Grubbia

Grubbia is a genus of flowering plants.[2] It is the sole genus in the family Grubbiaceae.[3] The genus has three species, all endemic to the Cape Floristic Region of South Africa.[4] They are shrubs that grow to 1.5 m (4.9 ft) tall, with tiny flowers and slender, leathery leaves.[5] The fruit is a syncarp.

Grubbia
Grubbia tomentosa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Cornales
Family: Grubbiaceae
Endl. ex Meisn. (1841)
Genus: Grubbia
P.J.Bergius (1767)
Type species
Grubbia rosmarinifolia
Species

Grubbia rosmarinifolia P.J.Bergius
Grubbia rourkei Carlquist
Grubbia tomentosa (Thunb.) Harms

Synonyms[1]
  • Lithodia Blume (1847 publ. 1849)
  • Ophira Burm. ex L. (1771)
  • Strobilocarpus Klotzsch (1839)

Grubbia was named by Peter Jonas Bergius in 1767 in a Swedish journal entitled Kongliga Vetenskaps Academiens Handlingar.[6] The generic name honors the Swedish botanist Michael Grubb.[7]

Grubbia was revised by Sherwin Carlquist in 1977.[8] 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.[9] It has been suggested that Grubbia and Curtisia might be combined into a single family.[10] This was not followed by the Angiosperm Phylogeny Group in the APG III system of 2009.

References
  1. Grubbia P.J.Bergius. Plants of the World Online. Retrieved 21 June 2023.
  2. 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.
  3. Grubbiaceae Endl. ex Meisn. Plants of the World Online. Retrieved 21 June 2023.
  4. David J. Mabberley. 2008. Mabberley's Plant-Book third edition (2008). Cambridge University Press: UK. ISBN 978-0-521-82071-4
  5. 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.
  6. Grubbia in International Plant Names Index. (see External links below).
  7. 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).
  8. Sherwin Carlquist. 1977. "A revision of Grubbiaceae". Journal of South African Botany (currently: South African Journal of Botany). 43(2):115-128.
  9. 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. doi:10.1016/j.ympev.2011.01.016
  10. "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.
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