Ptaeroxylon obliquum (Thunb.) Radlk.

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Ptaeroxylon obliquum

Photo: Bart Wursten
Maleme Dam camp

Ptaeroxylon obliquum

Photo: Bart Wursten
Maleme Dam camp

Ptaeroxylon obliquum

Photo: Bart Wursten
Maleme Dam camp

Ptaeroxylon obliquum

Photo: Bart Wursten
Maleme Dam camp

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Ptaeroxylon utile Eckl. & Zeyh.
Rhus obliqua Thunb.
Common names: Sneezewood (English) Umbengahonye (Ndebele) Umnembu (Ndebele) Umpahla (Ndebele) Umpandula (Ndebele)
Frequency:
Status: Native
Description:
Shrub or small to medium-sized deciduous tree. Bark whitish-grey, smooth when young, fissured in older specimens. Leaves opposite, crowded near the ends of branches, paripinnate with 3-7 pairs of leaflets, aromatic when crushed. Leaflets usually c. 2.5 × 1.3 cm, markedly asymmetric, blue-green to dark green, hairless; translucent gland-dots present; apex rounded or notched; margin entire. Flowers in axillary branched heads, white to creamy-yellow, unisexual on different trees, sweetly scented. Fruit a 2-winged capsule, notched at the base and apex, c. 2 × 1.5 cm, yellowish to reddish-brown with conspicuous veins, dehiscent into 2 valves, which remain on the tree for some time.
Notes:
Derivation of specific name: obliquum: oblique, asymmetric, referring to the leaflets.
Habitat: In open woodland and scrub, often in rocky terrain.
Altitude range: (metres) Up to 1525 m
Flowering time:Aug - Dec
Worldwide distribution: Angola, Botswana, Namibia, Tanzania, Mozambique, Zambia, Zimbabwe, Swaziland and South Africa as far as the Eastern Cape.
Zimbabwe distribution: W,S
Growth form(s): Tree, shrub over 2 m.
Endemic status:
Red data list status:
Insects associated with this species: Papilio demodocus demodocus (Food plant)
Spot characters: Display spot characters for this species
Images last updated: Saturday 14 February 2009
Literature:

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 257.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 99.

White, F. & Styles, B.T. (1966). Ptaeroxylaceae Flora Zambesiaca 2(2) Pages 548 - 550. (Includes a picture).


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Other sources of information about Ptaeroxylon obliquum:

Our websites:

Flora of Botswana: Ptaeroxylon obliquum
Flora of Caprivi: Ptaeroxylon obliquum
Flora of Mozambique: Ptaeroxylon obliquum
Flora of Zambia: Ptaeroxylon obliquum

External websites:

African Plant Database: Ptaeroxylon obliquum
Biodiversity Explorer (Biodiversity of southern Africa): Ptaeroxylon obliquum
EOL (Encyclopedia of Life): Ptaeroxylon obliquum
ePIC (electronic Plant Information Center): Ptaeroxylon obliquum
Flora Zambesiaca web site: Ptaeroxylon obliquum
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Ptaeroxylon obliquum
IPNI (International Plant Names Index): Ptaeroxylon obliquum
Ispot Southern Africa : Ptaeroxylon obliquum
JSTOR Plant Science: Ptaeroxylon obliquum
Kew Herbarium catalogue: Ptaeroxylon obliquum
Tropicos: Ptaeroxylon obliquum
West African Plants database: Ptaeroxylon obliquum


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Ptaeroxylon obliquum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=137540, retrieved 3 December 2016

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