都是来自Tspeltoides为母本与Tmonovarurartu杂交后并双二倍化而形成的原初四倍体小麦(SSAA),并由它分别经遗传渗入和结构分化而成;(4)Tzhukovskyi是Ttimophevi作母本与Tmonovarboeoticum杂交并双二倍化而形成,故它具有分别来自Tmonovarurartu和Tmonovarboeoticum的两类A组;(5)Taestivum的D组来自Ttauschi;(6)无论A组、B组、D组、G组在进入多倍体小麦后均有相当分化,同时在其供体种中也有一定分化。  相似文献   

7.
本文报道寄生于金缕梅科(Hamamelidaceae)山枫香(Liquidambar formosana Hance)上小钩丝壳属的一个新变种枫香小钩丝壳贵阳变种[Uncinuliella liquidambaris(Zheng &Chen)Zheng,Chen & Z.X.Chen var.guiyangensis Wu & Wu]。  相似文献   

8.
对毛玉兰新变种Yulania denudata(Desr.)D.L.Fuvar.pubescensD.L.Fu,T.B.ZhaoetG.H.Tian,var.nov.进行了描述。该变种具有离生单雌蕊密被短柔毛或疏被短柔毛,果密被淡灰色细疣点特征,与玉兰原变种Y.denudata(Desr.)D.L.Fuvar.denudata具有离生单雌蕊无毛,果褐色、具白色皮孔特征相区别。  相似文献   

9.
After the genus Phlegmariurus (Herter)Holub was proposed by J. Holub 1964, the repercussions are different, with some botanists accepting it, while others refusing. We take it as a separate genus since the related species from China are distinctly different from those of Huperzia Bernh. The plants of this genus in China are classified into three sections: Sect. Huperzioides H. S. Kung et L. B. Zhang, sect. nov.; Sect. Carinaturus (Herter)H. S. Kung et L. B. Zhang, comb. nov. and Sect. Phlegmariurus. A key to sections is given. The taxonomy on the new section, Sect. Huperzioides, is presented. Thirteen species are reported in China, involving 4 new combinations: Ph. petiolatus (Clarke)H. S. Kung et L. B. Zhang, Ph. cryptomerianus (Maxim.)Ching, Ph. ovatifolius (Ching)W. M. Chu, Ph. nylamensis (Ching et S. K. Wu)H. S. Kung et L. B. Zhang; and 7 names are considered for the first time as synonyms: Huperzia formosana Holub [ = Ph. taiwanensis Ching ], H. austrosinica Ching [ = Ph. petiolatus ], Lycopodium mingchgense Ching [ = Ph. mincheensis Ching ], Ph. mincheensis var. angustifolius C. Y. Ma [ = Ph. mincheensis ], Ph. longyangensis C. Y. Ma [ = Ph. fordii ], Ph. nanus C. Y. Ma [ = Ph. fordii ], Ph. yandongensis Ching et C. F. Zhang [ = Ph.fordii]. One new record in China is found: Ph.hamiltonii.  相似文献   

10.
《Nordic Journal of Botany》2008,25(1-2):38-40
A new species of Drypetes , D. kwangtungensis , from the Guangdong Province in China is described and illustrated. It is morphologically very similar to D. obtusa , from which it differs by having elliptic leaves with an acute apex that is sometimes retuse. In addition, the fruits of D. kwangtungensis are obovoid and almost twice as large as those of D. obtusa.  相似文献   

11.
中国算盘子属植物(大戟科)2新记录种   总被引:1,自引:0,他引:1  
报道了2种算盘子属植物多室算盘子(Glochidion multiloculare (Rottler ex Willd.) Voigt)和南亚算盘子(Glochidion moonii Thwaites)在中国的分布新记录。  相似文献   

12.
七种药用植物的染色体研究   总被引:5,自引:1,他引:4  
杨德奎  周俊英   《广西植物》1998,18(2):115-118
对山东7种药用植物的染色体进行了研究。结果表明:田旋花(ConvolvulusarvensisL)的染色体数目为2n=78;蜜柑草(PhylanthusmatsumuraeHavata)的染色体数目为n=88;挂红灯(PhysalisalkekengiLvarfrancheti(Mast)Makino)的染色体数目为2n=24,核型公式为K(2n)=24=2m+18sm+2st+2st(sat),核型“2A”型;无剌曼陀罗(DaturastramoniumLvarinermis(Jacq)SchinzetThel)的染色体数目为2n=24,核型公式为K(2n)=24=20m+4sm,核型“1B”型;决明(CasiatoraL)的染色体数目为2n=26,核型公式为K(2n)=26=24m+2sm,核型“1A”型;荔枝草(SalviaplebeiaRBr)的染色体数目为2n=16,核型公式为K(2n)=16=6m+10sm,核型“2A”型;车前(PlantagoasiaticaL)的染色体数目为2n=36,核型公式为K(2n)=36=32m+4sm,核型“1A”型。  相似文献   

13.
在整理保存于中国科学院植物研究所中国国家植物标本馆(PE)双子叶植物模式标本时,根据《国际藻类、菌类、植物命名法规》(墨尔本法规)规则9.5,发现台湾榕(桑科)、短齿楼梯草(荨麻科)、贯叶马兜铃(马兜铃科)、唐古特扁桃(蔷薇科)、短梗稠李(蔷薇科)、长序稠李(蔷薇科)、纤细石斑木(蔷薇科)、蒙古绣线菊(蔷薇科)、细柄罗伞(紫金牛科)、台湾山矾(山矾科)、华流苏(木犀科)、三叶白蜡树(木犀科)、滇素馨(木犀科)、紫花醉鱼草(马钱科)、蒙古白前(萝藦科)、长叶微孔草(紫草科)名称的模式为合模式。遵照规则8.1、9.11和9.12,以及辅则9A.3的精神,对这16个名称做出后选模式指定。  相似文献   

14.
A new sesquiterpene lactone, drypemolundein A and a new friedelane derivative, drypemolundein B, along with seven known compounds have been isolated from the whole stems of Drypetes molunduana Pax and Hoffm. Their structures were established on the basis of one- and two-dimensional NMR, homo- and hetero-nuclear spectroscopic evidence.  相似文献   

15.
L. J. Dorr 《Kew Bulletin》2011,66(4):633-635
The correct name in Diospyros L. (Ebenaceae) for a species from Tonga first described as Maba elliptica J. R. Forst. & G. Forst. and incorrectly known as D. elliptica (J. R. Forst. & G. Forst.) P. S. Green is D. foliosa (A. Gray) Bakh. In addition to the nominate variety, six additional varieties are recognised from Fiji and Samoa. As these varieties lack names under D. foliosa, the following new combinations are proposed: D. foliosa var. elliptica (J. R. Forst. & G. Forst.) Dorr, D. foliosa var. fijiensis (Bakh.) Dorr, D. foliosa var. fructuosa (A. C. Sm.) Dorr, D. foliosa var. iridea (Fosberg) Dorr, D. foliosa var. opaca (A. C. Sm.) Dorr, and D. foliosa var. savaiiensis (Christoph.) Dorr.  相似文献   

16.
报导苏皖种子植物地理分布新记录种9 个、属3 个(全部标本存华东师范大学生物系标本室)。  相似文献   

17.
值得注意的中国植物(续)   总被引:1,自引:1,他引:0  
续报道了大戟科等 8个分类单位。大果留萼木 ( Blachia andamanica)为广东和海南的新记录 ;崖州留萼木 ( B.jatrophifolia)的新异名为 B.yaihsienensis;黄毛果巴豆 ( Croton lachynocarpusvar.kwangsiensis)是降级新组合 ;黄蓉花 ( Dalechampia bidentata)分布至云南西南部 ,D. bidentata var. yunnanensis为其新异名 ;海人树 ( Suriana maritima) ,广东省的东沙群岛才有 ,台湾不产 ;锥序丁公藤 ( Erycibe subspicata)其分布东缘在贵州西南部 ;头花小牵牛 ( Jacquemontia tamnifolia) ,广东的归化杂草 ;松下草 ( Petrosavissinii) ,广东新记录  相似文献   

18.
Based on morphological and palynological comparisons, three names, viz., Glochidion mishmiense Hook. f., G. pseudo‐obscurum Pamp., and G. rubidulum Chin are reinstated. The three names have previously been reduced to synonymy of G. zeylanicum var. tomentosum (Dalzell) Trimen, G. puberum (L.) Hutch., and G. thomsonii (Muell. Arg.) Hook. f., respectively. Floral morphological characters of G. mishmiense are described here for the first time. In addition, G. mishmiense and G. pseudo‐obscurum are lectotypified, and G. mishmiense is newly recorded in China, while the record of G. thomsonii in China is rejected.  相似文献   

19.
王凌诗 《植物研究》2000,20(4):402-410
报道了东北蒿属龙蒿组10个分类群植物的核型。核型公式分别为:龙蒿(Artemisia dracunculus L.)(2n)=4x=36=28m+8sm;猪毛蒿(A. scoparia Waldst.et Kit.(2n)=2x=16=12m+4sm;盐蒿(A. halodendron Turcz.ex Bess.)(2n)=4x=36=30m+4sm+2st;光沙蒿(A. oxycephala Kitag. var. oxycephala)(2n)=4x=36=28m+6sm+2st;兴凯光沙蒿(A. oxycephala Kitag. var. xingkaiensis G.Y.Zhang)(2n)=4x=36=28m+6sm+2st;山海光沙蒿(A. oxycephala Kitag. var. shanhaiensis G.Y.Zhang)(2n)=4x=36=2M+28m+4sm+2st;太阳光沙蒿(A. oxycephala Kitag. var. taiyangensis G.Y.Zhang)(2n)=4x=36=28m+6sm+2st;柔毛蒿(A. pubescens Ledeb. var. pubescens)(2n)=4x=36=28m+6sm+2st;大头柔毛蒿(A. pubescens Ledeb. var. gebleriana(Bess.)Y.R.Lin)(2n)=4x=36=28m+6sm+2st;塔河柔毛蒿(A. pubescens Ledeb. var. taheensis G.Y.Zhang)(2n)=4x=36=28m+6sm+2st;核型类型均为2A型。  相似文献   

20.
报道广东省种子植物分布新记录8种(变种):金缕梅Hamamelis mollis Oliver、剪红纱花Lychnis senno Sieb. et Zucc.、井冈寒竹Gelidocalamus stellatus Wen、沙氏鹿茸草Monochasma savatieri Franch. ex Maxim.、黔岭淫羊藿Epimedium leptorrhizum Stearn、三腺金丝桃Triadenum breviflorum (Wall. ex Dyer) Y. Kimura、华东野核桃Juglans cathayensis Dode var. formosana (Hayata) A. M. Lu et R. H, Chang、伏生紫堇Corydalis decumbens (Thunb.) Pers.。其中,金缕梅属、剪秋罗属、三腺金丝桃属为广东新记录属。  相似文献   

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