''Pentaphylax'' is a genus of flowering plants, with one
or two
species which are shrubs and small trees. The species has simple evergreen leaves that are alternately arranged on the stems. The flower pistil is 5 celled and the anthers dehiscing via pores and basifixed.
Flowers have five petals and five sepals that are distinct from each other and five stamens attached oppositely to the sepals. The seeds are winged.
Native from Tropical areas of South China to Malay Peninsula and Sumatra.
Species include:
*''
Pentaphylax euryoides''
Taxonomy
The
APG III system of 2009 places the genus in the family
Pentaphylacaceae
The Pentaphylacaceae are a small family of plants within the order Ericales. In the APG III system of 2009, it includes the former family Ternstroemiaceae.
Genera
In 2014, the Angiosperm Phylogeny Website included 14 genera in the family: Plant ...
, along with genera formerly placed in the Ternstroemiaceae.
''Pentaphylax'' has often been placed in its own family, the Pentaphylacaceae, separated from the
Theaceae
Theaceae (), the tea family, is a family of flowering plants comprising shrubs and trees, including the economically important tea plant, and the ornamental camellias. It can be described as having from seven to 40 genera, depending on the sour ...
or Ternstroemiaceae based on the structure of the anthers and, arguably, the ovules. However, some molecular data and curved embryos (typical of the Ternstroemiaceae) point to a close relationship with the Ternstroemiaceae.
The taxonomic placement of this species and the family has varied, due mostly to a shortage of information. Included here are some classifications given by different
botanists:
*
Short
Short may refer to:
Places
* Short (crater), a lunar impact crater on the near side of the Moon
* Short, Mississippi, an unincorporated community
* Short, Oklahoma, a census-designated place
People
* Short (surname)
* List of people known as ...
's Subclass Dicotyledonae; Crassinucelli (?).
*
Dahlgren's Superorder Theiflorae (?); Theales (?).
*
Cronquist’s Subclass Dilleniidae; Theales.
*
Angiosperm Phylogeny Group
The Angiosperm Phylogeny Group (APG) is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants (angiosperms) that reflects new knowledge about plant relationships disc ...
(1998) family of uncertain position at the highest group level.
[Pentaphylacaceae Engl.](_blank)
Angiosperm Phylogeny Website
The Angiosperm Phylogeny Website (or APweb) is a website dedicated to research on angiosperm phylogeny and taxonomy.
The site is hosted by the Missouri Botanical Garden website and maintained by researchers, Peter F. Stevens and Hilary M. Davis ...
*subfamily Ternstroemioideae within the Theaceae.
References
External links
Picture
{{Taxonbar, from=Q6071472
Pentaphylacaceae
Ericales genera