Dichondreae

Dichondreae
	Dichondra micrantha
Systematics
	Nuclear eudicotyledons
	Asterids
	Euasterids I
Order :	Nightshade (Solanales)
Family :	Bindweed family (Convolvulaceae)
Tribe :	Dichondreae
Scientific name
	Dichondreae
	( Choisy ) Choisy

Dichondreae is a tribe from the family of wind plants (Convolvulaceae). The type genus is dichondra .

description

Representatives of the tribe dichondreae are prostrate herbaceous plants to lianas . The base of the leaf blades is heart-shaped or sometimes wedge-shaped. The flowers are radially symmetrical and hermaphroditic. The sepals are identical and can enlarge on the fruit. The stamens are flattened and hairy. The pollen grains are tricolated and not prickly. The stylus is partially digested to completely spherical and carries scars . The fruits are nuts that do not pop open .

Occurrence

The genera of the tribe dichondreae occur in America , Africa , Australia , in Southeast Asia and on Madagascar .

Systematics

The following genera belong to the tribe dichondreae:

Dichondra J.R. Forst. & G.Forst. : With around 9–15 species
Falkia Thunb. : With three kinds; they occur in Africa
Metaporana N.E.Br. : With six kinds; they occur in East Africa, Madagascar and Socotra
Nephrophyllum A. Rich. : With only one type:
- Nephrophyllum abyssinicum A.Rich. ; it occurs in Ethiopia
Petrogenia I.M.Johnst. : With only one type:
- Petrogenia repens I.M.Johnst. : it occurs in Mexico
Porana Burm. f. : With one species that occurs from Southeast Asia to the Philippines and one species that occurs in Mexico.

For the time being, the following genera are also included in the tribe:

Calycobolus Roem. & Schult. : With about 30 kinds; they occur in tropical Africa, tropical America, and Madagascar
Dipteropeltis Hallier f. : With three kinds; they occur in tropical West Africa
Rapona Baill. : With only one type:
- Rapona tiliifolia (Baker) Verdc. : It occurs in Madagascar

According to the cladistic definition, the tribe corresponds to the most comprehensive clade in the Dichondra repens JR Forst. & G. Forst. is classified, but not Jacquemontia pentanthos (Jacq.) G. Don or Cressa cretica L.

swell

Saša Stefanovic, Daniel Austin and Richard Olmstead: Classification of Convolvulaceae: A Phylogenetic Approach (PDF; 318 kB). In: Systematic Botany , Volume 28, Number 4, 2003. pp. 791-806.

supporting documents

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ David John Mabberley: Mabberley's Plant-Book. A portable dictionary of plants, their classification and uses . 3rd ed. Cambridge University Press 2008. ISBN 978-0-521-82071-4
↑ Rafaël Govaerts (Ed.): Dichondra - data sheet at World Checklist of Selected Plant Families of the Board of Trustees of the Royal Botanic Gardens, Kew. Last accessed on February 14, 2015.

Web links

Commons : Dichondreae - collection of images, videos and audio files

[Mabberley2008-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ David John Mabberley: Mabberley's Plant-Book. A portable dictionary of plants, their classification and uses . 3rd ed. Cambridge University Press 2008. ISBN 978-0-521-82071-4

[WCSP-2] Rafaël Govaerts (Ed.): Dichondra - data sheet at World Checklist of Selected Plant Families of the Board of Trustees of the Royal Botanic Gardens, Kew. Last accessed on February 14, 2015.