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来自巴西巴伊亚州的茄科刺毛茄组(Gonatotrichum Bitter)的一个新的雌雄异株物种。

A new heterandrous species of Solanum section Gonatotrichum Bitter (Solanaceae) from Bahia, Brazil.

作者信息

Giacomin Leandro L, Stehmann João Renato

机构信息

ICB, Departamento de Botânica, Laboratório de Sistemática Vegetal, Universidade Federal de Minas Gerais - UFMG, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, CEP 31270-901, MG, Brazil.

出版信息

PhytoKeys. 2011(7):1-9. doi: 10.3897/phytokeys.7.1855. Epub 2011 Nov 29.

DOI:10.3897/phytokeys.7.1855
PMID:22287920
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3261042/
Abstract

A new species of Solanum from Brazil is described. Solanum evolvuloides Giacomin & Stehmann, sp. nov. belongs to section Gonatotrichum, a small group assigned to the Brevantherum Clade of the genus Solanum. It resembles Solanum turneroides Chodat, sharing with it heterandry, and Solanum parcistrigosum Bitter, with which it shares a similar habit and pubescence. Despite these similarities, the species can be recognized by its ovate-elliptic to cordiform leaf shape and more membranaceous leaf texture than the other species in the section, and stem, inflorescence axes, and calyx vestiture mainly composed of glandular hairs. Solanum evolvuloides is known to occur only in southeastern of Bahia state, Brazil, and in a preliminary assessment of the IUCN criteria can be considered a threatened species.ResumoUma nova espécie de Solanum é descrita para o Brasil. Solanum evolvuloides Giacomin & Stehmann, sp. nov. é componente da seção Gonatotrichum, um pequeno grupo associado ao Clado Brevantherum. A espécie é similar a Solanum turneroides, com a qual compartilha a heterandria, e Solanum parcistrigosum, que por sua vez apresenta um hábito e indumento foliar semelhante. Apesar da similaridade, a espécie pode ser facilmente reconhecida pela forma da folha ovada-elíptica a cordiforme e pela texura mais membranácea que as outras espécies da seção, além do indumento do caule, eixo da inflorescência e cálice, constituído em sua maioria por tricomas glandulares pedicelados. Solanum evolvuloides tem sua distribuição conhecida somente para o sudeste do estado da Bahia, Brasil, e é indicada como uma espécie ameaçada de extinção.

摘要

描述了一种来自巴西的茄属新物种。旋花茄(Solanum evolvuloides Giacomin & Stehmann, sp. nov.)属于刺毛茄组(Gonatotrichum),是茄属短药组(Brevantherum Clade)中的一个小类群。它与特纳茄(Solanum turneroides Chodat)相似,都具有雄性先熟现象,还与少刺茄(Solanum parcistrigosum Bitter)相似,有着类似的习性和柔毛。尽管有这些相似之处,但该物种可通过其卵形至心形的叶片形状以及比该组其他物种更薄的膜质叶片质地,还有主要由腺毛组成的茎、花序轴和花萼毛被来识别。旋花茄仅分布于巴西巴伊亚州东南部,根据国际自然保护联盟(IUCN)标准的初步评估,可被视为濒危物种。

摘要

描述了一种巴西的新茄属物种。旋花茄(Solanum evolvuloides Giacomin & Stehmann, sp. nov.)是刺毛茄组的成员,是与短药组相关的一个小类群。该物种与特纳茄相似,都有雄性先熟现象,与少刺茄也相似,后者具有类似的习性和叶毛被。尽管有相似之处,但该物种很容易通过卵形至心形的叶片形状以及比该组其他物种更薄的膜质质地来识别,此外茎、花序轴和花萼的毛被主要由具柄腺毛组成。旋花茄仅知分布于巴西巴伊亚州东南部,被列为濒危灭绝物种。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/751a9fcc3ea8/PhytoKeys-007-001-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/9ef92022eb4a/PhytoKeys-007-001-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/4f8ae0f5391c/PhytoKeys-007-001-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/751a9fcc3ea8/PhytoKeys-007-001-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/9ef92022eb4a/PhytoKeys-007-001-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/4f8ae0f5391c/PhytoKeys-007-001-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8043/3261042/751a9fcc3ea8/PhytoKeys-007-001-g003.jpg

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引用本文的文献

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本文引用的文献

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J Evol Biol. 2009 Apr;22(4):828-39. doi: 10.1111/j.1420-9101.2009.01693.x.
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Solanaceae--a model for linking genomics with biodiversity.茄科——将基因组学与生物多样性相联系的一个模型。
Comp Funct Genomics. 2004;5(3):285-91. doi: 10.1002/cfg.393.