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Angle Stem Spikethorn

Gymnosporia heterophylla

Also called Angular Stemmed Spikethorn, Common Spike Thorn, Common Spikethorn

Angle Stem Spikethorn
Photo: Rotational, Public domain
Family
Celastraceae (Celastr family)
Grows as
Tree
Native range
S. Africa
Climate
subtropical

About

Gymnosporia heterophylla, the common spike-thorn, is a small, hardy, deciduous African tree up to 5 m tall, occurring in rocky places with a wide distribution from Ethiopia, the Sudan and the Congo, south to the Cape Province and west to Angola and Namibia, as well as the neighbouring islands of Madagascar and Saint Helena, with a closely related species from Mauritius.

It has a straggly, but rigid habit and is armed with sharp straight thorns up to 100mm long, which are modified branches. Bark on the mature trunk is grey-brown and deeply fissured. The tree is dioecious, and clusters of white flowers are produced in profusion in spring and are borne on thicker twigs and branches. The flowers have a fetid, faecal smell and attract large numbers of pollinating insects, particularly carrion-loving flies such as members of the family Calliphoridae.

Other Gymnosporia plants

Gymnosporia addat · Gymnosporia arbutifolia · Willow Spike Thorn · Camassiwood · Gymnosporia cassinoides · Dhofar Spikethorn · Gymnosporia harenensis · Forest Maytenus · Gymnosporia pertinax · Maytenus senegalensis · Gymnosporia stylosa · Bell Spike Thorn

Text excerpted from the Wikipedia article Gymnosporia heterophylla by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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