Guatteria hispida (R.E.Fr.) Erkens & Maas

10. Guatteria hispida (R.E.Fr.) Erkens & Maas View in CoL — Fig. 13 View Fig ; Map 1

Guatteria hispida (R.E.Fr.) Erkens & Maas (2008) View in CoL 404. — Guatteriopsis hispida R.E.Fr. (1934) View in CoL 111, t. 7, 8; Maas et al. (2007) 645. — Type: Ducke RB 23903 (holo S; iso K, RB, US), Brazil,Amazonas, Manaus, Estrada do Aleixo, km 12, 9 Dec. 1932.

Tree or shrub 2.5 –6 m tall, c. 5 cm diam; young twigs densely covered with brown, rough, erect, long-persistent hairs (‘hispid’) up to 3 mm long. Leaves: petiole 3 – 5 mm long, 1–1.5 mm diam; lamina narrowly oblong-elliptic, 10–27 by 3 – 6 cm (leaf index 3.2 –4.5), chartaceous, densely verruculose, dull, greyish green to brownish green above, brown below, glabrous above, rather densely to sparsely covered with brown, rough, erect hairs below, base acute to obtuse, apex a abruptly and long-acuminate (acumen 10– 25 mm long), primary vein impressed above, secondary veins distinct, 10 –15 on either side of primary vein, slightly raised above, smallest distance between loops and margin 3–7 mm. Flowers in 1-flowered inflorescences in axils of leaves; pedicels 5 – 8 mm long, 3 – 5 mm diam, fruiting pedicels up to 4 mm diam, densely to finally sparsely covered with erect, brown hairs, articulated at c. 0.8 from the base, bracts soon falling, the upper bract up to c. 7 mm long; flower buds subglobose; sepals free, broadly ovate-triangular, 8–10 by 8–10 mm, appressed, outer side densely covered with appressed, brown, long hairs; petals yellow in vivo, ovate-triangular, 15– 20 by 8 –14 mm, outer side densely covered with appressed, brown, long hairs; stamens c. 2 mm long, connective shield densely hairy. Monocarps 10– 50, maturing greenish red to wine-red in vivo, brown in sicco, narrowly ellipsoid and fusiform, 20 –35 by 7–8 mm, densely covered with erect, rough, brown hairs, apex distinctly and bluntly apiculate (apiculum up to 2 mm long), wall 0.5– 0.7 mm thick, stipes 5–10 by 1–1.5 mm. Seed narrowly ellipsoid, 17– 20 by 6 –7 mm, apex pointed, brown, deeply longitudinally ridged.

Distribution — Brazil (Amazonas).

Habitat & Ecology — Mostly in campinarana forest, on sandy soil. At elevations below 200 m. Flowering: February, December; fruiting: June, July.

Vernacular names — Brazil: Envireira.

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Note — Guatteria hispida is one of the very few species in sect. Mecocarpus with a long-persistent indument of erect, rough, brown hairs on the leafy twigs, leaves and also on the monocarps!