Arbutoideae

Arbutoideae
Arbutus menziesii
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Asterids
Order:Ericales
Family:Ericaceae
Subfamily:Arbutoideae
Nied.
Genera

The Arbutoideae are a subfamily in the flowering plant family Ericaceae. Phylogenetic analysis supported all genera of the subfamily as monophyletic, except Arbutus.[1] Moreover, it was suggested that the non-sister relationship between Mediterranean and North American species may be explained by a once widespread distribution in the Northern hemisphere before the Neogene.[1]

The genera Arbutus, Arctostaphylos, Comarostaphylis form a particular type of mycorrhizal symbiosis with the fungus Arbutoid mycorrhiza, which resembles ectomycorrhizas.[2][3]

References

  1. 1 2 Hileman LC, Vasey MC, Parker VT (2001). "Phylogeny and biogeography of the Arbutoideae (Ericaceae): implications for the Madrean–Tethyan hypothesis". Systematic Biology. 26 (1): 131–143. doi:10.1043/0363-6445-26.1.131.
  2. ↑ Osmundsen TW, Halling RE, den Bakker HC (2007). "Morphological and molecular evidence supporting an arbutoid mycorrhizal relationship in the Costa Rican páramo". Fungal Diversity. 17 (3): 217–222. doi:10.1007/s00572-006-0098-x.
  3. ↑ Smith SE, Read D (2008). Mycorrhizal Symbiosis (3rd ed.). Amsterdam; Boston: Academic Press. ISBN 978-0-12-370526-6.
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