''Dioclea'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the

pea The pea is most commonly the small spherical seed or the seed-pod of the flowering plant species ''Pisum sativum''. Each pod contains several peas, which can be green or yellow. Botanically, pea pods are fruit, since they contain seeds and d ...

family, Fabaceae, that is native to the

Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...

. The

seed A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...

s of these legumes are

buoyant Buoyancy (), or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pr ...

drift seed __NOTOC__ Drift seeds (also sea beans) and drift fruits are seeds and fruits adapted for long-distance dispersal by water. Most are produced by tropical trees, and they can be found on distant beaches after drifting thousands of miles through oce ...

s, and are dispersed by rivers.

Taxonomy

A molecular phylogenetic study published in 2020 showed that when broadly

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

, ''Dioclea'' was not monophyletic. Many species were transferred to the genus '' Macropsychanthus''.

Species

, Plants of the World Online accepted the following species: *'' Dioclea albiflora'' R.S.Cowan *'' Dioclea apurensis'' Kunth *'' Dioclea burkartii'' R.H.Maxwell *'' Dioclea fimbriata'' Huber *''

Dioclea guianensis ''Dioclea guianensis'' is a species of legume native to the Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North America, North and South America. The Americas make up mo ...

'' Benth. *'' Dioclea holtiana'' Pittier ex R.H.Maxwell *''

Dioclea lasiophylla Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' Mart. ex Benth. *'' Dioclea lehmannii'' Diels *''

Dioclea macrantha Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' Huber *''

Dioclea ovalis Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' R.H.Maxwell *''

Dioclea paniculata Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' Killip ex R.H.Maxwell *''

Dioclea sericea Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' Kunth *''

Dioclea vallensis Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' R.H.Maxwell *''

Dioclea virgata Dioclea or Diocleia, and also Dioklea or Diokleia may refer to : * Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men * Dioclea (state), a medieval state of Duklja, i ...

'' (Rich.) Amshoff Species transferred to ''Macropsychanthus'' include: * ''Dioclea grandiflora'' → ''

Macropsychanthus grandiflorus ''Macropsychanthus grandiflorus'' is a species of legume native to South America (Bolivia and Brazil). The seeds of ''Macropsychanthus grandiflorus'' contain a well-characterized lectin Lectins are carbohydrate-binding proteins that are high ...

'' * ''Dioclea macrocarpa'' → ''

Macropsychanthus macrocarpus ''Macropsychanthus'' is a genus of flowering plants in the legume family, Fabaceae. It belongs to the tribe Diocleae, subfamily Faboideae. Taxonomy Many species of '' Dioclea'' were transferred to the genus ''Macropsychanthus'' as a result of a ...

'' * ''

Dioclea schimpffii ''Macropsychanthus schimpffii'' is a species of legume in the family Fabaceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical moist lowland forest A forest is an area of land dominated by trees. Hundreds of d ...

'' → ''

Macropsychanthus schimpffii ''Macropsychanthus schimpffii'' is a species of legume in the family Fabaceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical moist lowland forest A forest is an area of land dominated by trees. Hundreds of d ...

Chemistry

The A-type proanthocyanidin, epigallocatechin-(2β→7,4β→8)-epicatechin, together with

epicatechin Catechin is a flavan-3-ol, a type of secondary metabolite providing antioxidant roles in plants. It belongs to the subgroup of polyphenols called flavonoids. The name of the catechin chemical family derives from ''catechu'', which is the tanni ...

, luteolin 3′β-d-glucopyranoside, chrysoeriol 7β-d-glucopyranoside and 2-methylpentan-2,4-diol, can be found in the leaves of ''

''.

References

Faboideae Fabaceae genera {{Faboideae-stub