Edit History
ONCOBA Forssk. [family FLACOURTIACEAE]
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1975) Author: H. Sleumer (Rijksherbarium, Leiden)
Names
ONCOBA Forssk. [family FLACOURTIACEAE], Fl. Aegypt.-Arab.: CXIII, 103 (1775); Oliv. in F.T.A. 1: 114 (1868); Gilg in E. & P. Pf., ed. 2, 21: 401, fig. 172 (1925)
Information
Shrubs or small trees; stem and branches often spiny. Leaves deciduous, alternate, crenate-serrate, penninerved; petiole not thickened apically; stipules caducous. Flowers bisexual or polygamous (andromonoecious), Camellia-like, white, scented, solitary, axillary or terminal on short side shoots, pedunculate. Sepals 3–5, ± united at the base, ± imbricate, the outer ones gradually larger than the inner ones. Petals (5–)8–15, imbricate in bud, subequal. Stamens very numerous; filaments filiform, anthers linear to oblong, basifixed, longitudinally dehiscent, apiculate by the ± elongate connective. Ovary (wanting in ♂ flowers) sessile, unilocular, the 6–8(–10) placentas much protruding into the cavity, multi-ovulate; style columnar; stigma either peltate, i.e. formed by short subglobular and ± connate stigmatic branches (the number of the placentas), or radiate, i.e. the short stigmatic branches free, each with a capitate stigma. Fruit globular, indehiscent, 1-locular, many-seeded, smooth or with slight longitudinal ridges, the pericarp woody. Seeds embedded in an edible pulp, with a smooth bony testa.
Range
A genus of 4 species in tropical (and partly subtropical) Africa, one of them also in and one limited to East Africa.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1975) Author: H. Sleumer (Rijksherbarium, Leiden)
Names
ONCOBA Forssk. [family FLACOURTIACEAE], Fl. Aegypt.-Arab.: CXIII, 103 (1775); Oliv. in F.T.A. 1: 114 (1868); Gilg in E. & P. Pf., ed. 2, 21: 401, fig. 172 (1925)
Information
Shrubs or small trees; stem and branches often spiny. Leaves deciduous, alternate, crenate-serrate, penninerved; petiole not thickened apically; stipules caducous. Flowers bisexual or polygamous (andromonoecious), Camellia-like, white, scented, solitary, axillary or terminal on short side shoots, pedunculate. Sepals 3–5, ± united at the base, ± imbricate, the outer ones gradually larger than the inner ones. Petals (5–)8–15, imbricate in bud, subequal. Stamens very numerous; filaments filiform, anthers linear to oblong, basifixed, longitudinally dehiscent, apiculate by the ± elongate connective. Ovary (wanting in ♂ flowers) sessile, unilocular, the 6–8(–10) placentas much protruding into the cavity, multi-ovulate; style columnar; stigma either peltate, i.e. formed by short subglobular and ± connate stigmatic branches (the number of the placentas), or radiate, i.e. the short stigmatic branches free, each with a capitate stigma. Fruit globular, indehiscent, 1-locular, many-seeded, smooth or with slight longitudinal ridges, the pericarp woody. Seeds embedded in an edible pulp, with a smooth bony testa.
Range
A genus of 4 species in tropical (and partly subtropical) Africa, one of them also in and one limited to East Africa.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1975) Author: H. Sleumer (Rijksherbarium, Leiden)
Names
ONCOBA Forssk. [family FLACOURTIACEAE], Fl. Aegypt.-Arab.: CXIII, 103 (1775); Oliv. in F.T.A. 1: 114 (1868); Gilg in E. & P. Pf., ed. 2, 21: 401, fig. 172 (1925)
Information
Shrubs or small trees; stem and branches often spiny. Leaves deciduous, alternate, crenate-serrate, penninerved; petiole not thickened apically; stipules caducous. Flowers bisexual or polygamous (andromonoecious), Camellia-like, white, scented, solitary, axillary or terminal on short side shoots, pedunculate. Sepals 3–5, ± united at the base, ± imbricate, the outer ones gradually larger than the inner ones. Petals (5–)8–15, imbricate in bud, subequal. Stamens very numerous; filaments filiform, anthers linear to oblong, basifixed, longitudinally dehiscent, apiculate by the ± elongate connective. Ovary (wanting in ♂ flowers) sessile, unilocular, the 6–8(–10) placentas much protruding into the cavity, multi-ovulate; style columnar; stigma either peltate, i.e. formed by short subglobular and ± connate stigmatic branches (the number of the placentas), or radiate, i.e. the short stigmatic branches free, each with a capitate stigma. Fruit globular, indehiscent, 1-locular, many-seeded, smooth or with slight longitudinal ridges, the pericarp woody. Seeds embedded in an edible pulp, with a smooth bony testa.
Range
A genus of 4 species in tropical (and partly subtropical) Africa, one of them also in and one limited to East Africa.
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