Gigasiphon
{{Short description|Genus of legumes}}
{{Automatic taxobox
|image = Gigasiphon macrosiphon 0zz.jpg
|image_caption = Gigasiphon macrosiphon
|display_parents = 2
|taxon = Gigasiphon
|authority = Drake
|type_species = Gigasiphon humblotianum
|type_species_authority = (Baill.) Drake
|subdivision_ranks = Species
|subdivision = 5; see text
}}
Gigasiphon is a genus of plants in the family Fabaceae. The genus is circumscribed is defined by "a long-tubular hypanthium, an arborescent habit, and a calyx divided into two lobes."{{cite journal | title = The genus Bauhinia s.l. (Leguminosae): a phylogeny based on the plastid trnL–trnF region | year = 2009 |vauthors=Sinou C, Forest F, Lewis GP, Bruneau A | journal = Botany | volume = 87 | issue = 10 | pages = 947–960 | doi = 10.1139/B09-065 }} It includes five species native to eastern Africa, Madagascar, the Philippines, New Guinea, and Lesser Sunda Islands.[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:22484-1 ].
{{cite web | url =https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:22484-1 | title = Gigasiphon Drake | date = 2023 | website = Plants of the World Online | publisher = Royal Botanic Gardens, Kew| accessdate = 31 August 2023 }}
Species
Gigasiphon comprises the following species:{{cite web | url = http://www.ildis.org/LegumeWeb?version~10.01&genus~Gigasiphon&species~ | title = ILDIS LegumeWeb entry for Gigasiphon | author = | website = International Legume Database & Information Service | publisher = Cardiff School of Computer Science & Informatics | accessdate = 8 May 2014 }}{{cite web | url = http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?14647 | title = GRIN species records of Gigasiphon | author = USDA | author-link = USDA | author2 = ARS | author2-link = Agricultural Research Service | author3 = National Genetic Resources Program | date = | website = Germplasm Resources Information Network—(GRIN) [Online Database] | publisher = National Germplasm Resources Laboratory, Beltsville, Maryland | accessdate = 5 May 2014 }}
- Gigasiphon amplum (Span.) de Wit
- Gigasiphon dolichocalyx (Merr.) de Wit
- Gigasiphon humblotianum (Baill.) Drake
- Gigasiphon macrosiphon (Harms) Brenan
- Gigasiphon schlechteri (Harms) de Wit
Note:: Gigasiphon gossweileri is now in the African monotypic genus Tournaya