Oenothera affinis Cambess. APNI* 
Description: Erect annual herb to c. 150 cm high, without basal rosette; stems simple or branched, densely villous and glandular pubescent.
Leaves narrow-lanceolate, 5–15 cm long, usually 5–10 mm wide, margins sparsely toothed, acute.
Flowers in upper leaf axils. Hypanthium to 6–10 cm long, slender. Sepals 25–30 mm long. Petals 20–40 mm long, yellow, becoming reddish with age.
Fruit ± cylindrical, broader in the upper third, 2–4 cm long, 3–4 mm wide, villous, the 4 valves clearly separated at apex.
Flowering: spring–autumn.
Distribution and occurrence: Widely cultivated and naturalized in disturbed sites. Native of S Amer.
NSW subdivisions: *NC, *CC, *SC, *NT, *NWS, *CWS, *NWP
Other Australian states: *Qld *W.A. *S.A.
Text by J. M. Dalby
Taxon concept: Flora of NSW 2 (1991)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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