Guatteria insculpta R.E.Fr.

11. Guatteria insculpta R.E.Fr. View in CoL — Fig. 1c View Fig , 14 View Fig , 15; Map 1

Guatteria insculpta R.E.Fr. (1939) 504,f. 28a,b; Murillo A.& Restrepo (2000) 95, f. 25. — Type: Spruce 2896 (holo K, 2 sheets; iso BM, P), Brazil, Amazonas , Ipanoré (‘Panuré’), Rio Vaupés, Mar. 1853.

Tree or shrub 5 –25 m tall, 5 –30 cm diam; young twigs densely covered with a velutinous indument of erect, red-brown hairs, finally glabrous. Leaves: petiole 5 –10 mm long, 4 –7 mm diam; lamina narrowly elliptic to narrowly obovate, 20– 50 by 5–16 cm (leaf index 2.3 – 4.4), chartaceous, very densely and minutely verruculose, dull, greyish green above, brown below, glabrous above, densely covered with erect, red-brown hairs below, base acute, the extreme base obtuse, apex acuminate (acumen 5 –15 mm long), primary vein impressed above, secondary veins distinct, 20–35 on either side of primary vein, impressed above, sometimes with a more or less distinct marginal vein, smallest distance between loops and margin 3 –4 mm. Flowers in 1-flowered inflorescences in axils of leaves or on leafless branchlets; pedicels 18– 40 mm long, 2 – 4 mm diam, fruiting pedicels up to 50 mm long, 5 mm diam, densely covered with erect, red-brown hairs, articulated at c. 0.2 from the base, bracts soon falling, the upper bract up to c. 7 mm long; flower buds not seen; sepals free, triangular, 10–12 by 7–8 mm, reflexed, outer side densely covered with erect, red-brown hairs; petals green in vivo, obovate to elliptic, 16– 20 by 8–12 mm, outer side sparsely covered with appressed, white hairs, the base densely so; stamens 1.5 – 2 mm long, connective shield papillate. Monocarps 10– 50, green in vivo, maturing brown, pale brown in sicco, ellipsoid, 10–18 by 5 –12 mm, sparsely covered with appressed hairs, apex rounded or apiculate (apiculum < 0.5 mm long), wall 0.5 –1 mm thick, stipes 5 –10 by 1–2 mm. Seed ellipsoid, 12–19 by 6 – 8 mm, shiny brown, longitudinally and transversely ribbed and wrinkled.

Distribution — Colombia ( Amazonas, Caquetá), Venezuela ( Amazonas) and Brazil (Amazonas).

Habitat & Ecology — In non-inundated, often caatinga forest, on sandy soil. At elevations of up to 270 m. Flowering: March, April, July, October; fruiting: January, February, April, October, November.

Vernacular names — Colombia: Jakuo (Muinane) ( Murillo A. & Rodríguez A. 544), Jimokai (Huitoto), Palo de perfume.

Note — Guatteria insculpta can be recognized by very densely and minutely verruculose leaves and by young twigs covered with a velutinous indument of erect red-brown hairs. Furthermore, this species stands out by the dense cover of erect brown hairs on the lower side of the leaves.