ebook img

Clematis flavidonitida, a New Species of Ranunculaceae from Mexico PDF

2013·4 MB·
Save to my drive
Quick download
Download
Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.

Preview Clematis flavidonitida, a New Species of Ranunculaceae from Mexico

植 物 分 类 与 资 源 学 报 ꎬ36 ( ):   2014 2 161~162 Plant Diversity and Resources :                                     DOI 10.7677/ynzwyj201413089 黄绒铁线莲ꎬ 墨西哥毛茛科一新种 王文采 中国科学院植物研究所系统与进化植物学国家重点实验室 北京 ( ꎬ   100093) 摘要: 描述了自墨西哥发现的一个属于铁线莲属单性铁线莲组新种 黄绒铁线莲 并给出了与近缘种硕齿 ꎬ ꎬ 铁线莲的区别特征 ꎮ 关键词: 毛茛科 铁线莲属 新种 墨西哥 ꎻ ꎻ ꎻ 中图分类号: 文献标识码: 文章编号: Q949              A              2095-0845(2014)02-161-02 Clematis flavidonitida a New Species of Ranunculaceae from Mexico ꎬ WANG Wen ̄Tsai StateKeyLaboratoryofSystematicandEvolutionaryBotany InstituteofBotany ( ꎬ ꎬ ChineseAcademyofSciences ꎬBeijing100093ꎬChina) Abstract Clematis C flavidonitida Aspidanthera Dioicae : A species of the genus ꎬ 􀆰 ꎬ belonging to Sect. subsect. ꎬ is C grossa described asnewfromMexico. Themorphologicaldifferencesbetweenitanditscloseallyꎬ 􀆰 ꎬarediscussed. Key words Clematis : Ranunculaceaeꎻ ꎻ New speciesꎻ Mexico Clematis flavidonitida   W􀆰T.Wangꎬsp􀆰nov.Fig􀆰1. longꎬ with leaf rhachis densely yellowish ̄puberulous. Aspidanthera Dioicae [Sect. Spach subsect. Staminate thyrses singly axillaryꎬ 7-9􀆰5 cm longꎬ (Prantl) W􀆰T. Wang] 4􀆰5-5 cm broadꎬ many ̄floweredꎬ with uppermost C grossae Species nova haec est arcte affinis 􀆰 umbellate nodesꎬ peduncles 2􀆰5-3􀆰5cm longꎬ with Benth.ꎬ quae foliis 5 ̄foliolatim pinnatis vel ternatisꎬ rhachis and pedicels densely yellowish ̄puberulousꎻ foliolis majoribus plerumque cordatis vel late ovatis bracts oppositeꎬ orbicular ̄ovate or broadly ovateꎬ usque ad8􀆰5cm longis et latis margine grosse denta ̄ 0􀆰9-1􀆰4cm longꎬ 1-1􀆰5cm broadꎬ at apex obtuse tis dorso vulgo dense albo ̄sericeis differt. or roundedꎬ inconspicuously 3 ̄lobulateꎬ adaxially Woody vine. Branch 3 mm acrossꎬ shallowly puberulousꎬ abaxially yellowish ̄sericeous ̄velutinous. longitudinally 6 ̄sulcateꎬ densely yellowish ̄ puberu ̄ Staminate flower 1-1􀆰2cm in diam.: pedicel 1-1􀆰2 lous. Leaves oppositeꎬ pinnateꎬ 5 ̄foliolateꎬ 8-10 cm longꎻ sepals 4ꎬ whiteꎬ oblanceolate or narrowly cm longꎻ leaflets petiolulateꎬ paperyꎬ ovateꎬ 3􀆰5- obovateꎬ 6-8 mm longꎬ 2-2􀆰8 mm broadꎬ at apex 4􀆰6cm longꎬ 2-3 cm broadꎬ at apex acuminate or obtuseꎬ adaxially below sparsely above densely pu ̄ acuteꎬ at base truncate ̄ roundedꎬ at margin 3-5 ̄ berulousꎬ abaxially entirely densely appressed ̄pube ̄ denticulate per sideꎬ undivided or3 ̄lobulateꎬ adaxi ̄ rulousꎬ along margin narrowly velutinousꎻ stamans ally dense appressed ̄ pubescentꎬ abaxially yellow ̄ numerousꎬ 2􀆰5-6mm longꎬ glabrousꎬ with narrowly ish ̄sericeous ̄velutinousꎻ basal nerves slightly im ̄ linear filaments and oblong or narrowly oblong an ̄ pressed adaxiallyꎬ flat abaxiallyꎻ petioles 3-5􀆰5 cm thers 0􀆰8-1􀆰2mm long. Receiveddate:2013-04-17ꎬ Accepteddate: 2013-05-07 作者简介 王文采 男 研究员 中国科学院院士 从事有花植物分类学研究 : (1926-) ꎬ ꎬ ꎬ ꎮ E ̄mail:xiaobao@ibcas􀆰ac􀆰cn 植 物 分 类 与 资 源 学 报 第 卷  162                                                            36 Clematisflavidonitida Fig􀆰1  A. partofafloweringbranchꎬwithfourleavesandfourstaminatethyrsesꎻ B. sepalꎬabaxialviewꎻC. thesameasBꎬadaxialviewꎻD. twostamens. (fromholotype) Mexico Morelia     :Carretera a Pátzcuaroꎬca 3km lately pinnate and ternateꎬ and the leaflets are lar ̄ al 0 de Tiripetioꎻ matorral de Yuccaꎬ alt. 2 100 m. gerꎬ usually cordate or broadly ovateꎬ up to 8􀆰5 cm Bejuco herbáceo dioico. Flor masculina blanca. Oca ̄ long and broadꎬ at margin coarsely dentateꎬ and ab ̄ sional. 23 Oct. 1981. David H. Lorence 3769 ( ꎬ axially usually densely white ̄sericeous. holotype ꎬ PE). C grossa Acknowledgements : I am grateful to Mr. Sun Ying ̄bao for Thisspeciesisclosely related to 􀆰 Benth.ꎬ making the drawing. and from the latter differs in its 5 ̄foliolately pinnate leavesꎻ and in its ovate leaflets which are smallerꎬ Reference : 3􀆰5-4􀆰6cm longꎬ 2-3cm broadꎬ at margin dentic ̄ Clematis Aspidanthera WangWTꎬ2004. Arevisionof sect. s􀆰l. (Ra ̄ ulateꎬ and abaxially densely yellowish ̄sericeous ̄ve ̄ nunculaceae) [J]. ActaPhytotaxonomicaSinicaꎬ42(1):1— C grossa lutinous. In 􀆰 ꎬ the leaves are both 5 ̄folio ̄ 72ꎬ(2):97—135

See more

The list of books you might like

Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.