Commelinaceae

Outer perianth segments green, herbaceous; leaf sheath closed (i.e., the margins fused) Commelinaceae

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Fertile stamens 2–3, filaments glabrous or bearded

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Inflorescence not enclosed in a folded leafy spathe but often with 2 leaf-like bracts at the base

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Leaves less than 10 cm long. Fruit dehiscent, small, inconspicuous

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Some or all the filaments bearded. Ovary 3-locular Murdannia

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Herb with creeping stems. Internodes with a line of dense hairs. Leaves linear-lanceolate, 2–8 cm long, sometimes slightly folded, apex acuminate. Flower in a terminal mostly 1-flowered inflorescence. Petals pale pink to purple, obovate. Garden escape. Damp places. Introd. from E. Asia. Fl. autumn Murdannia keisak

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Weak, perennial herb. Stems erect, 10–60 cm high. Leaves linear, usually 6–10 cm long, sometimes much longer, basal with a few cauline leaves. Flowers in a terminal irregularly branched panicle. Petals usually mauve or pink, ovate, c. 10 mm long. Coast. Uncommon Murdannia graminea