Trichoscypha barbata Breteler, 2001

Breteler, F. J., 2001, The genus Trichoscypha (Anacardiaceae) in Upper Guinea: A synoptic revision, Adansonia (3) 23 (2), pp. 247-264 : 252

3. Trichoscypha barbata Breteler , sp. nov.

Trichoscyphae linderi Breteler et T. mannii Hook. f. affinis foliis pilosis sed differt margine barbato foliorum et bracteis longipilosis conspicuis in inflorescentia masculina.

TYPUS. — Jansen 2150, Liberia, 18 miles S of Tchien, Ƌ fl. July (holo-, WAG; iso-, BR n.v., MO n.v., P).

Small tree to c. 10 m tall, trunk to 15 cm diam., or a liana. Branchlets densely brownvelutinous to tomentose. Leaves (4-)6-10-jugate, rachis as well as margins and midrib of leaflets on both sides with long and short hairs, densely so and very distinct in young but fully developed leaves, (partly) early caducous or not; leaflets oblong-elliptic, (2-)2.5-3.5 times as long as wide, (4.5-)10-18(-23) × (2-)4-6(-8) cm, rounded and often unequal-sided at base, acuminate, the acumen 0.5-2 cm long; main lateral nerves (11-)13-19 pairs; midrib impressed above and main laterals also impressed to a lesser extent or not, prominent beneath; petiolule 2- 5(-9) mm long, hairy as rachis. Inflorescence terminal, up to c. 40 cm long, densely brownvelutinous, the female more compact than the male; bracts narrowly ovate-triangular, (3-) 5- 15 mm long, long-brown-hairy outside, glabrous inside, in female inflorescences less distinct than in the male ones; flowers white to pinkish, 4(-5)- merous. Male flower: pedicel up to 1.5 mm long, velutinous; calyx c. 1 mm long, subappressed-brown-hairy, the lobes ± triangular, c. 0.5 mm long; petals suberect, ovate-elliptic, 1.5-2 × c. 1 mm, glabrous; stamens longer than petals, 3-3.5 mm long, glabrous, anthers ovate, cordate at base, c. 0.7 mm long; disc ± flat, velutinous, margin shallowly lobed. Female flower: pedicel 3-4(-6) mm long, velutinous; calyx 1.5-2 mm long, subappressed-brown-hairy, the lobes ± triangular, c. 1 mm long; petals suberect to reflexed, ovate-elliptic, 2.5-4 × 1.5- 2 mm, subglabrous to ± densely appressed-shorthairy outside with ± glabrous margins, glabrous inside; staminodes shorter than petals; disc densely velutinous; ovary ± depressed globose, c. 2 mm long, densely velutinous, styles 3(-4), spreading, 1-2 mm long, subglabrous to densely velutinous, stigmas entire to shallowly bilobed. Fruit unknown. — Figs. 3 , 4.

HABITAT AND DISTRIBUTION. — Rain forest of

Liberia and western Côte d’Ivoire.

PARATYPES. — CÔTE D’ IVOIRE: Aubréville, Service Forestier 2789, s.loc., ♀ fl. — (P); Schnell G 180, Gliké, ster. Aug. (P); 1641, Tai, ster. Aug. (P). — LIBERIA: Baldwin 9133, Yila, ♀ fl. Aug. (K); Linder 721, Gbanga, ♀ fl. Sep. (K) .

NOTE. — In the second edition of the Flora of West Tropical Africa material of this species was referred to by KEAY as T. sp. A (Linder 721) and T. sp. B (Baldwin 9133).

Figures

Fig. 3. — Trichoscypha barbata Breteler: A, leaf; B, leaflet, lower surface with detail of midrib and margin; C, part of male inflorescence; D, bract; E, male flower from above; F-G, female flowers. (A-E, Jansen 2150; F-G, Linder 721). Drawing by M. SPITTELER.

Fig. 4. — Distribution of Trichoscypha species 1-4.