Habit: slender, twining shrubs; new shoots visibly hairy, older stems glabrous, ridged, angular. Leaves: seedling leaves lobed, laciniate; intermediate stage leaves 12–18 mm long, 8–12 mm wide, persisting; margins double serrate. Adult leaves sessile, elliptic, 10–18 mm long, 4–6 mm wide, eventually glabrous apart from margins. Inflorescences are few-flowered umbels; main rachis not twining, flower stalks to 23 mm long, slender, nodding, softly hairy. Sepals 5 mm long, linear, acicular, blue, hairy; petals 12–18 mm long, clawed, briefly connivent, apically spathulate, icy blue, darkening with age, developing contrasting darker blotches in the throat only. Stamens clustering by height opposite petal break and then curling out of the way of the developing stigma; filaments conspicuously flared, eventually blue; anthers white, sagittate; pollen pale yellow.Pistil very stipitate, ovary glabrous, bladder shaped, rather compressed; style nearly as long as ovary, hooked. Fruit dehiscent, bilocular capsules10–11 mm long, 7 mm diam., stalked, ovoid (bladder shape), blue, eventually brown. Seeds many, intermeshed into one row per loculus, discoidal, minutely pitted. Flowering spring, August to October.
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