Camissoniopsis cheiranthifolia(Hornem. ex Spreng.) W.L.Wagner & Hoch

 

국표에는 없다.

Camissoniopsis cheiranthifolia, the beach suncup or beach evening primrose, is a species of the evening primrose family and is native to open dunes and sandy soils of coastal California, Baja California and Oregon.

The beach suncup grows prostrate along the beach surface, forming mats more than 1 m across. It forms long stems growing from a central crown, lined with silvery grey-green leaves. The prostrate form and swinging stems allow the plant to survive well on the windy, shifting sands of the coast. The four-petalled flowers open in the morning (typical among suncups) and are bright yellow, fading to reddish.

This plant is a well-defined diploid (2n = 14) species that has varying floral traits over its geographic distribution.

The specific epithet cheiranthifolia refers to the leaves having the appearance of Cheiranthus, an old name for a wallflower genus.

The two subspecies are:

• Camissoniopsis cheiranthifolia subsp. cheiranthifolia – A perennial herb that rarely has dense and silvery hairs, distributed from the Channel Islands to Oregon. This subspecies is generally self-pollinated.
• Camissoniopsis cheiranthifolia subsp. suffruticosa (S.Watson) W.L.Wagner & Hoch – A subshrub that generally has dense and silvery hairs, distributed from Baja California to Point Conception. This species is usually cross-pollinated and self-incompatible, and it hybridizes widely with Camissoniopsis bistorta. 

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