Cytinus

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Cytinus
Cytinus ruber from Sardinia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Cytinaceae
Genus: Cytinus
L.
Species

See text

Cytinus is a genus of parasitic flowering plants. Species in this genus do not produce chlorophyll, but rely fully on its host plant. Cytinus usually parasitizes Cistus and Halimium, two genera of plants in the family Cistaceae. It has also been found on Ptilostemon chamaepeuce.

Several species are found in the Mediterranean Region, South Africa, with a possibly undescribed species from Madagascar.[1]

Biology

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C. capensis and C. sanguineus are dioecious, while C. hypocistis is monoecious.[2]

C. hypocistis has been shown to infect mainly Halimium halimifolium and Cistus monspeliensis in Portugal.[3]

Systematics

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The genus Cytinus was previously included in the parasitic family Rafflesiaceae, but is now put into the family Cytinaceae[2] (order Malvales), together with the genus Bdallophytum with four species.

The flower of C. hypocistis

The young C. hypocistis is cooked as an asparagus substitute and an extract has been used in herbal medicine for dysentery, throat tumors and as an astringent.[4] C. ruber is also edible and was used in folk medicine as an emmenagogue.[5]

Species

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Image Scientific name Distribution
Cytinus baronii Baker f. Madagascar.
Cytinus capensis Marloth South Africa
Cytinus glandulosus Jum. Madagascar.
Cytinus hypocistis (L.) L. Mediterranean from Morocco to southern France and Turkey
Cytinus malagasicus Jum. & H.Perrier Madagascar.
Cytinus ruber (Fourr.) Fritsch Mediterranean
Cytinus sanguineus (Thunb.) Fourc. South Africa
Cytinus visseri Burgoyne South Africa

Footnotes

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  1. ^ parasiticplants.siu.edu: Cytinaceae
  2. ^ a b Nickrent et al. 2004
  3. ^ Thorogood & Hiscock 2007
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ The University of Reading: Cytinus hypocistis Archived July 21, 2011, at the Wayback Machine

References

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  • Govaerts, R. & Nickrent, D.L. (2010): 658. Cytinus ruber Cytinaceae. Bot. Mag. 26(4): 314–321.
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Further reading

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  • Burgoyne, P.M. (2006): A new species of Cytinus (Cytinaceae) from South Africa and Swaziland, with a key to the Southern African species. Novon 16(3): 315–319. Abstract Archived 2012-03-14 at the Wayback Machine
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