Erica grandiflora

Erica grandiflora
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Ericales
Family:	Ericaceae
Genus:	Erica
Species:	E. grandiflora
Binomial name
	Erica grandiflora; L.f.

Erica grandiflora is a species of Erica found in fynbos on the mainland Western Cape, South Africa. E. grandiflora was described by Carl Linnaeus the Younger in 1782, and was reclassified as Erica abietina subsp. aurantiaca by Oliver & Oliver in 2002[1]. More recently, phylogenetic analyses of DNA sequence data have revealed that it is more closely related to mainland Western Cape species including Erica viscaria than it is to Cape Peninsula endemic Erica abietina subspecies, and should therefore be treated as a separate species[2]. It includes two subspecies which can be most easily distinguished on the basis of their distinctive flower colours.

Subspecies

Erica grandiflora subsp. grandiflora is widespread in fynbos on the mainland Western Cape. Flowers are reddish-orange. Corresponds to Erica abietina L. ssp. aurantiaca E.G.H.Oliv. & I.M.Oliv.
Erica grandiflora subsp. perfoliosa (E.G.H.Oliv. & I.M.Oliv.) E.G.H.Oliv. & Pirie. Produces bright yellow flowers. Found only in the Jonkershoek Valley. Critically endangered. Corresponds to Erica abietina L. subsp. perfoliosa E.G.H.Oliv. & I.M.Oliv.

Gallery

Flowering specimen of E. grandiflora ssp. grandiflora, in the Western Cape, South Africa
Flowering specimen of E. grandiflora ssp. perfoliosa in the Jonkershoek Valley, Western Cape, South Africa

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References

Oliver, E. G. H.; Oliver, I. M. (2002). "The genus Erica (Ericaceae) in southern Africa: taxonomic notes 1". Bothalia. 32 (1). doi:10.4102/abc.v32i1.461. ISSN 2311-9284.
Pirie, M. D.; Oliver, E. G. H.; Gehrke, B.; Heringer, L.; Mugrabi de Kuppler, A.; Le Maitre, N. C.; Bellstedt, D. U. (2017). "Underestimated regional species diversity in the Cape Floristic Region revealed by phylogenetic analysis of the Erica abietina/E. viscaria clade (Ericaceae)". Botanical Journal of the Linnean Society. 184 (2): 185–203. doi:10.1093/botlinnean/box021. ISSN 0024-4074.

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[OliverOliver2002-1] Oliver, E. G. H.; Oliver, I. M. (2002). "The genus Erica (Ericaceae) in southern Africa: taxonomic notes 1". Bothalia. 32 (1). doi:10.4102/abc.v32i1.461. ISSN 2311-9284.

[PirieOliver2017-2] Pirie, M. D.; Oliver, E. G. H.; Gehrke, B.; Heringer, L.; Mugrabi de Kuppler, A.; Le Maitre, N. C.; Bellstedt, D. U. (2017). "Underestimated regional species diversity in the Cape Floristic Region revealed by phylogenetic analysis of the Erica abietina/E. viscaria clade (Ericaceae)". Botanical Journal of the Linnean Society. 184 (2): 185–203. doi:10.1093/botlinnean/box021. ISSN 0024-4074.