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Oenothera drummondii Hook.
Family Onagraceae
Oenothera drummondii Hook. APNI*

Description: Perennial herb to c. 60 cm high with basal rosette and strong taproot, densely hairy, giving a grey-green appearance; stem erect, with prostrate or ascending lateral stems.

Basal leaves narrow-oblanceolate, 6–15 cm long, 10–15 mm wide, often shallowly lobed, apex obtuse to acute, petiole c. 10 mm long; cauline leaves usually obovate to oblanceolate, usually 2–5 cm long, 5–20 mm wide, margins entire or shallowly toothed, ± sessile.

Flowers in upper leaf axils. Hypanthium 2–4 cm long. Sepals 20–30 mm long. Petals 25–35 mm long, yellow becoming orange with age.

Fruit cylindrical, 30–50 mm long, 2–3 mm wide, densely hairy.

Photo © ANBG

Flowering: spring–autumn.

Distribution and occurrence: Naturalized, especially on coastal sand; chiefly north from Sydney. Native of N Amer.
NSW subdivisions: *NC, *CC, *SC, *LHI
Other Australian states: *Qld
AVH map***

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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