:''The
later homonym
In biology, a homonym is a name for a taxon that is identical in spelling to another such name, that belongs to a different taxon.
The rule in the International Code of Zoological Nomenclature is that the first such name to be published is the se ...
Vahlia
Dahl is now known as
Dombeya
''Dombeya'' is a flowering plant genus. Traditionally included in the family Sterculiaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics. These plants are known by a number of vernacular names which sometim ...
.''
''Vahlia'' is a genus of herbs and subshrubs that grow in
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 covers 6% of Earth's total surface area ...
and the
Indian subcontinent
The Indian subcontinent is a physiographical region in Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian Ocean from the Himalayas. Geopolitically, it includes the countries of Bangladesh, Bhutan, In ...
. There are at least five species.
The genus is placed alone in family ''Vahliaceae''. This family had previously been placed in the
Saxifragales
The Saxifragales (saxifrages) are an order of flowering plants (Angiosperms). They are an extremely diverse group of plants which include trees, shrubs, perennial herbs, succulent and aquatic plants. The degree of diversity in terms of vegeta ...
order, and was reassigned to the new order Vahliales in 2016 by the
APG IV system
The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was published ...
.
Species
# ''
Vahlia capensis''
(L. fil.) Thunb.;
South Africa (Cape Prov.)
# ''
Vahlia dichotoma''
(J. A. Murr.) Kuntze,
Mauritania, Algeria, Libya, Egypt, Western Sahara, Mali, Senegal, Gambia, Burkina Faso, Niger, Nigeria, Ghana, Benin, ?Togo, Central African Republic, Sudan, South Sudan, Uganda, Kenya, Tanzania, Zambia, Malawi, Mozambique, Chad, Zimbabwe, India, Sri Lanka
# ''
Vahlia digyna''
(Retz.) Kuntze Egypt (Nile Valley), Pakistan (Baluchistan, Sind, Pakistani Punjab), NW-India, Botswana, Mauritania, Senegal, Mali, Burkina Faso, NE-Nigeria, Sudan, Ethiopia, Somalia, Kenya, Tanzania, Zambia, Zimbabwe, Guinea-Bissau, Chad, etc., Madagascar
# ''
Vahlia geminiflora''
(Del.) Bridson Egypt (Nile Valley), Iran (S-Iran), Iraq (SE-Iraq: Mesopotamia), Mali, Niger, N-Nigeria, Sudan, South Sudan, Ethiopia, Eritrea, Mauritania
# ''
Vahlia somalensis''
Chiov.,
Somalia, Ethiopia, Kenya
References
* http://www.mobot.org/MOBOT/Research/APweb/orders/gentianalesweb.htm#Vahliaceae
Asterids
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