Common name: Clockweed, Butterfly Bush, Butterfly Flower, White Butterfly
Oenothera lindheimeri (Engelm. & A.Gray) W.L.Wagner & Hoch APNI*
Synonyms: Gaura lindheimeri Engelm. & A.Gray APNI*
Description: Much-branched perennial herb to c. 1.5 m high; stems numerous with coarse pubescence of curved hairs.
Leaves usually narrow- elliptic, 0.5–9 cm long, 5–15 mm wide, apex broad-acute to acuminate, margins minutely and often sparsely toothed, undulate.
Inflorescences to c. 80 cm long, 20–30 mm wide, simple or much-branched. Flowers zygomorphic, white. Petals 10–12 mm long, opening near sunrise.
Fruit ellipsoid, usually 6–8 mm long and 2–3 mm wide, strongly 4-angled.
Flowering: summer and autumn.
Distribution and occurrence: Garden escape, chiefly in Camden district but spreading to other areas. Native of Amer.
NSW subdivisions: *NC, *CC, *NT, *CT, *ST, *CWS
Other Australian states: *S.A.
Text by J. M. Dalby; updated by Peter Wilson (August 2009).
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.