Couratari asterophora Rizzini

Trees. Stems tomentellous when young, becoming glabrous with age. Leaves: petioles 9-11 mm long, appressed puberulous, winged, slightly canaliculate; blades oblong, broadest well above mid-point, 22-24 x 9-11 cm, chartaceous, appressed tomentellous adaxially, mostly with simple hairs and a few stellate ones, the base rounded, the margines undulate, the apex obtuse; midrib prominulous adaxially, prominent abaxially, the secondary veins in 28-35 pairs, prominulous adaxially, prominent abaxially, the tertiary venation prominently reticulate on both surfaces, hirsutulous abaxially. Inflorescences terminal or axillary, simple racemes or once-branched paniculate arrangements of racemes, the rachis and rachillae densely tomentellous; bracts and bracteoles ovate, 10-14 mm long, subpersistent, densely tomentose abaxially; pedicels 2-3 mm long, densely tomentose. Flowers with hypanthium campanulate, 5-6 mm long; calyx lobes ca. 5 mm long, densely tomentose abaxially, tomentellous adaxially; petals obovate, tomentellous on exterior, the margins ciliate, rose-yellow (fide protologue); androecium glabrous, ca. 2.5 cm long, the staminal ring 14-17 mm diam., the exterior of hood with numerous, dense echinate appendages giving the whole a cerebriform appearance, the stamens ca. 30, inserted around outer side of staminal ring and scattered up lower portion of ligule; ovary 3-locular. Fruits not seen.