Belonophora Hook.F.

Genus

Angiosperms > Gentianales > Rubiaceae

Characteristics

Trees or shrubs with much the appearance of Coffea. Leaves paired; stipules elliptic, lanceolate or triangular, often tapering-subulate, deciduous. Flower sessile in fascicles on both sides of successive nodes. Calyx bracteolate at the base; tube campanulate; limb with 5 rounded imbricate lobes. Corolla salver-shaped, the tube slender, somewhat narrowed at the base, adpressed pubescent outside, glabrous at the throat; lobes 5, narrowly oblong, contorted to the right as seen in plan view, adpressed puberulous. Anthers sessile, included in the corolla-tube, linear. Disc cushion-shaped. Ovary 2-locular, each locule with a pendulous placenta bearing 2 collateral ovules inserted on its inner face; style included, divided into 2 papillose subulate branches. Fruits globose or ellipsoid-globose, 2-locular, with leathery wall, marked at the apex with evident remains of the disc and calyx-lobes. Seeds 2–4 per fruit, pendulous; albumen horny; testa apparently absent; embryo with radicle superior.
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Ovary 2-locular, each locule with a pendulous placenta bearing 2 collateral ovules inserted on its inner face; style included, either at the same level as the anthers or well below them, divided into 2 papillose subulate branches.
Corolla salver-shaped, the tube slender, somewhat narrowed at the base, appressed pubescent outside, glabrous at the throat; lobes 5, narrowly oblong, contorted to the right (TAB 73/D1), appressed puberulous.
Fruits stipitate, globose or ellipsoid-globose, 2-celled, with a leathery wall, marked at the apex with evident remains of the disk and calyx lobes.
Flowers sessile in axillary fascicles; subtended by a series of bracteoles, the lowermost cupular, dimorphic (but not truly heterostylous).
Leaves paired; stipules elliptic, lanceolate or triangular, often tapering-subulate, deciduous.
Anthers sessile, included in the corolla tube, either at the throat or lower down, linear.
Trees or shrubs with much the appearance of coffeeplants.
Calyx tube campanulate with 5 rounded imbricate lobes.
Seeds 2–4 per fruit, pendulous; albumen horny.
Disk cushion-shaped.
Testa present.
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Foliage retention deciduous
Sexuality hermaphrodite
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Environment

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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Belonophora world distribution map, present in Angola, Benin, Central African Republic, Congo, Gabon, Ghana, Guinea, Liberia, Nigeria, Sudan, Sierra Leone, Chad, Togo, Tanzania, United Republic of, Uganda, and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:34213-1
WFO ID wfo-4000004382
COL ID 8VVJF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Belonophora

Lower taxons

Belonophora ongensis Belonophora wernhamii Belonophora coriacea Belonophora talbotii Belonophora coffeoides