Camissoniopsis micrantha
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Camissoniopsis micrantha is a species of flowering plant in the evening primrose family known by the common names miniature suncup or small evening primrose.[1] This is a small, hairy annual herb producing a basal rosette of leaves. It is characterized by small yellow flowers with petals less than 5 millimeters long. The flowers dry to a reddish color as they close. This species is found in Arizona and California in the United States, along with Baja California in Mexico.[2] It grows in sandy areas in a number of habitats, from beaches to inland slopes.[3] It is the smallest member of the genus Camissoniopsis.[1]
Description
This species is an annual herbaceous plant that forms a basal rosette of leaves. It is covered in dense, grayish, spreading hairs. The stems are decumbent and branched or erect and simple, and are usually less than Template:Cvt long. The dark green leaves are Script error: No such module "convert". long. The basal (on the rosette) leaves are the largest. The cauline leaves are generally shaped narrowly lanceolate, with minutely dentate (toothed) margins, and are sessile.[4]
Like other members of the genus, the inflorescence is a spike which is nodding in bud. The hairs on the inflorescence are non-glandular. The flowers have a hypanthium Script error: No such module "convert". long. The 4 sepals are Script error: No such module "convert".. The 4 yellow petals are Script error: No such module "convert". long, with up to 2 red spots near the base. The fruits are Script error: No such module "convert". long by Script error: No such module "convert". wide, shaped cylindric. The seeds are Script error: No such module "convert". large.[4]
Distribution and habitat
This species is distributed in Arizona and California in the United States, and also Baja California in Mexico. In Baja California, this species is very rare and is only found near Ojos Negros and San Quintín.[2]
This species can be found growing in canyons, coastal dunes, beaches, sandy fields, and washes.[4]