Oenothera glazioviana Micheli

Evening-flowering biennial to 150 cm tall with leaves in a basal rosette. Basal leaves oblanceolate, narrowed to long stalks. Stem leaves 5-15 cm long, elliptic to lanceolate, crinkled, more or less entire to toothed. Flowers in spikes with petals 3.5-5 cm long, yellow fading to reddish orange. Fruit capsule 2-3.5 cm long, narrowly lanceolate in outline. Syn. O. erythrosepala Borbás.

The specific epithet is sometimes spelt glazioviana. A common weed of waste places and once frequently cultivated. Possible hybrids are available.

O. elata Kunth from W to C America is an evening-flowering biennial or shortlived perennial herb to over 2 m tall. Leaves on stem oblanceolate to lanceolate or elliptic,more or less entire to toothed, 5-25 cm long. Flowers in a spike. Petals mostly 2.5-5 cm long, yellow fading to reddish orange. Fruit capsule 2-6.5 cm long, narrowly lanceolate in outline. The most commonly grown subspecies, subsp. hookeri (Torr. & A. Gray) W. Dietr &W.L. Wagner, is to about 80 cm tall with red-flushed sepals. Syn. O. hookeri Torr. &A. Gray.

W North America.

Source: Waldron, M.; Spencer, R. (2002). Fuchsia. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Myrtales
family       Onagraceae
genus        Oenothera L.