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ERYTHROXLACEAE

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

ERYTHROXLACEAE

Erythroxylum emarginatum Thonn.
Syn. FTEA: NC.
Syn. TTCL: E. schliebenii O.E. Schulz
Syn. other: NR.
Local names: Karra (B).
Bole: Branched/straight. Small/medium. To 25 m.
Bark: Dark grey or grey-brown, sometimes pink tinged. Vertically fissured.
Slash: NR.
Leaf: Simple. Alternate.
Petiole: 0.2 – 0.6 cm. Channelled.
Lamina: Small. 2 – 13 × 1 – 5 cm. Oblanceolate/elliptic. Cuneate/rounded. Acuminate. Emarginate. Entire. Glabrous.

Domatia: Absent.
Glands: Absent.
Stipules: Present. Persistant. Completely united.
Thorns & Spines: Absent.
Flower: White/cream. Solitary or in fasicles. Axillary. Hermaphrodite.
Fruit: Bright red. Ellipsoid berry.
Ecology: Dry lowland and dry montane forest. Thicket.
Distr: C, EA, LN, LT. Tropical and Southern Africa.
Notes: Leaves always emarginate.
Uses: Fruit edible. No other data on uses have been mentioned but E. emarginatum can be used as an ornamental plant in the garden and as a pot plant indoors.
Erythroxylum fischeri Engl.
Syn. FTEA: NC.
Syn. TTCL: NC.
Syn. other: NR.
Local names: NR.
Bole: Branched/straight. Small/medium. To 18 m.
Bark: Grey/brown. Scaly, warted.
Slash: Pale pink. Vertically streaked, discolouring.
Leaf: Simple. Alternate.
Petiole: 0.5 – 1.3 cm. Channelled.
Lamina: Small/medium. 5 – 18 × 2.5 – 7.7 cm. Elliptic/oblong. Cuneate. Acuminate/obtuse. Entire. Glabrous.
Domatia: NR.
Glands: NR.
Stipules: Triangular.
Thorns & Spines: Absent.
Flower: White/pink. Fragrant. Axillary or apparently terminal. Hermaphrodite.
Fruit: Red/orange oblong drupe. 1.5 – 1.9 cm long.
Ecology: Riverine, groundwater and lowland forest. Thicket.
Distr: C, EA, N. Eastern and Central Africa.
Notes: Leaf apex narrowly rounded.
Uses: Produces hard durable poles which are resistant to termites. Can be used for ornamental purposes in garden and indoors as a pot plant.
Last Updated: 16 June 2017