Virgilia (plant)

Virgilia
	Virgilia divaricata
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Tribe:	Podalyrieae[1][2]
Genus:	Virgilia; Poir.
Species[3][4][5]
	Virgilia divaricata Adamson; Virgilia oroboides (P.J. Bergius) T.M. Salter;
Synonyms
	Virgilia L'Hér.;

Virgilia is a genus of Southern African trees in the family Fabaceae that is known for its very fast growth (4.5m in 2 years) and a tendency to fall over as it matures (15 years or so). The common name in South Africa (in Afrikaans) is keurboom, meaning 'choice tree'.[6] Valued as useful ornamental trees by gardeners, the genus's two species are also known as tree-in-a-hurry, cape lilac, blossom tree and pink blossom tree.

Taxonomy

A mature tree in South Africa.

The genus was described by Jean Louis Marie Poiret and published in Encyclopédie Méthodique in 1808. Most botanists feel that the two species are simply forms and should be lumped under one species, Virgilia oroboides. That would mean that the current V. divaricata is simply a darker form limited to the forested region of Knysna, South Africa. Virgilia oroboides had a number of synonyms, while both V. oroboides and V. divaricata had both been named V. capensis by different authors.[7]

Species

Below is a list of offers species of the genus Virgilia accepted until July 2014 , sorted alphabetically. For each one, the binomial name followed by the author is indicated, abbreviated according to the conventions and uses.

Virgilia divaricata Adamson
Virgilia oroboides (PJ Bergius) TM Salter

Description

These are small to medium sized trees, up to 15 to 20 meters tall, filling space easily in the garden. The tree has shiny green, fern-like, pinnate foliage and displays attractive pea-like, mauve/pink, fragrant flowers during warmer months that will be followed by dark, leathery seed pods.[8]

Cultivation

Growing in full sun to partially shade, they prefer well drained soils; some will then grow 2m in the first season. They will tolerate wind and have dense foliage growing close to the ground, so they are useful as pioneer species for privacy and wind protection, despite having a comparatively short life (15 years). Popular in the UK since the 18th century or so, they are also now commonly present in the USA and Australia.

Gallery

A mature tree blooming in South Africa
Close up of flowers in Cape Town
Leaf shape
A flowering tree in Perth

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References

Boatwright JS; Savolainen V; Van Wyk B-E; Schutte-Vlok AL; Forest F; Van der Bank M (2008). "Systematic position of the anomalous genus Cadia and the phylogeny of the tribe Podalyrieae (Fabaceae)". Syst Bot. 33 (1): 133–147. doi:10.1600/036364408783887500.
Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk BE, Wojciechowski MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001.
Van Wyk B-E. (1986). "A revision of the genus Virgilia (Fabaceae)". S Afr J Bot. 52 (4): 347–353. doi:10.1016/S0254-6299(16)31532-0.
"ILDIS LegumeWeb entry for Virgilia". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 26 February 2014.
USDA; ARS; National Genetic Resources Program. "GRIN species records of Virgilia". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 26 February 2014.
Mbambezeli, Giles; Notten, Alice; Kirstenbosch National Botanical Garden (August 1, 2003), Virgilia divaricata & Virgilia oroboides, accessed September 28, 2006
Mbambezeli G, Notten A (August 2003). "Virgilia divaricata & Virgilia oroboides". www.plantzafrica.com. Kirstenbosch National Botanical Garden. Retrieved 28 September 2006.
VIRGILIA OROBOIDES

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[Boatwright-1] Boatwright JS; Savolainen V; Van Wyk B-E; Schutte-Vlok AL; Forest F; Van der Bank M (2008). "Systematic position of the anomalous genus Cadia and the phylogeny of the tribe Podalyrieae (Fabaceae)". Syst Bot. 33 (1): 133–147. doi:10.1600/036364408783887500.

[Cardoso1-2] Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk BE, Wojciechowski MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001.

[3] Van Wyk B-E. (1986). "A revision of the genus Virgilia (Fabaceae)". S Afr J Bot. 52 (4): 347–353. doi:10.1016/S0254-6299(16)31532-0.

[4] "ILDIS LegumeWeb entry for Virgilia". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 26 February 2014.

[5] USDA; ARS; National Genetic Resources Program. "GRIN species records of Virgilia". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 26 February 2014.

[6] Mbambezeli, Giles; Notten, Alice; Kirstenbosch National Botanical Garden (August 1, 2003), Virgilia divaricata & Virgilia oroboides, accessed September 28, 2006

[7] Mbambezeli G, Notten A (August 2003). "Virgilia divaricata & Virgilia oroboides". www.plantzafrica.com. Kirstenbosch National Botanical Garden. Retrieved 28 September 2006.

[8] VIRGILIA OROBOIDES