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1.
José Luis Vivaldi 《Brittonia》1984,36(3):330-332
Malpighia romeroana var.nayaritensis is described from Nayarit, México, andM. albiflora subsp.antillana andM. nummulariifolia subsp.oblongifolia from the West Indies. 相似文献
2.
Steven R. Hill 《Brittonia》1980,32(4):464-483
The genusMalvastrum A. Gray is interpreted to include 22 taxa in 14 species. Seven taxa are here described as new, namely:M. americanum var.stellatum,M. tomentosum subsp.pautense,M. bicuspidatum subsp.campanulatum,M. bicuspidatum subsp.oaxacanum, M. bicuspidatum subsp.tumidum var.tumidum, M. bicuspidatum subsp.tumidum var.glabrum, andM. coromandelianum subsp.fryxellii. In addition, two new combinations are proposed, namely:M. tomentosum andM. coromandelianum subsp.capitato-spicatum. 相似文献
3.
Rupert C. Barneby 《Brittonia》1984,36(2):167-173
One new species,Astragalus tiehmii, and two new varieties,A. convallarius var.margaretae andA. oophorus var.lavinii, are described from Nevada; the relationships of each are discussed and the first is illustrated. Two new combinations,A. eurylobus (Barneby) Barneby andA. serenoi var.shockleyi (M. E. Jones) Barneby are proposed and defended. A new species,A. bryogenes, is described from high Andean Peru (Junín). 相似文献
4.
Two new monotypic genera,Didonica andUtleya, are described, withD. pendula from Panama andU. costaricensis from Costa Rica.Disterigma trimera (Panama),D. utleyorum (Costa Rica, Panama, Colombia, and Ecuador),Lateropora santafeensis (Panama),Lysiclesia panamensis (Panama),Macleania talamancensis (Costa Rica),Themistoclesia costaricensis (Costa Rica) andT. horquetensis (Panama),Vaccinium costaricense andV. orosiense (both from Costa Rica) and V.jefense (Panama) are all described as new. New combinations are provided for the PanamanianVaccinium floccosum (=Symphysia floccosa) and the West IndianVaccinium racemosum (=Symphysia racemosa). Keys are provided for the Central American species ofDisterigma andThemistoclesia, the species ofLateropora andLysiclesia, and the Costa Rican and Panamanian species ofVaccinium. Six new species are illustrated. 相似文献
5.
Edward E. Terrell 《Brittonia》1979,31(1):164-169
Two new species are described:Houstonia butterwickiae from Texas andH. teretifolia from Mexico, and two new combinations are made:H. acerosa subsp.polypremoides andH. mullerae. 相似文献
6.
Sandra Knapp 《Brittonia》1986,38(3):273-301
Fourteen new species ofSolanum sectionGeminata are described and illustrated. Eight of these,S. erosomarginatum, S. foetens, S. lasiocladum, S. lucens, S. ombrophilum, S. tanysepalum, S. tenuiflagellatum, andS. turgidum are from Venezuela.Solanum cucullatum andS. bellum are from Ecuador,S. abitaguense from Ecuador and northeastern Peru,S. amnicola andS. yanamonense from eastern Peru, andS. mapiricum from eastern Bolivia. Relationships of each of the species to others in its geographical area are discussed. Chromosome numbers are reported for ten of these new species. 相似文献
7.
Tetsuo Koyama 《Brittonia》1979,31(2):284-293
Seven Thai species of Cyperaceae are taxonomically discussed, and references are made to two related Vietnamese species. Described as new areEleocharis macrorrhiza,Fimbristylis parvilenta,F. subtricephala (from Vietnam) andSchoenus smitinandii. New combinations made areBolboschoenus maritimus subsp.affinis. Diplacrum exiguum (from Vietnam),Rhynchospora hirticeps andSchoenoplectus annamicus. 相似文献
8.
Noel H. Holmgren 《Brittonia》1979,31(2):217-242
Four new species,Penstemon janishiae,P. barnebyi,P. mucronatus andP. patricus, and three new varieties,P. dolius var.duchesnensis. P. angustifolius var. vernalensis andP. acuminatus var.latebracteatus, all from the Intermountain Region, are described, illustrated and mapped, and relationships with next of kin are discussed. 相似文献
9.
The following new taxa are recognized inArceuthobium: subgeneraArceuthobium andVaginata; sectionsVaginata, Campylopoda, andMinuta; seriesCampylopoda,Rubra, andStricta; speciesA. apachecum,A. californicum,A. guatemalense,A. hondurense, andA. pini; new formae spécialesA. abietinum f. sp.concoloris,A. abietinum f. sp.magnificae. New combinations:A. abietinum (Engelm.) Hawksworth & Wiens, andA. microcarpum (Engelm.) Hawksworth & Wiens. 相似文献
10.
Four new species of Asteraceae are described from Peru:Dasyphyllum brevispinum andOnoseries chrysactinioides (Mutisieae), andGynoxys congestiflora andSenecio miniauritus (Senecioneae). These species are described, illustrated, and their relationships discussed. 相似文献
11.
James L. Luteyn 《Brittonia》1978,30(4):426-439
Thibaudia dudleyi var.dudleyi and var.pseudostellata,Demosthenesia cordifolia,D. oppositifolia, andD. vilcabambensis from the Cordillera Vilcabamba, andCavendishia sirensis from the Cerros del Sira in eastern Peru are described and illustrated. The Cordillera Vilcabamba seems to be the center of distribution for the genusDemosthenesia. 相似文献
12.
Frank White 《Brittonia》1979,31(4):480-482
A conspectus of the subgenera and sections ofMagnistipula is provided. Of the two subgenera occurring on the African mainland, subgenusMagnistipula is divided into the sectionsMagnistipula,Animalculum andPeregrinator, whereas subgen.Pellegriniella is monotypic. A Malagasy subgenus,Tolmiella, is new; its two species,M. cerebriformis andM. tamenaka, are transferred fromHirtella. 相似文献
13.
Ghillean T. Prance 《Brittonia》1971,23(4):438-445
Five species from Amazonia are described as new and illustrated:Sagittaria purusana Prance (Alismataceae),Coimarus wurdackii Prance (Connaraceae),Anthodiscus klugii Standley ex Prance (Caryocaraceae), andAnacampta pendula Markgraf andAmbelania longiloba Markgraf, the latter two members of the Apocynaceae. 相似文献
14.
Henrik Balslev 《Brittonia》1983,35(3):302-308
Juncus arequipensis andJ. breviculmis are described as new species, andJ. ramboi subsp.colombianus as a new subspecies.Juncus arcticus Willd. var.mexicanus (Willd.), var.montanus (Engelm.), and var.andicola (Hook.) are proposed as new combinations. 相似文献
15.
Dieter C. Wasshausen 《Brittonia》1985,37(3):243-251
Four new Ecuadorian species ofHabracanthus,H. asplundii from Pichincha,H. laxus andH. lugonis from Tungurahua, andH. luteynii from Napo, are described, illustrated, and compared with their closest relatives. 相似文献
16.
Alasdair G. Burman 《Brittonia》1980,32(2):217-221
Thrasya parvula, T. seminuda andT. granitica are described as new species,T. petrosa var.ciliata as a new variety, andT. scandens as a new combination.Thrasyopsis jurgensii is proposed as a new combination. 相似文献
17.
Sandra Knapp 《Brittonia》1992,44(1):61-68
Five new species of South AmericanSolanum are described:S. morii from French Guiana,S. superbum andS. tumescens from Bolivia,S. platycypellon from southern Bolivia and northern Argentina andS. gertii from southeastern Brazil. An illustration and distribution map for each species is provided and relationships to close relatives are discussed. 相似文献
18.
Kathleen Burt-Utley 《Brittonia》1982,34(2):189-198
Begonia buseyi, B. croatii, B. dressleri andB. morii from Panama andB. louis-williamsii from Guatemala are described as new, illustrated and discussed. 相似文献
19.
George M. Diggs 《Brittonia》1986,38(4):344-351
Comarostaphylis spinulosa subsp.glandulifera is described from the mountains of Oaxaca and Puebla, Mexico. Four new combinations inComarostaphylis are also made:C. arbutoides subsp.costaricensis, C. discolor subsp.rupestris, C. polifolia subsp.minor, andC. spinulosa.Arctostaphylos glabrata, A. rupestris, andA. spinulosa are lectotypified and the status ofC. polifolia is discussed. 相似文献
20.
Enrique Forero 《Brittonia》1980,32(1):33-42
Four new species (Connarus celatus, C. marlenei, C. portosegurensis andC. rigidus) and four new varieties (Connarus erianthus var.pedicellatus,C. erianthus var.stipitatus, C. perrottetii var.rufus, andC. venezuelanus var.orinocensis) are described and illustrated, in preparation for the forthcoming Monograph of the Connaraceae in Flora Neotropica. 相似文献