Johann Friedrich von Eschscholtz

Solanum umbelliferum is a species of nightshade known commonly as bluewitch nightshade, or bluewitch. It can be found in chaparral habitat and low-elevation oak woodlands in California and parts of Baja California and Arizona. It is a small perennial herb or subshrub with dark gray-green oval-shaped leaves on hairy green stems that grow to a maximum height of one meter. It has bright purple or blue frilly flowers with thick yellow anthers at the center. The flowers close into spherical buds overnight. It bears small round green fruits which turn purple when ripe and resemble tiny eggplants.

Lupinus chamissonis is a species of lupine known by the common name Chamisso bush lupine. It is endemic to California, where it is known from most of the length of the coastline. It grows in sand dunes and other immediate coastal habitat.

The perennial flower Abronia latifolia or Abronia arenaria is a species of sand-verbena known commonly as the coastal sand-verbena, or yellow sand-verbena. It is native to the west coast of North America, from southern California to southern British Columbia. In Canada, it is at risk of becoming extirpated, threatened, or endangered. The plant bears attractive neatly rounded heads of small, bright golden flowers. The individual flowers have no petals; rather, they are composed of yellow bracts forming a trumpet-shaped calyx about the stamens. It bears a small, winged fruit. The plant grows in

Frangula californica (previously classified as Rhamnus californica) is a species of flowering plant in the buckthorn family native to western North America. It produces edible fruits and seeds. It is commonly known as California coffeeberry and California buckthorn.

Navarretia squarrosa (skunkbush, skunkweed, or California stinkweed) is a spreading annual plant from North America which is noted for its skunk-like odour. It grows to between 10 and 60 cm in height and has tubular lilac pink to deep blue flowers up to 12 mm in diameter in dense terminal heads, encircled by spiny sepals and bracts. The leaves are pinnately lobed and spiny.

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