Welchiodendron longivalve (F.Muell.) Peter G.Wilson & J.T.Waterh.
Wilson, Peter G. & Waterhouse, J.T. (1982) Australian Journal of Botany 30: 441.
Buttercup Tree; Yellow Box Penda
Fine, cream or yellowish, hard, brittle stripes in the blaze. Blaze quite fibrous.
Cotyledons +/- reniform, bilobed, about 3-4 x 7-8 mm, broadly emarginate at the apex. Oil dots very small, more numerous about the margins. At the tenth leaf stage: leaf blade elliptic or obovate, apex acute or obtuse, base attenuate, glabrous; oil dots numerous, visible with a lens; stem 4-winged. Seed germination time 16 to 17 days.