Families and genera of evening primrose

Evening primrose, a species of evening primrose in Salicaceae, is an erect biennial stout herb

Another name for evening primrose

Evening primrose, also known as evening primrose, waiting for Xiaocao, mountain sesame and wild sesame

Origin of evening primrose

Yuejian grassland is produced in North America. It was introduced into Europe in the early stage, and then spread rapidly in temperate and subtropical regions. It is cultivated in Northeast, north, East and southwest China, and has long been reduced to an escape

Morphological characteristics of evening primrose

Evening primrose, basal rosette, leaf cluster close to the ground, stem height 50-200 cm, pilose and extended long hair, often mixed with glandular hair at the upper end of stems and branches

The leaf blade is oblanceolate, the apex is acute, the base is cuneate, the edge has irregular shallow blunt teeth, and the petiole is 0-15 mm long

Inflorescence spicate, unbranched, or with secondary lateral inflorescences under the main sequence, bracts leafy, flower buds conical oblong, yellowish green or red when flowering, mixed with pilose, extended long hair and short glandular hair