Cremastosperma stenophyllum Pirie

Tree 5–10 m tall, up to 20 cm diam.; young twigs and petioles rather densely covered with appressed golden hairs to 0.2 mm long. Leaves: petioles 5–12 by 2–2.5 mm; lamina narrowly elliptic to elliptic, 25–33 by 6.5–11.5 cm (index 2.9–4.3), chartaceous, greyish-green above, green below, sparsely covered with appressed yellowish-white hairs to 0.2 mm long below and on veins above, base acute, apex acuminate (acumen 20–25 mm long), primary vein 1–1.5 mm wide at widest point, verrucose, secondary veins 8–10, intersecondary veins occasional, distance between from 5 mm at the base to 50 mm closer to the apex, angles with primary vein from 45–55° at the base to 70–80° closer to the apex, not branching, not forming loops, tertiary veins with some reticulation. Inflorescence of single flowers on leafy twigs or on brachyblasts on thicker twigs or branches; peduncle 1.5–3 by ca. 1 mm (in flower), ca. 6 by ca. 2 mm (in fruit); pedicels 45–55 by ca. 1 mm (in flower), ca. 62 by ca. 1.5 mm (in fruit), peduncles and pedicels and outer side of bracts (densely), sepals (densely) and petals (sparsely to rather densely) covered with appressed yellowish-white hairs to 0.2 mm long; 2 lower bracts, deltate, ca. 1 mm long, obtuse; upper bract attached on basal half of pedicel, ovate, ca. 1.5 by 0.8 mm, acute; closed flower buds not seen; flowers green, maturing to yellow in vivo, light brown with dark brown patches at the base of the petals in sicco; sepals deltate, 2 mm long, obtuse; outer petals elliptic, ca. 18 by 8 mm, inner petals elliptic, ca. 18 mm long (diam. unknown); androecium and gynoecium not seen. Monocarps ca. 4, ellipsoid, slightly asymmetrical, ca. 25 by ca. 12 mm, black in sicco, with a strongly excentric apicule; stipes ca. 8 by ca. 2.5 mm; fruiting receptacle ca. 4 mm diam.; monocarps, stipes and receptacle with occasional appressed white hairs <0.1 mm long. Seeds not seen.

Ecuador (Bolívar, Pichincha).