Arctous
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''Arctous'' is a
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s referred to by the common name " bearberry", a name sometimes shared with certain species of the related genus ''
Arctostaphylos ''Arctostaphylos'' (; from "bear" and "bunch of grapes") is a genus of plants comprising the manzanitas () and bearberries. There are about 60 species of ''Arctostaphylos'', ranging from ground-hugging arctic, coastal, and mountain shrub t ...
'', in particular, '' A. uva-ursi''. Although the two genera are related, certain characters, such as deciduous,
marcescent Marcescence is the withering and persistence of plant organs that normally are shed, and is a term most commonly applied to plant leaves. The underlying physiological mechanism is that trees transfer water and sap from the roots to the leaves ...
leaves, rugose-reticulate
venation Venation may refer to: * Venation (botany), the arrangement of veins in leaves * Wing venation, the arrangement of veins in insect wings See also * * Vernation Vernation or leafing is the formation of new leaves or fronds. In plant anatomy, it ...
, and finely-toothed leaves are more typical of ''Arctous'' than ''Arctostaphylos''. Three species are accepted. *'' Arctous alpina'' *'' Arctous microphylla'' *'' Arctous rubra''


References

Arbutoideae Ericaceae genera Flora of the Holarctic realm Taxa described in 1889 {{Ericaceae-stub