Plants of South Eastern New South Wales
Oenothera glazioviana
Common name
Red-sepal evening primrose
Family
Onagraceae
Where found
Grassy areas, disturbed sites, roadsides, and beaches. Mainly Kosciuszko National Park. Occasionally elsewhere.
Notes
Introduced, short-lived perennial, or biennial herb, to 2 m high. Stems robust, covered with many stiff hairs, often broad and dark red at the base, the upper parts of the stems with short appressed and glandular hairs. Stems appear red-spotted. Basal leaves in a rosette, 13–30 cm long, 30–50 mm wide, covered with short and long hairs, tips pointed or blunt. Stem leaves alternating up the stems, 5–15 cm long, 25–40 mm wide, becoming smaller in size up the stem, covered with short and long hairs, margins wavy and with minute teeth, the lower leaves stalked, upper leaves stalkless.. Flowers yellow, often becoming reddish with age, with 5 petals each 35–50 mm long. Sepals often reddish. Flowers clustered, the cluster lengthening into a dense spike. Flowers opening near sunset and fading by morning. Flowering: summer and autumn.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Oenothera~glazioviana (accessed 23 January, 2021)
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