Rutaceae

Zanthoxylum chalybeum

Knobwood · Mng'ong'o

Small/Medium Tree

Common speciesNotes pending review

Size

Quantity

Not currently in stock. We can propagate or source this species — add to your order and we'll confirm timeline and availability.

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About

This small to medium tree is notable for its unique bark, covered in prominent conical knobs that are often spine-tipped. Its aromatic leaves, bark, and roots have a long history of traditional medicinal uses in East Africa.

Where it works in Kilifi

Ideal for a full sun position in well-drained Kilifi soils, this tree makes an excellent specimen due to its unique trunk. It is also valuable for attracting birds and for coastal restoration projects.

Growing notes

It exhibits a moderate growth rate and is highly drought-tolerant once established, requiring minimal watering. Prefers well-drained soil but is adaptable to various types.

Sources

Drafted from: Gemini 2.5 Flash. Please verify with local knowledge before relying on these notes.