Oenothera speciosa, a
perennial herb originating in North America, partly grows wild in
western Japan; stems with many short hairs growing to 30-60cm in
height. Leaves are alternate, 5-7cm in length, in a linear-oblanceolate
shape, with shallow margins. Flowers, white or light red, measure
5cm in diameter; buds face downward but upward when open. Petals are
in the shape of a broad-obovate, with bases tinging yellow. Bloom
time: May-August.
Wild plants in and around Shimane
島根とその周辺の野生植物