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Leaves and Flower. Copyright CSIRO
Bud and calyx.. Copyright ATH
Herbarium specimen. Copyright CSIRO
Leaves, flower and bud. Copyright ATH
Flower. Copyright ATH
Flower showing 10 stamens, 5 of each distinct form.. Copyright ATH
Dissotis rotundifolia (Sm.) Triana
Triana, J.J. (1872) Transactions of the Linnean Society of London 28(1): 58. Type: ?.
Osbeckia rotundifolia Sm., Cyclopaedia 25: 204(1813), Type: Afzelius s.n.; ; Sierra Leone (BM).
Spanish Shawl; Trailing Tibouchina; Pink Lady
Decumbent herb rooting at the nodes with the erect branches up to 16 cm tall; stems 4-angled, sparsely hairy; internodes 50-55 mm long.
Leaves ovate to ovate-lanceolate, 15-31 x 8-20 mm, margin slightly crenulate-ciliate, surfaces lightly to densely piloses. Petioles 5-12 mm long, upper surface flat, clothed in long simple reddish hairs.
Inflorescence a solitary flower or rarely 2-4 -flowered cymes. pedicels 2-5 mm long. Calyx-tube cylindric-campanulate, 5-7 x 3-4 mm, sparsely to densely pilose, the hairs intermixed with linear-subulate caducous appendages 1-2 mm long and setose at the apex; lobes subulate-lanceolate, 5-6 x 1.5 mm, margin ciliate, setose at the apex; intersepalar appendages ligulate, 2-2.5 mm long, setose at the apex. Petals pink to purplish, obovate, 20-28 x 15-20 mm. Stamens 10, unequal; 5 articulated and purple, and 5 yellow. Ovary 8-9 x 8 mm, clothed in stalked (2-2.5 mm long) stellate hairs.
Fructiferous receptacle 6-11 x 6-7·5 mm., ovoid to ovoid-ellipsoid. Capsule subequalling the receptacle, setose on the upper part. Seeds cochleate, ridged along the back and with a fringe of long papillae around the hilum.
Features not available.
Distribution and Ecology
Also from New Guinea and Papua.
Herb (herbaceous or woody, under 1 m tall)