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Genus Murdannia Family Commelinaceae

Description: Annual or perennial herbs; stems prostrate to erect.

Leaves spirally arranged or distichous; lamina glabrous, sessile.

Inflorescence terminal or terminal and axillary; bracteoles persistent, cup-shaped. Flowers actinomorphic or slightly zygomorphic. Outer tepals free, mostly green; inner tepals free, petaloid, blue, purple or white (rarely yellow). Fertile stamens 3 (sometimes 2), opposite the outer tepals, filaments bearded, anthers dehiscing by slits; staminodes 3 or absent, opposite the inner tepals, filaments bearded or glabrous. Ovary 3-locular; ovules 1–8 per loculus.

Fruit a 3-valved capsule; seeds greyish to dark brown, smooth or ornamented.


Photo © ANBG

Distribution and occurrence: World: c. 50 species, tropical regions. Australia: 5 species (1 species endemic), Qld, N.S.W., N.T., W.A.

Text by Peter G. Wilson
Taxon concept:

One species in NSW: Murdannia

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