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Grubbia
''Grubbia'' is a genus of flowering plants in the family Grubbiaceae.〔Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and Alastair Culham. 2007. ''Flowering Plant Families of the World''. Firefly Books: Ontario, Canada. ISBN 978-1-55407-206-4.〕 The genus has three species, all endemic to the Cape Floristic Region of South Africa.〔David J. Mabberley. 2008. ''Mabberley's Plant-Book'' third edition (2008). Cambridge University Press: UK. ISBN 978-0-521-82071-4〕 They are shrubs that grow to tall, with tiny flowers and slender, leathery leaves.〔Klaus Kubitzki. 2004. "Grubbiaceae". pages 199-201. In: Klaus Kubitski (editor). ''The Families and Genera of Vascular Plants'' volume VI. Springer-Verlag: Berlin;Heidelberg, Germany.〕 The fruit is a syncarp.
''Grubbia'' was named by Peter Jonas Bergius in 1767 in a Swedish journal entitled ''Kongliga Vetenskaps Academiens Handlingar''.〔''Grubbia'' in International Plant Names Index. (see ''External links'' below).〕 The generic name honors the Swedish botanist Michael Grubb.〔Umberto Quattrocchi. 2000. ''CRC World Dictionary of Plant Names'' volume II. CRC Press: Boca Raton; New York; Washington,DC;, US. London, UK. ISBN 978-0-8493-2676-9 (vol. II). (see ''External links'' below).〕
''Grubbia'' was revised by Sherwin Carlquist in 1977.〔Sherwin Carlquist. 1977. "A revision of Grubbiaceae". ''Journal of South African Botany'' (currently: ''South African Journal of Botany''). 43(2):115-128.〕 ''Grubbia gracilis'', ''Grubbia hirsuta'', and ''Grubbia pinifolia'' had all been recognized, at least by some authors, at species rank, but Carlquist treated them as subspecies or varieties of ''Grubbia rosmarinifolia''. Some authors had recognized a second genus, ''Strobilocarpus'', in the family Grubbiaceae, but Carlquist assigned its two species, ''Strobilocarpus rourkei'' and ''Strobilocarpus tomentosa'' to ''Grubbia''.
Molecular phylogenetic studies have shown that ''Grubbia'' is sister to ''Curtisia'', another genus from South Africa.〔Qiu-Yun (Jenny) Xiang, David T. Thomas, and Qiao Ping Xiang. 2011. "Resolving and dating the phylogeny of Cornales - Effects of taxon sampling, data partitions, and fossil calibrations". ''Molecular Phylogenetics and Evolution'' 59(1):123-138. 〕 It has been suggested that ''Grubbia'' and ''Curtisia'' might be combined into a single family.〔"Jenny" Qiu-Yun Xiang, Michael L. Moody, Douglas E. Soltis, Chuan Zhu Fan, and Pamela S. Soltis. 2002. "Relationships within Cornales and circumscription of Cornaceae - matK and rbcL sequence data and effects of outgroups and long branches". ''Molecular Phylogenetics and Evolution'' 24(1):35-57.〕 This was not followed by the Angiosperm Phylogeny Group in the APG III system of 2009.
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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