Baileyoxylon lanceolatum

Family

Achariaceae

Botanical Name

Baileyoxylon lanceolatum C.T.White

White, C.T. (1941) Journal of the Arnold Arboretum 22: 143. Type: Boonjie (Atherton Tableland), alt. 700 m. (common in rain forest), S.F. Kajewski 1263 (TYPE: flowering specimens), Oct. 3, 1929..

Common name

Baileyoxylon

Stem

Both inner and outer blazes almost orange on trees more than 20 cm dbh.

Leaves

Leaf blades about 10-16 x 4-5 cm. Lateral veins forming a distinct series of loops well inside the blade margin. Midrib somewhat raised on the upper surface of the leaf blade.

Flowers

Petals about 4-5 mm long. Large orange staminode-like glands about 2-2.5 mm long, opposite each petal in both male and female flowers.

Fruit

Fruits about 30-43 x 28-32 mm. Seeds about 15 mm diam. Testa slightly furrowed but the furrows filled with pale, orange or yellow, +/- fibrous tissue. Base of the seed smooth, not furrowed, resembling the base of a Hazel Nut (Corylus sp.).

Seedlings

First pair of leaves elliptic. Lateral veins forming distinct loops inside the blade margin. At the tenth leaf stage: leaf blade elliptic to slightly obovate, apex acuminate; lateral veins forming distinct loops; midrib on underside of new leaves hairy; petiole hairy. Taproot somewhat swollen.

Distribution and Ecology

Endemic to NEQ. Altitudinal range from 200-800 m. Grows in well developed rain forest on a variety of sites.