Zanthoxylum davyi

Forest knobwood
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Rutaceae
Genus: Zanthoxylum
Species: Z. davyi
Binomial name
Zanthoxylum davyi
(I.Verd.) Waterm.
Synonyms
  • Fagara davyi I.Verd.
  • Z. thunbergii DC.
  • Z. thunbergii var. grandifolia Harv.
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The Forest knobwood (Zanthoxylum davyi) is a dioecious species of plant in the Rutaceae family. It is native to the Western Cape, Eastern Cape, KwaZulu-Natal, Mpumalanga and Limpopo provinces of South Africa, western Swaziland and eastern Zimbabwe. It occurs in coastal and mistbelt forests, and grows some 10 to 24 m tall.[1]

Bole and bark

Their sturdy, straight trunks are heavily armed with hornlike knobs.[1]

Foliage and flowers

The compound leaves are 5 to 30 cm long.[1]

Species interactions and uses

Birds eat the fruit. [1]

Similar species

Similar species are the smaller Z. capense which occurs in mostly dryer inland regions, and Z. leprieurii which is native to sand forests of subtropical lowlands.

References

  1. 1.0 1.1 1.2 1.3 Pooley, Elsa (2006). Forest plants in the forest and in the garden. Pinetown: The flora publications trust. p. 47. ISBN 0-620-37012-2.