''Oedera'' is a genus of
African
flowering plants in the tribe
Gnaphalieae within the family
Asteraceae. The genus is named in honor of the Danish botanist
Georg Christian Oeder.
The species have yellow central and ray florets in their
flower-heads. Their seeds all have a little crown of scales, and the leaves are often fragrant and unpalatable for stock grazing.
; Species
Species accepted by the
Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
as of March 2024:
*''
Oedera acerosa
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera calycina
''Oedera calycina'' is a shrublet belonging to the daisy family (Compositae or Asteraceae). It is found in rocky Fynbos and Renosterveld vegetation, growing in rocky, loamy or sandy soil, in the Western Cape Province and Eastern Cape Provinc ...
''
*''
Oedera capensis
''Oedera capensis'' is a prickly shrublet belonging to the family Asteraceae. It has stems that branch only at the foot and are densely set over their entire length with narrowly triangular leathery leaves with a sharp tip at approximately right ...
''
*''
Oedera conferta
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera corymbosa
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera decussata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera dieterlenii
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera epaleacea
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera flavicoma
''Oedera flavicoma'' is a species of flowering plant in the family Asteraceae. It is native to Cape Province in South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounde ...
''
*''
Oedera foveolata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera fruticosa
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower-h ...
''
*''
Oedera garnotii
''Oedera garnotii'' is a shrublet belonging to the daisy family (Compositae or Asteraceae), indigenous to the southern Overberg region of the Western Cape Province, South Africa.
Description
''Oedera garnotii'' is a small shrublet, with sho ...
''
*''
Oedera genistifolia
''Oedera genistifolia'' ("Klein Perdekaroo") is a prickly shrublet belonging to the family Asteraceae.
It is an abundant and common species in the southwestern cape, South Africa
South Africa, officially the Republic of South Africa (RS ...
''
*''
Oedera glandulosa
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera hirta
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera humilis
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera imbricata
''Oedera imbricata'' is a prickly shrublet belonging to the family Asteraceae.
It is indigenous to the southern Cape region of South Africa, where it occurs in Fynbos and Renosterveld vegetation, from the West Coast, eastwards as far as Grahams ...
''
*''
Oedera intermedia
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera laevis
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera longipes
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera montana
''Oedera montana'' is a species of South African flowering plants in the family Asteraceae. It is endemic to the Cape Provinces. It was once assigned to the genus ''Oreoleysera'', and was the only species recognized in that genus.Bremer, Kåre. ...
''
*''
Oedera muirii
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera multipunctata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera nordenstamii''
*''
Oedera oppositifolia''
*''
Oedera pungens
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera relhanioides''
*''
Oedera resinifera''
*''
Oedera rotundifolia''
*''
Oedera sedifolia''
*''
Oedera silicicola
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera spathulifolia
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera speciosa
''Oedera speciosa'' is a shrublet belonging to the family Asteraceae, indigenous to the southern Cape, South Africa.
Description
''Oedera speciosa'' is a shrub that reaches a height of 1-2 meters (the tallest in its genus), with stiff, recurve ...
''
*''
Oedera spinescens
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera squarrosa
''Oedera squarrosa'' ("Vierkant-perdekaroo") is a prickly shrublet belonging to the family Asteraceae.
It is an abundant and common species in the southwestern Cape Provinces of South Africa ( Namaqualand to Port Elizabeth). It is most commonl ...
''
*''
Oedera steyniae
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera tricephala
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower ...
''
*''
Oedera uniflora''
*''
Oedera virgata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flo ...
''
*''
Oedera viscosa''
; formerly included
see ''
Flaveria
''Flaveria'' is a genus of plants in the family Asteraceae. They are sometimes called yellowtops. Some are annual or perennial herbs and some are shrubs. They bear yellow flowers in heads, with zero, one, or two ray florets in each head. These pl ...
Heterolepis
''Heterolepis'' is a genus of flowering plants in the sunflower family.Per Ola Karis. 2007. "Arctotideae" pages 200-207. In: Klaus Kubitzki (series editor); Joachim W. Kadereit and Charles Jeffrey (volume editors). ''The Families and Genera o ...
Hirpicium
''Hirpicium'' is a genus of Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it co ...
''
* ''Oedera aliena''
L.f. - ''
Heterolepis aliena
''Heterolepis'' is a genus of flowering plants in the sunflower family.Per Ola Karis. 2007. "Arctotideae" pages 200-207. In: Klaus Kubitzki (series editor); Joachim W. Kadereit and Charles Jeffrey (volume editors). ''The Families and Genera o ...
''
(L.f.) Druce
* ''Oedera alienata''
Thunb. - ''
Hirpicium alienatum
''Hirpicium'' is a genus of African flowering plants in the daisy family
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly r ...
''
(Thunb.) Druce
* ''Oedera trinervia''
Spreng. - ''
Flaveria trinervia
''Flaveria trinervia'' is a species of flowering plant in the family Asteraceae known by the common names clustered yellowtops, speedyweed, and yellow twinstem. It is native to parts of the Americas, including the southeastern and southwestern Un ...
''
(Spreng.) C.Mohr
References
Flora of Africa
Asteraceae genera
{{Gnaphalieae-stub