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SIMAROUBACEAE

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

SIMAROUBACEAE

Harrisonia abyssinica Oliv.
Syn. FTEA: NC.
Syn. TTCL: NC.
Syn. other: NR.
Local names: NR.
Bole: Small. To 10 m.
Bark: Corky, pale with conical corky bases.
Slash: NR.
Leaf: Odd pinnate. 3 – 6 pairs of leaflets. Lflt: Subopposite, sessile.
Petiole: With rachis 2.5 – 25 cm long; nearly unwinged or with wing to 0.3 cm wide.
Lamina: Small. 0.7 – 7 × 0.5 – 3 cm. Elliptic/obovate. Acute/round. Cuneate. Asymmetric. Serrate. Hairy. Pubescence of simple hairs.
Domatia: Absent.
Glands: Absent.
Stipules: NR.
Thorns and spines: Recurved in corky bosses on stem. Often paired.
Flower: White-yellow. Axillary panicles.
Fruit: 4 – 5 lobed berry, bright red when ripe. 1 cm in diameter.
Ecology: Dry lowland and riverine forest. Woodland. Thicket.
Distr: C, EA, N, LN, LT, LV. Tropical Africa.
Notes: NR.
Uses: NR.
Quassia undulata (Guill. et Perr.) D. Dietr.
Syn. FTEA: NC.
Syn. TTCL: Odyendea zimmermannii Engl.
Syn. other: NR.
Local names: Banku (S), Hanko (Z), Mbanku (S), Kuti (S), Mjoho (Sw).
Bole: Straight. Large. To 30 m.
Bark: Brown. Smooth. With horizontal rings.
Slash: Pale yellow. Smooth/slightly granular. Soft.
Leaf: Odd-pinnate. 3 – 4 pairs of leaflets.
Petiole: Rachis 30 – 40 cm.
Lamina: Small. 7.5 – 12 × 4 – 5.3 cm. Oblong/elliptic. Cuneate. Asymmetric. Obtuse/apiculate. Entire. Glabrous.
Domatia: Absent.
Glands: Pellucid dots in leaves.
Stipules: Absent.
Thorns & Spines: Absent.
Flower: Terminal panicles. Green.
Fruit: NR.
Ecology: Lowland and submontane forests.
Distr: C, EA. Tropical Africa.
Notes: Odyendea zimmermannii has been sunk into the very variable and widespread Quassia undulata, but it is distinctive and perhaps should be represented at some taxonomic rank.
Uses: The wood is used for plywood. The tree has dense shade.
Last Updated: 19 June 2017