Roridula

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Roridula

Roridula gorgonias
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Ericales
Family:	Roridulaceae Engl. & Gilg (1924) nom.cons.
Genus:	Roridula L. (1764)
Species
Roridula dentata Roridula gorgonias

Roridula distribution

Roridula (/rɒˈrɪdjʊlə/; from Latin roridus "dewy") is a South African^[1] genus of plants that, whilst having many of the adaptations of a carnivorous plant, such as the possession of insect-trapping sticky hairs, does not directly digest the animals it traps. Instead, it has a mutualistic relationship with Pameridea roridulae, a species of capsid bug, which lives on the plant and feeds on the trapped insects. The plant obtains nutrients from the droppings of this symbiotic insect. Whether this plant is regarded as carnivorous or protocarnivorous is essentially a matter of semantics. The genus contains just two species, Roridula gorgonias Planch. and Roridula dentata L., and is the only genus in the family Roridulaceae.

Misassigned taxa

Roridula arabica Roem. & Schult. (1818) [=Cleome droserifolia]
Roridula droserifolia (Delile) Forsk. (1775) [=Cleome droserifolia]
Roridula tetrandra Vitm. (1790) [=Cleome droserifolia]

References

↑ Andrew Millington; Mark Blumler; Udo Schickhoff (2011-09-22). The SAGE Handbook of Biogeography. SAGE Publications. pp. 143–. ISBN 978-1-4462-5445-5. Retrieved 2013-08-07. "The Cape Floristic Region in South Africa is comparatively rich in endemic flowering-plant families. Five families of angiosperms (Penaeaceae, Roridulaceae, Geissolomataceae, Grubbiaceae, and Lanariaceae) are endemic to that region ..."

Anderson, B. 2005. Adaptations to foliar absorption of faeces: a pathway in plant carnivory. Annals of Botany 95(5): 757–761. doi:10.1093/aob/mci082
Hewitt-Cooper, N. 2012. The Roridulaceae. Carnivorous Plant Newsletter 41(4): 146–150.

External links

Roridulaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants.

Wikimedia Commons has media related to Roridula.

v t e Carnivorous plants (list)

Genera	Aldrovanda Brocchinia Byblis Catopsis Cephalotus Darlingtonia Dionaea Drosera Drosophyllum Genlisea Heliamphora Nepenthes Philcoxia Pinguicula Roridula Sarracenia Triphyophyllum Utricularia

Protocarnivorous	Aracamunia Capsella Colura Dipsacus Drymocallis Geranium Ibicella Lathraea Paepalanthus Passiflora Plumbago Proboscidea Stylidium

Extinct	Archaeamphora Droserapites Droserapollis Droseridites Fischeripollis Palaeoaldrovanda Saxonipollis

See also	International Carnivorous Plant Society Insectivorous Plant Society List of carnivorous plant periodicals People associated with carnivorous plants Pitcher plant

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