Wilkiea angustifolia (F.M.Bailey) J.R.Perkins
Perkins, J.R. (1911) Das Pflanzenreich Heft 49 : 27.
Seldom exceeding 30 cm dbh. Oak grain in the wood and a corresponding pattern in the inner blaze.
Inflorescence up to 3-4 cm long, much shorter than the leaves. Male flowers: Flowers globular. Tepals in two pairs, small and inconspicuous. Receptacle glabrous on the outer surface. Anthers about 0.7 mm long, each opening by a horseshoe-shaped slit, filaments short. Female flowers: Flowers globular, operculate. Carpels about 8-22, about 1 mm long, glabrous, one ovule per carpel.
Cotyledons ovate, about 16-40 x 10-20 mm, base rounded to cordate, apex acute or apiculate, a few teeth often present near the base. Cotyledonary petioles about 2-4 mm long, margins narrowly winged, wings almost clasping the stem at the base. First pair of true leaves about 21-28 x 3-10 mm, margins toothed. At the tenth leaf stage: leaf blade narrowly ovate, elliptic or obovate, apex acuminate, base attenuate, cuneate or cordate, margin serrate, teeth present at least on the apical half of the leaf blade, but often the teeth are all around the margins, glabrous. Seed germination time 43 to 178 days.