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1.
本文报道了寄生在旌节花科植物上的二个小煤炱科新种。它们是(1)旌节花附丝壳(Appendiculella stachyuri Y.X.Hu et B.Song sp.nov.);(2)旌节花小光壳炱(Asteridie-lla stachyuri Y.S.Ouyang et B.Song sp.nov.)。旌节花科分布于东亚,是小煤炱菌寄主的世界新记录。新种有拉丁文和汉文描述。模式标本存放在广东省微生物研究所(GDIM)。  相似文献   

2.
卢元  黎斌  张莹  李思锋 《西北植物学报》2015,35(5):1066-1068
报道了陕西省植物分布新记录2种1亚种。新记录种分别是梨序楼梯草(Elatostema ficoides Wedd.)和粉叶栒子(Cotoneaster glaucophyllus Franch.),新记录亚种是藤山柳原亚种[Clematoclethra scandens(Franch.)Maxim.subsp.scandens]。  相似文献   

3.
旌节花科植物上的二个小煤炱科新种   总被引:1,自引:1,他引:0  
欧阳友生  宋斌 《真菌学报》1993,12(4):265-270
本文报道了寄生在旌节花科植物上的二个小煤炱科新种,它们是(1)旌节花附丝壳。(2)旌节花小光壳炱。旌节花科分布于东亚,是小煤炱菌寄主的世界新记录。新种有拉丁文和汉文描述。模型标本存放在广东省微生物研究所。  相似文献   

4.
本研究首次发现西藏新记录属云实属(Caesalpinia Linn.)植物——见血飞(Caesalpinia cucullata Roxb.),另外报道了11个新记录种和2个变种:瓶尔小草科(Ophioglossaceae)薄叶阴地蕨(Botrychium daucifolium Wall.),凤尾蕨科(Pteridaceae)华中凤尾蕨(Pteris kiuschiuensis var.centrochinensis ChingS.H.Wu),毛茛科(Ranunculaceae)尾叶铁线莲(Clematis urophylla Franch.),椴树科(Tiliaceae)刺蒴麻(Triumfetta rhomboidea Jacq.),锦葵科(Malvaceae)拔毒散(Sida szechuensis Matsuda),中华地桃花[Urena lobata var.chinensis(Osbeck)S.Y.Hu],柳叶菜科(Onagraceae)草龙[Ludwigia hyssopifolia(G.Don)Exell]、卵叶丁香蓼(Ludwigia ovalis Miq.),唇形科(Lamiaceae)小鱼仙草[Mosla dianthera(Buch.-Ham.)Maxim.],玄参科(Scrophulariaceae)石龙尾[Limnophila sessiliflora(Vahl)Bl.],爵床科(Acanthaceae)白接骨[Asystasia neesiana(Wall.)Nees],桔梗科(Campanulaceae)卵叶半边莲(Lobelia zeylanica Linn.),天南星科(Araceae)百足藤[Pothos repens(Loureiro)Druce]。研究结果进一步丰富了西藏的植物区系,并为研究与相邻地区植物区系的联系增加了新内容。  相似文献   

5.
中国旌节花科植物的研究   总被引:2,自引:0,他引:2  
旌节花科(Stachyuraceae)最早由P.F.Siebold和J.G.Zuccrini根据日本植物Stahyurus Praecox Sieb.et Zucc.(Fl.Jap.1:43.1835)建立旌节花属(StachyurusSieb.et Zucc.),放在海桐花科(Pittosporaceae)中;G.Bentham于1861年将它移入山茶科Ternstroemiaceae中,但由于与这两个科的差别太大,E.Gilg于1893年又从山茶科Ternstroemiaceae中移出,建立了单属科旌节花科(Stachyuraceae),直到这次整理之前仅有14种4变种,经整理又增加2新种4变种,共计16种8变种。我国有11种7变种。  相似文献   

6.
东北地区位于我国东北部,共有维管束植物164科928属3 103种。根据野外调查结果及相关资料,报道了东北地区草本植物1个新记录科—粟米草科(Molluginaceae)和3个新记录属—粟米草属(Mollugo L.)、牛膝属(Achyranthes L.)和秃疮花属(Dicranostigma Hook. f. et Thoms.),以及对应的3个新纪录种—粟米草(Mollugo stricta L.)、牛膝(Achyranthes bidentata Blume)和秃疮花[Dicranostigma leptopodum(Maxim.) Fedde]。新记录种凭证标本保存于大连自然博物馆植物标本室。这些新记录草本植物的发现,对东北地区生物多样性的研究具有重要意义,为其在我国的地理分布研究提供了新资料。  相似文献   

7.
报道我国3个省5种海桐花属植物的新分布种,其中四川分布新记录是尖萼海桐Pittosporum subulisepalum Hu etF.T.Wang:云南分布新记录是管花海桐Ptubiflorum H.T.Chang & S.Z.Yah、光叶海桐P.glabratum Lindley和海金子Pillicioides Makino:广东分布新记录是木果海桐Pxylocarpum Hu & F.T.Wang。  相似文献   

8.
本文报道尾孢菌属五个新种,即美人蕉尾孢(Cercospora cannae Bai,Liu et Guo,sp.nov.),败酱尾孢(C.patriniae Liu et Guo,sp.nov.),骆驼蓬尾孢(C.pegani Liu et Guo,sp.nov.),旌节花尾孢(C.stachyuricola Liu et Guo,sp.nov.)和安息香尾孢(C.styracicola Liuet Guo,sp.nov.)。文中对各个新种作了汉文描述和附图,并有拉丁文特征简介。模式标本收藏于中国科学院真菌标本室。  相似文献   

9.
报道了叶下珠科算盘子属4种植物在中国6个省区的分布新记录,其中贵州分布新记录有圆果算盘子[Glochidion sphaerogynum (Müll. Arg.) Kurz],广东分布新记录有宽果算盘子(G. oblatum Hook. f.)和台闽算盘子(G. rubrum Blume),海南和广西分布新记录有宽果算盘子,湖南分布新记录有湖北算盘子(G. wilsonii Hutch.),浙江分布新记录有台闽算盘子。  相似文献   

10.
西域旌节花的雌雄配子体发育及其系统学启示   总被引:1,自引:1,他引:0  
研究西域旌节花(Stachyurus himalaicus Hook.f.et Thoms.ex Benth)雌雄配子体的形成和发育过程,并与“近缘”类群(山茶科,猕猴桃科,山柳科,省沽油科,堇菜科,金缕梅科和Crossomataceae等)的胚胎学特征进行了比较,西域旌节花主要胚胎学特征可概括为:四囊型花药,药壁形成方式为基础型,花药壁由表皮,药室内壁,2-3层中层和绒毡层组成,药室内壁纤维质加厚,腺质绒毡层,小孢子母细胞减数分裂为同时型,小孢子四分体呈四面体形排列,花粉散发时为二细胞,胚珠倒生,双珠被,厚珠心,珠孔由内,外珠被构成,具珠心冠和承珠盘,蓼型胚囊,从目前可资利用的雌雄配子体形成和发育的资料来看,旌节花科与堇菜科最为接近,与金缕梅科的关系值得注意,而与山柳科和猕猴桃科以及山茶科的关系相对疏远,胚胎学证据不支持Nandi等(1998)揭示的旌节花科与Crossosomataceae的姐妹群关系,但他们的分析结果在某种程度上仍然得到了胚胎学证据的支持。  相似文献   

11.
报道了《秦岭植物志》遗漏的26种(含3个种下分类群)植物,26种植物分属于17属,13科。其中大血藤科(Sargentodoxaceae)和铁青树科(Olacaceae)为遗漏科,大血藤科的大血藤属(Sargentodoxa)、铁青树科的青皮木属(Schoepfia)、五味子科的南五味子属(Kadsura)、樟科的黄肉楠属(Actinodaphne)和虎耳草科的钻地风属(Schizophragma)为遗漏属。  相似文献   

12.
Cyclotides are disulfide-rich plant proteins that are exceptional in their cyclic structure; their N and C termini are joined by a peptide bond, forming a continuous circular backbone, which is reinforced by three interlocked disulfide bonds. Cyclotides have been found mainly in the coffee (Rubiaceae) and violet (Violaceae) plant families. Within the Violaceae, cyclotides seem to be widely distributed, but the cyclotide complements of the vast majority of Violaceae species have not yet been explored. This study provides insight into cyclotide occurrence, diversity and biosynthesis in the Violaceae, by identifying mature cyclotide proteins, their precursors and enzymes putatively involved in their biosynthesis in the tribe Rinoreeae and the genus Gloeospermum. Twelve cyclotides from two Panamanian species, Gloeospermum pauciflorum Hekking and Gloeospermum blakeanum (Standl.) Hekking (designated Glopa A-E and Globa A-G, respectively) were characterised through cDNA screening and protein isolation. Screening of cDNA for the oxidative folding enzymes protein-disulfide isomerase (PDI) and thioredoxin (TRX) resulted in positive hits in both species. These enzymes have demonstrated roles in oxidative folding of cyclotides in Rubiaceae, and results presented here indicate that Violaceae plants have evolved similar mechanisms of cyclotide biosynthesis. We also describe PDI and TRX sequences from a third cyclotide-expressing Violaceae species, Viola biflora L., which further support this hypothesis.  相似文献   

13.
Viola muliensis Y.S. Chen & Q.E. Yang, a new species of Viola L. (Violaceae) from Sichuan, China, is described and illustrated. Viola muliensis is endemic to Muli County, south-western Sichuan. This new species has yellow flowers with very short spurs and belongs to subsection Brevicalcaratae W. Beck., section Dischidium Ging. It is distinguished from other related species by having pedatipartite leaves.  © 2005 The Linnean Society of London, Botanical Journal of the Linnean Society , 2005, 149 , 365–368.  相似文献   

14.
15.
A new species of Viola (Violaceae) from north-western Yunnan, China, is described and illustrated. Viola dimorphophylla Y. S. Chen & Q. E. Yang sp. nov. is endemic to Zhongdian County, north-western Yunnan, and is very easily distinguishable from all other Chinese species of the genus by having obviously dimorphic leaves, with the basal ones being long petiolate, undivided and widely cordate, and the cauline ones sessile, linear and verticillate.  © 2005 The Linnean Society of London, Botanical Journal of the Linnean Society , 2005, 149 , 115–119.  相似文献   

16.
林祁  赵燃  班勤 《广西植物》2002,22(1):4-6
报道了槭树科、漆树科、大戟科、清风藤科、无患子科、苦木科共 1 8种植物在我国 1 3个省区中的分布新记录。其中福建分布新记录的植物有山地五月茶 ,甘肃分布新记录的有鸡爪槭 ,广东、江苏和云南分布新记录的有湖北算盘子 ,广西分布新记录的有五尖槭和滇赤才 ,贵州分布新记录的有甜叶算盘子 ,河南分布新记录的有红叶野桐 ,湖南分布新记录的有狭序泡花树 ,江西分布新记录的有长柄槭、柳叶五月茶和黑面神 ,陕西分布新记录的有川滇无患子 ,四川分布新记录的有伞花木 ,西藏分布新记录的有五裂槭、中华槭、藤漆、小花清风藤和柔毛鸦胆子  相似文献   

17.
对堇菜科堇菜属Viola的两个种进行了组合。认为过去在东南亚植物文献上记载的Viola curvistylis实为我国云南、海南等地产的云南堇菜V.yunnanensis,前者为后者的异名;而我国文献上记载的光叶堇菜V.hossei实为东南亚分布的V.sumatrana,前者为后者的异名。文中引用的标本全部存放于邱园(Kew)标本馆。  相似文献   

18.
Bioassay guided purification of the ethanolic extract of the bark of New Caledonian Pittosporum pancheri Brongn. and Gris (Pittosporaceae) led to the isolation and characterization of two new farnesyl monoglycosides, pancherins A and B. The structure of these compounds were determined on the basis of spectroscopic studies. The new compounds displayed a significant activity in the in vitro cytotoxic assay against KB cancer cell line, and pancherin A inhibits weakly farnesyl protein transferase.  相似文献   

19.
Ridley GS  Ramsfield TD 《Mycologia》2005,97(6):1362-1364
Elsinoe takoropuku sp. nov. is described from Pittosporum tenuifolium Sol. ex Gaertn. (Pittosporaceae). This species causes swelling to develop on the twigs of the host species. The species initially was thought to be a recent introduction to New Zealand but, based on the host association and the geographic range of the fungus in New Zealand, it is considered to be a newly described native species.  相似文献   

20.
The non-volatile constituents of the rare species Viola etrusca Erben (Violaceae), collected at Mount Amiata, Italy, were phytochemically investigated for the first time. Two new flavonoid glycosides, 4'-methoxyrhamnetin (1) and violetruscoside (2), an isorhamnetin derivative, were isolated from the flowering aerial parts, together with eleven known substances, including eight flavonoids, a phenolic acid, glycerin, and a coumarin derivative. The NMR data of violanthin (10) and isoviolanthin (11) are reported for the first time.  相似文献   

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