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PTAEROXYLACEAE

Field Guide to the Moist Forest Trees of Tanzania

Jon C. Lovett, Chris K. Ruffo, Roy E. Gereau & James R.D. Taplin
Illustrations by Line Sørensen & Jilly Lovett

PTAEROXYLACEAE

Ptaeroxylon obliquum (Thunb.) Radlk
Syn. FTEA: NC.
Syn. TTCL: NC.
Syn. Other: In Meliaceae in TTCL.
Local names: Mwandara (S).
Bole: Small/medium. To 16 m.
Bark: Brown/grey. Smooth with slight vertical furrows.
Slash: Yellow brown with broad white streaks.
Leaf: Even-pinnate. 3 – 8 pairs. Alternate. Lflts: Opposite.
Petiole: With rachis 12 cm. Flattened, slightly winged.
Lamina: Small. 1.8 – 6 × 0.5 – 3 cm. Oblong-lanceolate. Cuneate. Asymmetric. Obtuse/emarginate. Entire. Glabrous/hairy when young.
Domatia: NR.
Glands: NR.
Stipules: Absent.
Thorns & Spines: Absent.
Flower: Pale yellow. Axillary thyrses.
Fruit: Brown capsule 1.8 × 1.2 cm. Seed winged.
Ecology: Dry montane forest.
Distr: EA. Disjunct to South Tropical and Southern Africa.
Notes: Deciduous. Flowering with undeveloped leaves.
Uses: The wood is very handsome being rose-red or golden brown and used as furniture timber. It is also used for firewood and charcoal. The sawdust from the wood is irritating and causes severe sneezing. The resin can be used as an insecticide.
Last Updated: 18 June 2017