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Epacridoideae

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Epacridoideae
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Subfamily: Epacridoideae
Arn.
Tribes and genera

See text.

Synonyms
  • Styphelioideae Sweet

Epacridoideae is a subfamily of the family Ericaceae. The name Styphelioideae Sweet is also used. The subfamily contains around 35 genera and 545 species.[1]

Description

The Epacridoideae form a well supported monophyletic group, clearly diagnosable using a combination of morphological characters. These include a lignified leaf epidermis, dry, membrane-like (scarious) bracts on the inflorescence, and a persistent corolla. The stamens are also distinctive: there are fewer than twice the number of corolla lobes and the filaments are smooth. Some of these characters are individually present in other members of the family Ericaceae. Core members of the subfamily (excluding Prionoteae) also have parallel- or somewhat palmate-veined leaves and lack multicellular hairs.

Taxonomy

In 1810, Robert Brown treated the group as the family Epacridaceae.[2] It was treated as a subfamily by Robert Sweet in 1828 (using the name Stypheliae).[3] George Arnott Walker-Arnott also treated it as a subfamily in 1832 (using the name Epacrideae).[2] Although Sweet's name is earlier, Article 19.5 of the International Code of Nomenclature for algae, fungi, and plants provides that when a subfamily is formed by reducing the rank of a family, the type of a conserved family name has precedence, making Epacridoideae the correct name.[4][5][6]

Genera

Based largely on the phylogenetic classification of Kron et al. (2002),[7] with some later modifications,[8][9][10] genera that may be placed in the subfamily include the following (tribe in parentheses):

References

  1. ^ Stevens, P.F. (2001 onwards), "Ericales: Epacridoideae", Angiosperm Phylogeny Website, retrieved 2022-10-21
  2. ^ a b Reveal, James L. (2011), "Indices Nominum Supragenericorum Plantarum Vascularium – E", Indices Nominum Supragenericorum Plantarum Vascularium, retrieved 2022-10-21
  3. ^ Reveal, James L. (2011), "Indices Nominum Supragenericorum Plantarum Vascularium – S", Indices Nominum Supragenericorum Plantarum Vascularium, retrieved 2022-10-21
  4. ^ Crayn, Darren M.; Kron, Kathleen A. & Potter, Benjamin C.M. (2014), "Typification of some names in Epacridoideae (Ericaceae)", Telopea, Journal of Plant Systematics, 17: 319–321, doi:10.7751/telopea20147924, p. 320
  5. ^ Turland, N.J.; et al., eds. (2018), Article 19. International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017 (electronic ed.), Glashütten: International Association for Plant Taxonomy, retrieved 2022-10-21
  6. ^ McNeill, John & Turland, Nicholas (2005), "Synopsis of Proposals on Botanical Nomenclature - Vienna 2005. A Review of the Proposals concerning the International Code of Botanical Nomenclature Submitted to the XVII International Botanical Congress", Taxon, 54 (1): 215–250, JSTOR 25065335, pp. 224–225
  7. ^ Kron, K.A.; Judd, W.S.; Stevens, P.F.; Crayn, D.M.; Anderberg, A.A.; Gadek, P.A.; Quinn, C.J. & Luteyn, J.L. (2002), "Phylogenetic Classification of Ericaceae: Molecular and Morphological Evidence", Botanical Review, 68 (3): 335–423, doi:10.1663/0006-8101(2002)068[0335:PCOEMA]2.0.CO;2, JSTOR 4354425, S2CID 35699816
  8. ^ Crayn, Darren M.; Brown, Elizabeth A. & Powell, Jocelyn M. (2003), "A revision of Lissanthe (Styphelioideae: Ericaceae)", Australian Systematic Botany, 16 (5): 600, doi:10.1071/SB03014
  9. ^ Quinn, Christopher J.; Brown, Elizabeth A.; Heslewood, Margaret M. & Crayn, Darren M. (2005), "Generic concepts in Styphelieae (Ericaceae): the Cyathodes group", Australian Systematic Botany, 18 (5): 439–454, doi:10.1071/SB05005
  10. ^ Albrecht, D.E.; Owens, C. T.; Weiller, C. M.; Quinn, C. J. (2010), "Generic concepts in Ericaceae: Styphelioideae: the Monotoca group", Australian Systematic Botany, 23 (5): 320–332, doi:10.1071/SB10009
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