Citation: Nutt., J. Acad. nat. Sci. Philad. 2:119 (1821 ).

Synonymy: Not Applicable

Common name: Rose (or Mexican) evening-primrose. (I11. Hooker (1832) Curtis's Bot. Mag. 59:t. 3189.)

Description:
Perennial shrub to 50 cm high, with erect wiry-woody branches more or less branched, spreading by underground rhizomes covered with short stiff and more or less appressed hairs; leaves with petioles 0-0.8 cm long; lamina lanceolate to elliptic, rarely linear-lanceolate, 2-7 x 0.4-2.5 cm, usually obtuse, with a cuneate base, usually with widely spaced teeth and often with irregular lobes or pinnae towards the base of the plant, with short appressed hairs mainly along the veins.

Inflorescence with a few sessile flowers borne singly in the axils of the leaf-like bracts, with young buds drooping and becoming erect only before flowering; floral tube 1-1.5 cm long, cylindrical and scarcely widened below the sepals; sepals linear-lanceolate, 21-25 mm long, incompletely splitting and bent to one side, covered with short more or less appressed hairs outside; petals broadly obovate, 25-35 mm long, truncate to more or less emarginate, white to pink; stamens with filaments scarcely broadened towards the base, anthers dorsifixed and T-shaped, 7-8 mm long; ovary inferior, more or less cylindrical; stigma with 4 slender lobes c. 6 mm long.

capsule 1.5-2 mm long, with 4 ridges and alternating wings in the upper third.

Distribution:  S.Aust.: NL, MU, SL.   Native of south-western United States of America and Mexico. Conservation status: naturalised Flowering time: Nov. — Jan.; with flowers opening in the morning.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: Known only from a few garden escapes in urban areas.

Taxonomic notes: Fig. 486K.

Author: Not yet available