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Araliaceae (ivy and ginseng family)
Life
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Archaeoplastida >
Chloroplastida
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> Spermatophyta (seed plants) > Angiospermae (flowering
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> Eudicotyledons > Core Eudicots > Asterids > Euasterid II >
Order: Apiales
There are about 59 genera and 800 species in this family,
which occurs in most parts of the world with the Malaysian region being
particularly species rich. In southern Africa there are 5 genera and about 18
species, some naturalised.
Genera native to southern Africa
Based on Bredenkamp (2000).
Centella
About 50 species,
native mainly to southern Africa but with some species occurring as far
north as Malawi and one species, Centella asiatica, having a
cosmopolitan distribution. Centella used to be in the family
Apiaceae but has been transferred to the Araliaceae on the basis of
genetic evidence (Plunkett, Soltis & Soltis 1997). |
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Cussonia
The 25 species
are native to tropical and southern Africa, as well as the Mascarene
Islands. There are about 10 species in southern Africa. |
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Hydrocotyle
About 130
species, distributed worldwide with 3 indigenous and 2 naturalised species
in southern Africa. Hydrocotyle used to be in the family Apiaceae
but has been transferred to the Araliaceae on the basis of genetic
evidence (Plunkett, Soltis & Soltis 1997). |
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Schefflera
About 200
species, native to Africa, Madagascar, the Far East and New Zealand. There
is 1 species native to southern Africa,
Schefflera umbellifera. In
addition, there are five exotic species that have been cultivated in
southern Africa. |
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Seemannaralia
The single
species, Seemannaralia gerrardii, is native to southern Africa. |
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Exotic genera cultivated in southern Africa
Aralia
Aralia chinensis (from China), Aralia racemosa
(from North America) and Aralia spinosa (also from North America)
are cultivated in southern Africa. |
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Dizygotheca
Dizygotheca elegantissima is indigenous to New
Caledonia and is cultivated in southern Africa. |
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Fatsia
Fatsia japonica (Yatsude) is indigenous to Japan
and is cultivated in southern Africa. |
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Hedera
(ivies) About 9-11 species, all climbers, native to North Africa,
Canary Islands, the Azores, Madeira, and from Europe to Himalayas, China, Korea
and Japan. Common Ivy or English Ivy Hedera helix is a commonly grown
garden climber. Hedera canariensis (Canary ivy) and Hedera colchica
(Persian ivy) are also cultivated in gardens in southern Africa. |
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Heteropanax
Heteropanax fragrans, indigenous from India to
Indonesia, is cultivated in southern Africa. |
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Meryta
Meryta denhamii (indigenous to New Caledonia) and
Meryta sinclairii (Puka - indigenous to New Zealand) are cultivated
in southern Africa. |
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Neopanax
Neopanax arboreus (New Zealand cabbage tree) and
Neopanax laetus (Red-ribbed cabbage tree - also from New Zealand) are
cultivated in southern Africa. |
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Polyscias
Four species from SE Asia and the Pacific are cultivated
in southern Africa. |
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Pseudopanax
Pseudopanax lessonii (Houpara - indigenous to New
Zealand) is cultivated in southern Africa. |
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Tetrapanax Tetrapanax papyriferus (Rice-paper tree) is
indigenous to Taiwan and is cultivated in southern Africa. The pith of the
tree is used to produce rice paper. |
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Trevesia
Trevesia palmata is indigenous from India through
to China and is cultivated in southern Africa. |
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Other genera of note
Panax (Ginseng genus)
Ginseng is extracted from the roots of species in this
genus, particularly Panax pseudoginseng ( from China, Korea),
Panax ginseng and Panax quinquefolius (American ginseng -
indigenous to eastern N America). Ginseng is regarded as a stimulant with
supposed aphrodisiac
properties. |
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Publications
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Bredenkamp, C.L. 2000. Araliaceae. In: Seed Plants of
Southern Africa (ed. O.A. Leistner). Strelitzia 10: 99-100.
National Botanical Institute, Pretoria.
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Cannon, J.F.M. 1978. Araliaceae. Flora
zambesiaca 4: 621-632.
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Plunkett, G.M., Soltis, D.E. & Soltis,
P.S. 1997. Clarification of the relationship between Apiaceae and Araliaceae
based on MATK and RBCL sequence data. American Journal of Botany 84:
565-580.
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Reyneke, W.F. 1981. 'n
Morfologies-taksonomiese studie van die familie Araliaceae in suidelike
Afrika. D.Sc. study, University of Pretoria, Pretoria.
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Strey, R.G. 1981. Observations on the
morphology of the Araliaceae in southern Africa. Journal of Dendrology
1 (3&4): 66-83.
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