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OCHNACEAE

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

OCHNACEAE

Brackenridgea zanguebarica Oliv.
Syn. FTEA: NP.
Syn. TTCL: NC.
Syn. other: NR.
Local names: Mchonga mahana (SW, D).
Bole: Small. To 10 m.
Bark: Black/dark grey. Rough/finely reticulate.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: 0.2 – 0.3 cm.
Lamina: Small. 3 – 8 × 1 – 3 cm. Oblong/elliptic/lanceolate/obovate. Cuneate. Acute/acuminate/mucronate. Serrate.
Domatia: Absent.
Glands: On leaf margin.
Stipules: Falling.
Thorns and spines: Absent.
Flower: White-creamy white. Sepals crimson. Solitary fasicles. Axillary.
Fruit: Drupes curved-lenticular.
Ecology: Dry lowland forest. Woodland.
Distr: C. Coastal Kenya, Malawi, Mozambique, Zimbabwe.
Notes: NR.
Uses: The bark is used for a yellow dye for mats.
Ochna holstii Engl.
Syn. FTEA: NP.
Syn. TTCL: O. prunifolia Engl., O. densicoma Engl. & Gilg
Syn. other: NR.
Local names: Mkamachuma (Sw), Mtakula (S).
Bole: Straight. Medium/large. To 30 m.
Bark: Grey/pale brown/orange. Smooth.
Slash: Pale orange on outside becoming brown/red with white lines toward wood. Granular/fibrous. Hard.
Leaf: Simple. Alternate.
Petiole: 0.1 – 0.4 cm. Channeled. Flattened.
Lamina: Small/medium. 5 – 12 × 1.5 – 4 cm. Elliptic/oblong/lanceolate. Cuneate. Acute/acuminate. Serrate. Glabrous.
Domatia: Absent.
Glands: Absent.
Stipules: Present.
Thorns & Spines: Absent.
Flower: Pale to bright yellow. Infloresence an elongated axillary raceme. Hermaphrodite.
Fruit: Flattened-cylindric. 9 – 12 × 6 – 7 cm.
Ecology: Submontane and montane forest.
Distr: C, EA, N, LN, LT. Eastern and Southern Africa including Eastern Democratic Republic of Congo.
Notes: NR.
Uses: The wood is moderately hard, heavy but perishable. It is used for firewood, charcoal, tool handles, domestic utensils, grain mortars and stools. It is also used for shade and amenity. The bark produces a yellow dye.
Ouratea densiflora De Wild & T. Durand
Syn. FTEA: NP.
Syn. TTCL: NC.
Syn. other: NR.
Local names: NR.
Bole: Small. To 12 m.
Bark: Grey. Smooth.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: NR.
Lamina: Medium. 12 – 32 × 5 – 12 cm. Elliptic/obovate. Cuneate. Acute. Serrate. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Falling.
Thorns & Spines: Absent.
Flower: Yellow. Panicles.
Fruit: Black drupelets. 0.9 × 0.6 cm.
Ecology: Groundwater forest.
Distr: LV. Uganda, Central Africa, Sudan, Zambia.
Notes: NR.
Uses: NR.
Ouratea hiernii (Tiegh.) Exell
Syn. FTEA: NP.
Syn. TTCL: O. bukobensis Gilg
Syn. other: NR.
Local names: NR.
Bole: Small. To 12 m.
Bark: Brown.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: NR.
Lamina: Medium. 10 – 23 × 3.5 – 6.7 cm. Elliptic/obovate. Cuneate. Acute/obtuse. Serrate. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Falling.
Thorns & Spines: Absent.
Flower: Yellow. Panicles.
Fruit: Black druplets.
Ecology: Groundwater forest.
Distr: LV. Uganda, Central and West-central Africa.
Notes: NR.
Uses: NR.
Ouratea sacleuxii (Tiegh.) Beentje
Syn. FTEA: NP.
Syn. TTCL: O. sp. no. 7.
Syn. other: NR.
Local names: NR.
Bole: Small. To 10 m.
Bark: NR.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: NR.
Lamina: Medium. 19 – 34 × 4.5 – 9 cm. Elliptic/obovate. Rounded/cordate. Serrate. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Falling.
Thorns & Spines: Absent.
Flower: Yellow. Unbranched spike.
Fruit: Black drupelets 0.6 cm in diameter.
Ecology: Riverine, lowland forest.
Distr: EA (Ul).
Notes: NR.
Uses: NR.
Ouratea scheffleri Engl. & Gilg
Syn. FTEA: NP.
Syn. TTCL: NC.
Syn. other: NR.
Local names: NR.
Bole: Small/medium. To 20 m.
Bark: NR.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: NR.
Lamina: Small/medium. 9 – 20 × 2.5 – 7 cm. Cuneate/rounded. Acute/obtuse. Serrate. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Falling.
Thorns & Spines: Absent.
Flower: Yellow. Lax axillary racemes.
Fruit: NR.
Ecology: Submontane forest.
Distr: EA (EUs).
Notes: Sometimes confused with O. schusteri.
Uses: This species is used for firewood, charcoal, tool handles, spoons, shade and amenity.
Ouratea schusteri Engl.
Syn. FTEA: NP.
Syn. TTCL: NC.
Syn. other: NR.
Local names: NR.
Bole: Small. To 12 m.
Bark: Grey.
Slash: Dark red with white edge.
Leaf: Simple. Alternate.
Petiole: NR.
Lamina: Small/medium. 7.5 – 15 × 3 – 7.5 cm. Elliptic/obovate. Cuneate. Obtuse. Serrate. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Falling.
Thorns & Spines: Absent.
Flower: Yellow. Unbranched spike.
Fruit: NR.
Ecology: Montane and upper montane forest.
Distr: EA (Te, Ul, Udz).
Notes: NR.
Uses: Used for tool handles, firewood, charcoal, shade and for ornamental purposes.
Ouratea warneckei Gilg ex Engl.
Syn. FTEA: NP.
Syn. TTCL: NR.
Syn. other: NR.
Local names: Kidada (S).
Bole: Small. To 12 m.
Bark: NR.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: NR.
Lamina: Medium. 5 – 16 × 1 – 3.4 cm. Lanceolate/oblong. Cuneate. Acute/acuminate. Serrate. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Falling.
Thorns & Spines: Absent.
Flower: Yellow in terminal racemes.
Fruit: NR.
Ecology: Submontane forest.
Distr: C, EA (EUs).
Notes: NR.
Uses: Used for firewood, tool handles, charcoal, spoons, shade and amenity.
Last Updated: 18 June 2017