Hugonia

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Hugonia

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Description

Leaves spirally arranged. Stipules palmatifid-laciniate, pinnati-lobed or simple, entire or dentate. Flowers in axillary or terminal more or less densely flowered racemes or leafy or leafless panicles, or axillary, in few-flowered cymes or solitary, rarely ramiflorous. Sepals free, unequal, rarely subequal. Petals shortly clawed or thickened at base. Ovary 5(-6)-loculed; Seeds 1 per locule, 2-4(-5) developed per fruit, apically attached.

Distribution

Africa present: Senegal (Senegal present), Asia-Tropical: Borneo present; Maluku (Maluku present); New Guinea present; Sri Lanka (Sri Lanka present); Sumatera (Sumatera present), Australasia: Queensland (Queensland present), Bombay in India at 20° Ν present, E. Malesia present, Indonesia present, Madagascar at c. 25° S present, Mauritius present, New Caledonia present, Old World present, Pacific: Fiji (Fiji present ‒ present), SE. Asia present, Solomons present
About 40 spp., in the Old World reaching from Senegal in the west to Fiji in the east and from Bombay in India at 20° Ν as far as Madagascar at c. 25° S; in Malesia 2 spp., one in the west (Sumatra, Borneo) and a second one in the east (Moluccas, New Guinea).
They belong to two allopatric sections: sect. Hugonia possesses some 30 spp. in Africa, Mauritius, and 4 spp. in SE. Asia (Sri Lanka, Indonesia, Malesia); sect. Durandea (PLANCH.) BAILLON has 4 spp. in E. Malesia, Queensland, Solomons, New Caledonia (2 or 3 endemic), and Fiji.

Citation

HALL. 1923 – In: Beih. Bot. Centralbl.: 43
LINNE 1753: Sp. Pl.: 675
VAN HOOREN & NOOTEBOOM 1984: p. 553. – In: Blumea: map.
HUB.WINKLER 1931 – In: E. & P., Nat. Pfl. Fam., ed. 2, 19a: 108
HUB.WINKLER 1931 – In: Ε. & P., Nat. Pfl. Fam., ed. 2, 19a: 108
STAPF 1906 – In: Hook., Ic. Pl.: t. 2822