Dioclea is a genus of flowering plants in the pea family, Fabaceae, that is native to the Americas. The seeds of these legumes are buoyant drift seeds, and are dispersed by rivers.
| Dioclea | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Tribe: | Diocleae |
| Genus: | Dioclea Kunth[1] |
| Species | |
| Synonyms[1] | |
| |
Taxonomy
editA molecular phylogenetic study published in 2020 showed that when broadly circumscribed, Dioclea was not monophyletic. Many species were transferred to the genus Macropsychanthus.[2]
Species
editAs of August 2021[update], Plants of the World Online accepted the following species:[1]
- Dioclea albiflora R.S.Cowan
- Dioclea apurensis Kunth
- Dioclea burkartii R.H.Maxwell
- Dioclea fimbriata Huber
- Dioclea guianensis Benth.
- Dioclea holtiana Pittier ex R.H.Maxwell
- Dioclea lasiophylla Mart. ex Benth.
- Dioclea lehmannii Diels
- Dioclea macrantha Huber
- Dioclea ovalis R.H.Maxwell
- Dioclea paniculata Killip ex R.H.Maxwell
- Dioclea sericea Kunth
- Dioclea vallensis R.H.Maxwell
- Dioclea virgata (Rich.) Amshoff
Species transferred to Macropsychanthus include:
- Dioclea grandiflora → Macropsychanthus grandiflorus
- Dioclea macrocarpa → Macropsychanthus macrocarpus
- Dioclea megacarpa → Macropsychanthus megacarpus
- Dioclea schimpffii → Macropsychanthus schimpffii
Chemistry
editThe A-type proanthocyanidin, epigallocatechin-(2β→7,4β→8)-epicatechin, together with epicatechin, luteolin 3′β-d-glucopyranoside, chrysoeriol 7β-d-glucopyranoside and 2-methylpentan-2,4-diol, can be found in the leaves of Dioclea lasiophylla.[3]
References
edit- ^ a b c "Dioclea Kunth", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 28 August 2021
- ^ de Queiroz, Luciano Paganucci & Snak, Cristiane (2020), "Revisiting the taxonomy of Dioclea and related genera (Leguminosae, Papilionoideae), with new generic circumscriptions", PhytoKeys (164): 67–114, doi:10.3897/phytokeys.164.55441, PMC 8359005, PMID 34531697
- ^ Barreiros, André L. B. S.; David, Juceni P.; de Queiroz, Luciano P.; David, Jorge M. (December 2000). "A-type proanthocyanidin antioxidant from Dioclea lasiophylla". Phytochemistry. 55 (7): 805–8. Bibcode:2000PChem..55..805B. doi:10.1016/S0031-9422(00)00297-1. PMID 11190400.
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