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Corsiaceae is a family of
monocotyledon Monocotyledons (), commonly referred to as monocots, ( Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of ...
ous
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
s. The
APG II system The APG II system (Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Gro ...
(2003) treats the family in the order
Liliales Liliales is an order of monocotyledonous flowering plants in the Angiosperm Phylogeny Group and Angiosperm Phylogeny Web system, within the lilioid monocots. This order of necessity includes the family Liliaceae. The APG III system (2009) plac ...
, in the clade
monocots Monocotyledons (), commonly referred to as monocots, ( Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of ...
. This is a slight change from the
APG system The APG system (Angiosperm Phylogeny Group system) of plant classification is the first version of a modern, mostly molecular-based, system of plant taxonomy. Published in 1998 by the Angiosperm Phylogeny Group, it was replaced by the improved APG ...
, of 1998, which left the family unplaced as to order, but did assign it also to the monocots.


Taxonomy

The family is usually taken to include three genera, '' Corsia'', '' Corsiopsis'', and '' Arachnitis'' with a total of 27 known species. As the members of this family are achlorophyllous non-autotrophic herbs (i.e. they are not green, and do not
photosynthesize Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in ...
) they have sometimes been included in the family
Burmanniaceae Burmanniaceae is a family of flowering plants, consisting of 99 species of herbaceous plants in eight genera. Description These plants are annual or perennial herbs, with generally unbranched stems, some lacking leaves. Some members of this fam ...
which, however, according to APG II is not even in the same order. Th
APG companion site
cites a reference which suggests the family should consist of ''Corsia'' only, with ''Arachnitis'' better placed nearer to family Burmanniaceae. ''Corsiopsis'', like ''Arachnitis'' a monotypic genus, has been described recently.


Genera and species

*'' Arachnitis'' Phil., 1864 **'' Arachnitis uniflora'' *'' Corsia'' Becc., 1877 **'' Corsia acuminata'' **'' Corsia arfakensis'' **'' Corsia boridiensis'' **'' Corsia brassii'' **'' Corsia clypeata'' **'' Corsia cordata'' **'' Corsia cornuta'' **'' Corsia crenata'' **'' Corsia cyclopensis'' **'' Corsia dispar'' **'' Corsia haianjensis'' **'' Corsia huonensis'' **'' Corsia lamellata'' **'' Corsia merimantaensis'' **'' Corsia ornata'' **'' Corsia papuana'' **'' Corsia purpurata'' **'' Corsia pyramidata'' **'' Corsia resiensis'' **'' Corsia torricellensis'' **'' Corsia triceratops'' **'' Corsia unguiculata'' **'' Corsia viridopurpurea'' **'' Corsia wiakabui'' **'' Corsia wubungu'' *'' Corsiopsis'' D.X.Zhang, R.M.K.Saunders & C.M.Hu, 1999 **'' Corsiopsis chinensis''


References


Bibliography

* * *


External links


links at CSDL, Texas
* * {{Taxonbar, from=Q131369 Liliales families Parasitic plants Taxa named by Odoardo Beccari