|
Family:
Convolvulaceae (morning glory, Sweet potato family) Life
> eukaryotes >
Archaeoplastida >
Chloroplastida
>
Charophyta > Streptophytina > Plantae (land plants)
> Tracheophyta (vascular plants) > Euphyllophyta > Lignophyta (woody plants)
> Spermatophyta (seed plants) > Angiospermae (flowering
plants) > Eudicotyledons > Order: Solanales
Ipomoea
Common Morning Glory Ipomoea purpurea,
alongside suburban road in Cape Town. Originates from Tropical America. |
Convolvulus
Convolvulus mauritanicus in the Company Gardens,
Cape Town. Native to North Africa.
|
|
There are about 57 genera and 1625 species
worldwide, with 17
genera and 130 species native to southern Africa, two genera and 13
species naturalised and an additional four genera 34 species
cultivated in the region.
Genera native to southern Africa
List from Welman (2000).
Astripomoea About 12
species, native to Africa, with three species native to southern Africa. |
|
Bonamia About 40 species,
widespread in tropics, with three species native
to southern Africa. |
|
|
Convolvulus
About 250 species, found worldwide, with 13
species indigenous and one species naturalised in southern Africa, with an
additional three species cultivated in the region. Differs from Ipomoea in having the stigma divided. |
 |
Cressa One
species native to southern Africa - Cressa cretica (recorded from
Mozambique). |
|
Cuscuta (dodders)
Parasites. About
140 species, widespread in warmer regions, with 12 species native to
southern Africa. In addition, three species are naturalised in the region,
two of which are declared Category 1 invasive
plants in South Africa. |
|
Evolvulus About 100
species, native mainly to tropical America but with two species native to southern Africa
and additional species cultivated in the region. |
|
Falkia The
three species are
native to Africa, with two of them occurring in southern Africa. |
|
Hewittia One species,
Hewittia
malabarica, which occurs in the tropics and subtropics worldwide. |
|
Ipomoea (Morning
Glory and Sweet Potato genus) About 500 species, found worldwide in tropical and subtropical
regions, with 70 species native to southern Africa, six
species naturalised and an additional 23 species cultivated in the region. Differs
from Convolvulus in not having stigma divided. |
 |
Jacquemontia About
120 species, occurring predominantly in America but also found in tropical
Africa, Asia and Australia. Jacquemontia tamnifolia
is the only species native to southern Africa. See
Flora of Zimbabwe. |
|
Lepistemon One
species native to southern Africa - Lepistemon owariense. |
|
Merremia About 80
species, worldwide in warm regions, with 13 species native to southern
Africa and two species cultivated. |
|
Paralepistemon One
species: Paralepistemon shirensis, distributed over central and
subtropical Africa, extending into Limpopo province. |
|
Seddera About 20
species, native to Africa, Madagascar, the Arabian Peninsula and India,
with three species found in southern Africa. |
|
Stictocardia About 12
species, found in tropical regions, with one species,
Stictocardia
laxiflora, native to southern Africa. In addition,
Strictocardia beraviensis is cultivated in the region. |
|
Turbina
Two species native to southern Africa. |
|
Xenostegia
The two
species are distributed over the Old World tropics, with one species,
Xenostegia
tridentata (see
Flora of Zimbabwe), native to southern Africa. |
|
Genera naturalised in southern Africa
List from Welman (2000).
Calystegia
About 25 species, native to tropical and temperate regions, with two species
naturalised in southern Africa. |
|
Dichondra About
four or five
species, native mainly to America. Dichondra micrantha is
naturalised in southern Africa. See
Flora of Zimbabwe. |
|
Other genera, cultivated in southern Africa
List from Glen (2002).
Argyreia nervosa (Elephant
climber)
Native to India. |
|
Mina lobata
Native to Mexico. |
|
Operculina turpethum
Native to from tropical Africa to Polynesia. |
|
Porana paniculata (Bridal
bouquet)
Native to India. |
|
Publications
|
