Guatteria sessilicarpa Maas & Setten — Plate

150. Guatteria sessilicarpa Maas & Setten — Plate View in CoL 7h; Map 32

Guatteria sessilicarpa Maas & Setten (1988) View in CoL 257, f. 13–15. — Type: Mori & Kallunki 5037 (holo MO; iso U), Panama, Colón, Santa Rita Ridge Road, 17 km from Boyd-Roosevelt Highway , 450 m, 14 Mar. 1975.

Tree 5–20 m tall, 15–30 cm diam; young twigs rather densely covered with appressed hairs, soon glabrous. Leaves: petiole 4–12 mm long, 3–4 mm diam; lamina narrowly elliptic to narrowly obovate, 18–33 by 5–10 cm (leaf index 3.3–3.6), coria- ceous, rather densely verruculose, dull, grey to greyish brown above, brown below, glabrous above, except for some hairs at base and primary vein, and ciliate along basal margins, sparsely covered with appressed hairs to glabrous below, base acute, extreme base decurrent along petiole, basal margins often revolute, apex acuminate (acumen 5–10 mm long), pri- mary vein impressed above, keeled below, secondary veins distinct, 17–20 on either side of primary vein, slightly raised above, smallest distance between loops and margin 5 –10 mm, tertiary veins raised above, reticulate. Flowers solitary in axils of leaves; flowering and fruiting pedicels 5–17 mm long, 2–3 mm diam, rather densely to sparsely covered with appressed hairs, articulated at 0.3–0.5 from the base, bracts 4–6, soon falling, only uppermost bracts seen, broadly elliptic, 6–7 mm long; flower buds depressed ovoid; sepals free, broadly ovate-triangular, 7–9 by 8–10 mm, reflexed, outer side densely cover- ed with appressed hairs; petals green, maturing yellow in vivo, elliptic, 11–20 by 7–13 mm, outer side densely covered with appressed hairs; stamens c. 2 mm long, connective shield papil- late. Monocarps 4–20, green, maturing black in vivo, black in sicco, ellipsoid to ovoid, 12–23 by 8–14 mm, sparsely covered with appressed hairs, soon glabrous, apex rounded, wall 1–2 mm thick, stipes absent or up to 2 by 2 mm. Seed ellipsoid to ovoid, 12–15 by 5–8 mm, black, pitted and transversely grooved, raphe raised.

Distribution — Panama.

Habitat & Ecology — In forest.At elevations of 350–1000 m. Flowering: February, June, July; fruiting: March to June,August, November.

Vernacular name — Panama: Canalú (Galdames et al. 3782).

Note — Guatteria sessilicarpa is typical by its almost sessile monocarps, combined with coriaceous, rather densely verrucose leaves.