Archidendron bigeminum (L.)I.C.Nielsen

Evergreen trees; to 12 m high; bark reddish-brown, prominently lenticellate; blaze pink. Leaves bipinnate, alternate, stipulate; stipules inconspicuous; rachis 10-11 cm long, slender, pulvinate, pubescent, with a gland near its base; pinnae 2, opposite, 11-13 cm long, slender, puberulent, a gland in between 2 pinnae; leaflets 4-8, opposite, estipellate, with a gland in between every pair of leaflets; petiolule 4-5 mm; lamina 6.5-12 x 2.5-5 cm, obovate, oblong or elliptic-acuminate, base unequally acute, apex acuminate, margin entire, puberulent above and below, chartaceous; lateral nerves 8-14 pairs, pinnate, prominent, secondary lateral also prominent; intercostae reticulate. Flowers bisexual, white, in globose heads in terminal and axillary panicles; bracteoles lanceolate, persistent; calyx campanulate, 1.5 mm long, lobes 4, minute, acute; petals 4, basally connate, 4 mm long, lobes ovate, acute, valvate; stamens 4, monadelphous, much exserted; ovary sessile; style filiform; stigma minute; ovules many. Fruit a pod 10 x 1.5-2 cm, twisted, strap-shaped, dehiscent, red within; seeds 3-8, ovoid, smooth, without aril, funicle filiform.