Xanthostemon formosus Peter G.Wilson
Wilson, Peter G. (1990) Telopea 3(4): 462. Type: Cook District: Portion 49V, Portion of Alexandra, Cooper Creek, 16 10 S, 145 25 E, Gray 3366, 26.iv.1984 (NSW). ISOTYPES: QRS.
Hard, slightly darker, brittle stripes in the blaze.
Calyx tube (hypanthium) glabrous, about 5 x 20 mm, divided into five saccate, nectariferous depressions. Calyx lobes glabrous, triangular, about 10 mm long. Petals glabrous, +/- orbicular, about 18 mm diam. Staminal filaments green, about 20-25 mm long, each inserted in an orifice in the base of the anther, anthers about 4 mm long. Ovary glabrous, surrounded by the calyx tube (hypanthium) and attached to it by five radiating ribs. Ovary about 5-6 mm diam, placentas peltate. Style green, about 25 mm long. Stigma small and terminal.
Cotyledons orbicular, 6-8 mm diam. Oil dots small, numerous, more visible about the margin. At the tenth leaf stage: leaves narrowly obovate or elliptic, apex acute, base attenuate, upper surface with a few pale hairs towards the base; oil dots small, visible with a lens; petiole and stem clothed in pale brown hairs. Seed germination time 13 to 20 days.