Jasminum cuneatum Jongkind, 2010

Jongkind, Carel C. H., 2010, Jasminum cuneatum Jongkind (Oleaceae), a new species from Guinée, Liberia and Côte d’Ivoire, Adansonia (3) 32 (1), pp. 141-143 : 143

Jasminum cuneatum Jongkind , sp. nov.

( Fig. 1 )

Species nova J. kwangense Liben affinis, sed foliis tenioribus eglandulatis.

TYPUS. — Guinée. Nimba Mountains , Gouan Valley, 850 m altitude, 21.VIII.2008, Jongkind 8376 (holo-, WAG; iso-, BR, K, MO, P).

PARATYPES. — Guinée. Macenta , 8. V .1926, Collenette 16 ( K). — Macenta, IV.1936, Jacques-Felix 861 ( P) .

Liberia. Ganta, 13. V .1939, WJ Harley 1168 ( K). — So-Banga, 20.IX.1926, Linder 1155 ( K). — Banga, 21.X.1926, Linder 1172 ( K) .

Côte d’Ivoire. Bassin du Haut Nuon, entre Bampleu et Kouanhoulé, 6.IV.1909, Chevalier 21182 ( P) . — N de Man , 19.VIII.1969, Thijsen 197 ( WAG, P) .

DESCRIPTION

Twining climber several meters long.Twigs pubescent. Leaves opposite; petiole 2-9 mm long, often with a clear joint, with short hairs most densely at upper side; blade elliptic, 3.5-11 × 2-4.5 cm, almost glabrous, 5 pairs of lateral nerves, with a few not very conspicuous hairs in the axils of the larger lateral nerves only, base cuneate, apex acute to acuminate. Inflorescence cymose or almost umbellate, up to 7-flowered; peduncle 7-23 mm long; pedicel 12-30 mm long; calyx tube 1-2 mm high, 5(-6) linear lobes 6-8 mm long with a few hairs or glabrous, green, slightly accrescent in fruit; corolla glabrous, white, with 5 or more slender lobes c. 15 × 1.5 mm, slender tube 20- 24 mm long, slightly widening below the base of the anthers; the two stamens included in the tube, filaments c. 1.5 mm long; anthers c. 4 mm long, apiculate; style glabrous, shortly exserted. Fruit one or two lobed, glabrous, shiny, no mature fruits known yet.

HABITAT AND DISTRIBUTION

Forests in South-East Guinée, North Liberia and West Côte d’Ivoire, from c. 200 to 850 m altitude.

Figures

FIG. 1. — A-D, Jasminum paucinervium Benth.; A-C, leaves; D, leaf with detail showing pit domatia; E-I, Jasminum cuneatum Jong- kind; E-H, leaves; I, inflorescence. A, van der Burg 307; B, Andoh FH 5641; C, Berhaut 6229; D, Bos 1878; E, Linder 1172; F,Jongkind 8376; G, Jacques-Félix 861; H, Chevalier 21182. D and E illustrated by Marjolein Spitteler. Scale bars: 1 cm.