Varieties of Evening Primrose

Evening Primrose

Seaside evening primrose, also known as sea hibiscus, is an annual to perennial herb with a taproot of about 1 cm in diameter and a stem length of 20-50 cm. The basal leaves are gray-green, narrowly oblanceolate to elliptic, with a sharp tip and a base that gradually narrows or suddenly narrows to the petiole.

The buds are conical-lanceolate or narrowly ovate, and bend upward before opening. The sepals are green or yellow-green, with red edges when open. The flowers are yellow, and the flowering period is from May to August.

It is native to the Atlantic coast and Gulf coast of the United States and is cultivated and allowed to grow wild in Peru, Chile, Australia, the United Kingdom, Spain, Israel, Iraq, Egypt, South Africa and other countries.

Evening Primrose

The main root of yellow evening primrose is very thick, the stem is about 70-150 cm high and 6-20 mm thick, often densely covered with soft hairs and sparsely extended long hairs (the base of the hairs is red and blister-like).

The basal leaves are rosette-shaped, oblanceolate, with sharp or slightly obtuse tips, shallowly wavy serrations on the edges, white or red, dark green or bright green on the upper part, the flowers are yellow, the seeds are rhombus-shaped, brown, angular, with irregular pits on each surface, and about half of them are aborted. The flowering period is May to October.

The yellow evening primrose species originated from a hybrid that was cultivated or wild in Europe and was spread from Britain to various countries for horticultural cultivation in 1860.

Evening Primrose

Erect to extrovert annual or perennial herb with a taproot. Stems 10-50 cm long, often branched, covered with curved soft hairs, sometimes mixed with long soft hairs, often mixed with glandular hairs in the upper part of the stem.

It is native to the eastern to central United States, and was later introduced for cultivation in Europe, East Asia, Australia, and South Africa, where it quickly escaped into the wild.

Pink evening primrose

Perennial herb with a thick taproot, often tufted stems, about 30-50 cm, petioles lavender, filaments white to lavender, 5-7 mm long, anthers pink to yellow.

It is native to southern Texas to Mexico, and is also found in the southwestern United States, Central America, and the warm temperate mid-mountain areas of South America.