Twining shrub, sparsely hairy; new shoots silky hairy; older twigs glabrous, angular with prominent lenticels. Seedling and intermediate stage leaves irregularly trilobed, larger than adult leaves, persisting. Adult leaves almost sessile, with lamina very narrowly elliptic, 28–50 mm long, 4–10 mm wide, margin slightly downturned and thickened. Inflorescences branched umbels with up to 30 irregular flowers; twining rachis 40–120 mm long; peduncles 10–15 mm long. Sepals linear, 4–5 mm long, tinged blue, acicular. Petals 11–15 mm long, clawed, briefly connivent, palest blue darkening with age, contrasting darker blue spots and lines developing on three petals with age and sex phase change. Stamens blue, free, clustering by height opposite petal break and then curling out of the way of the developing stigma; filaments very flat and wide; anthers sagittate with a deep basal sinus, initially white, shorter than filaments; pollen blue. Pistil with a wide receptacle, shortly stipitate; ovary green, glabrous; style purple, eventually twice length of ovary, stigma minimal. Fruit are loculicidally dehiscent, bilocular capsules, spindle-shaped, thin, brittle. Seeds few, intermeshed in one row per chamber, perfectly round, smooth, glossy.
Eucalypt woodland and forest, in lateritic soil; associated with Calothamnus quadrifidus, Xanthorrhoea drummondii and Acacia alata.
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