Derris

{{Short description|Genus of legumes}} {{About|the genus of plants|the insecticide derived from them, traded under the name Derris|Rotenone}} {{Automatic taxobox | image = Derris scandens in Hyderabad, AP W IMG 4289.jpg | image_caption = ''Derris scandens'' in Hyderabad | taxon = Derris | authority = Lour. (1790), nom. cons. | subdivision_ranks = Species | subdivision = 65; see text | synonyms = *''Cylizoma'' {{small|Neck. (1790), opus utique oppr.}} *''Nothoderris'' {{small|Blume ex Miq. (1855), not validly publ.}} *''Paraderris'' {{small|(Miq.) R.Geesink (1984)}} *''Pterocarpus'' {{small|Kuntze (1891), nom. illeg.}} *''Salken'' {{small|Adans. (1763), nom. rej.}} |synonyms_ref = <ref name = powo>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331547-2 ''Derris'' Lour.] ''Plants of the World Online''. Retrieved 31 July 2023.</ref> }}

'''''Derris''''' is genus of leguminous plants. It contains 65 species, which range from eastern Africa to the Indian subcontinent, Southeast Asia, New Guinea, northern Australia, and the southwest Pacific islands.<ref name = powo/> The roots of ''D. elliptica'' contain rotenone, a strong insecticide<ref>{{cite journal|last=Fryer|first=J.C.F|title=A Quantitative Study Of The Insecticidal Properties Of Derris Elliptica (Tuba Root)|journal=Annals of Applied Biology|date=February 1923|volume=10|issue=1|pages=18–34|doi=10.1111/j.1744-7348.1923.tb05651.x|publisher=Association of Applied Biologists|location=Warwick, England|display-authors=etal}}</ref> and fish poison.

Despite the secondary compounds found in ''Derris'', they serve as food plants for many Lepidopteran larvae <ref>{{Cite web|url=http://florawww.eeb.uconn.edu/198500711.html|title=Derris elliptica {Fabaceae}|last=Morse|first=Clinton|website=florawww.eeb.uconn.edu|access-date=2016-08-21}}</ref> including ''Batrachedra'' spp.

==Species== 65 species are currently accepted:<ref name = powo/> * ''Derris acuminata'' {{small|Benth.}} * ''Derris alborubra'' {{small|Hemsl.}} * ''Derris amoena'' {{small|Benth.}} * ''Derris andamanica'' {{small|Prain}} * ''Derris benthamii'' {{small|(Thwaites) Thwaites}} * ''Derris brevipes'' {{small|(Benth.) Baker}} * ''Derris breviramosa'' {{small|F.C.How}} * ''Derris canarensis'' {{small|(Dalzell) Baker}} * ''Derris caudatilimba'' {{small|F.C.How}} * ''Derris cavaleriei'' {{small|Gagnep.}} * ''Derris chinensis'' {{small|Benth.}} * ''Derris cuneifolia'' {{small|Benth.}} * ''Derris elegans'' {{small|Benth.}} * ''Derris elliptica'' {{small|(Wall.) Benth.}} * ''Derris emarginata'' {{small|Valeton}} * ''Derris entadoides'' {{small|(Z.Wei) Z.Q.Song}} * ''Derris ferruginea'' {{small|(Wall. ex Voigt) Benth.}} * ''Derris fordii'' {{small|Oliv.}} * ''Derris gamblei'' {{small|Soosairaj, P.Raja & Dhatchan.}} * ''Derris glabra'' {{small|Sirich.}} * ''Derris hainanensis'' {{small|Hayata}} * ''Derris hainesiana'' {{small|Thoth.}} * ''Derris harrowiana'' {{small|(Diels) Z.Wei}} * ''Derris henryi'' {{small|Thoth.}} * ''Derris heyneana'' {{small|(Wight & Arn.) Benth.}} * ''Derris kanjilalii'' {{small|K.C.Sahni & H.B.Naithani}} * ''Derris kingdonwardii'' {{small|Thoth.}} * ''Derris lacei'' {{small|Dunn}} * ''Derris laotica'' {{small|Gagnep.}} * ''Derris lasiantha'' {{small|Hayata}} * ''Derris laxiflora'' {{small|Benth.}} * ''Derris lianoides'' {{small|Elmer}} * ''Derris lushaiensis'' {{small|Thoth.}} * ''Derris luzoniensis'' {{small|(Adema) Sirich. & Adema}} * ''Derris macrocarpa'' {{small|Thoth.}} * ''Derris marginata'' {{small|(Roxb.) Benth.}} * ''Derris mariannensis'' {{small|Hosok.}} * ''Derris matthewii'' {{small|Kottaim.}} * ''Derris montana'' {{small|Benth.}} * ''Derris monticola'' {{small|(Kurz) Prain}} * ''Derris oblongifolia'' {{small|Merr.}} * ''Derris oligosperma'' {{small|K.Schum. & Lauterb.}} * ''Derris ornithocephala'' {{small|(Adema) Sirich. & Adema}} * ''Derris ovalifolia'' {{small|(Wight & Arn.) Benth.}} * ''Derris palmifolia'' {{small|Chun & F.C.How}} * ''Derris parviflora'' {{small|Benth.}} * ''Derris piscatoria'' {{small|(Blanco) Sirich. & Adema}} * ''Derris polyantha'' {{small|G.Perkins}} * ''Derris polyanthra'' {{small|Miq.}} * ''Derris pseudomarginata'' {{small|Sirich.}} * ''Derris pubipetala'' {{small|Miq.}} * ''Derris pulchra'' {{small|Gage}} * ''Derris reticulata'' {{small|Craib}} * ''Derris rubrocalyx'' {{small|Verdc.}} * ''Derris rubromaculata'' {{small|Chun & F.C.How}} * ''Derris scabricaulis'' {{small|(Franch.) Gagnep. ex F.C.How}} * ''Derris secunda'' {{small|Baker}} * ''Derris solorioides'' {{small|Sirich. & Adema}} * ''Derris spanogheana'' {{small|Blume ex Miq.}} * ''Derris taiwaniana'' {{small|(Hayata) Z.Q.Song}} * ''Derris thothathri'' {{small|Bennet}} * ''Derris tonkinensis'' {{small|Gagnep.}} * ''Derris trifoliata'' {{small|Lour.}} – common derris * ''Derris yappii'' {{small|Craib}} * ''Derris zambalensis'' {{small|Elmer}}

==See also== * "Derris" insecticides based on rotenone

==References== {{Reflist}}

==External links== *{{Wikispecies-inline}} *{{Commons category-inline}}

Category:Millettieae Category:Fabaceae genera Category:Taxa named by João de Loureiro