Stapelianthus[2] is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1933. The entire genus is endemic to Madagascar and is concentrated in the far south of the island.
| Stapelianthus | |
|---|---|
| |
| Stapelianthus decaryi | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Asclepiadoideae |
| Tribe: | Ceropegieae |
| Genus: | Stapelianthus Choux ex A.C.White & B.Sloane |
| Synonyms[1] | |
| |
The genus is defined by the unique corona structure of its flowers.[3][4][5]
Species
editSpecies accepted by the Plants of the World Online as of January 2023[6]
- Stapelianthus arenarius Bosser & Morat
- Stapelianthus decaryi Choux
- Stapelianthus insignis Desc.
- Stapelianthus keraudreniae Bosser & Morat
- Stapelianthus madagascariensis (Choux) A.C.White & B.Sloane
- Stapelianthus montagnacii (Boiteau) Boiteau & Bertrand
- Stapelianthus pilosus Lavranos & D.S.H
- formerly included[7]
- Stapelianthus baylissii, syn of Tridentea baylissii
- Stapelianthus choananthus, syn of Tridentea choanantha
- Taxonomy
The species are extremely close to each other genetically, however the genus overall is very divergent from its relatives on the mainland.
Phylogenetic studies have shown the genus to be most closely related to a large and widespread branch of stapeliads from mainland Africa, comprising the genera Huernia, Tavaresia and a mixed sub-branch including Orbea, Piaranthus and Stapelia.[8]
References
edit- ^ Tropicos.org, retrieved 11 March 2016
- ^ P. V. Bruyns & C. Klak (2004). "Revision of the Madagascan endemic Stapelianthus (Apocynaceae) based on molecular and morphological characters". Annals of the Missouri Botanical Garden. 91 (3): 410–437. JSTOR 3298618.
- ^ Tropicos
- ^ Bruyns P. V., Forster P. I. (1991). "Recircumscription of the Stapelieae (Asclepiadaceae)". Taxon. 40 (3): 381–391. doi:10.2307/1223217. JSTOR 1223217.
- ^ Schatz, G. E., S. Andriambololonera, Andrianarivelo, M. W. Callmander, Faranirina, P. P. Lowry, P. B. Phillipson, Rabarimanarivo, J. I. Raharilala, Rajaonary, Rakotonirina, R. H. Ramananjanahary, B. Ramandimbisoa, A. Randrianasolo, N. Ravololomanana, Z.S. Rogers, C.M. Taylor & G. A. Wahlert. 2011. Catalogue of the Vascular Plants of Madagascar. Monographs in systematic botany from the Missouri Botanical Garden
- ^ "Stapelianthus Choux ex A.C.White & B.Sloane". Plants of the World Online. Royal Botanic Gardens, Kew. 2023. Retrieved 9 January 2023.
- ^ The Plant List
- ^ Bruyns P., Klak C., Hanacek P. (2014). "Evolution of the stapeliads (Apocynaceae–Asclepiadoideae) – repeated major radiation across Africa in an Old World group". Molecular Phylogenetics and Evolution. 77 (1): 251–263. Bibcode:2014MolPE..77..251B. doi:10.1016/j.ympev.2014.03.022. PMID 24721383.
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