After big winter rains, these plants may carpet deserts in acres of pink blossoms. Plants that grow in deserts have to adapt to many challenges posed by the harsh conditions, like intense solar radiation, lack of water and windy conditions that keep the sand moving around.
Other flowering plants that grow in serpentine soils include wild onions (Allium spp.) and the mairposa lily (Calochortus tiburonensis).ĭesert sand verbena (Abronia villosa) is a species with sticky leaves and hairy pink flowers that grows primarily in sandy environments, especially around the Joshua Tree and Mojave preserves east of Los Angeles - where iNaturalist data shows many users have observed the species this month. Recent iNaturalist data has captured sightings of jewelflowers within the Coyote Ridge Open Space Preserve (Máyyan 'Ooyákma) in Santa Clara County. This subspecies is endangered, though, so if you do seek it out, be sure not to pick it - as with all other California wildflowers on public lands, it’s against state law. niger), grows almost exclusively on the slopes of the Tiburon Peninsula in Marin. One particularly rare jewelflower subspecies, the Tiburon jewelflower (Streptanthus glandulosus subsp. Serpentinite, California’s official state rock, is a greeny-black rock occurring along the state’s mountain ranges soils derived from serpentinite are known as serpentine soils and present conditions that are challenging for many plants, but hundreds of California species have adapted to thrive in this harsh environment. The bristly jewelflower (Streptanthus glandulosus), a species in the mustard family, often blooms in March through June in rocky serpentine soils between Tehama and San Luis Obispo counties. Other flowering plants you can find in California’s vernal pool habitats include calico flowers (Downingia spp.) and yellow carpets (Blennosperma nanum). INaturalist data shows people have recently found meadowfoams at sites around Northern California, including near Lake Oroville in Butte County. Flowers adapted to this environment, like meadowfoams, often bloom in colorful circles around the edges of the pools as they dry out.
Limnanthes, commonly known as meadowfoams, is a genus of flowering herbs that most often grow in California’s vernal pools - shallow depressions in the earth that brim with water in the spring, but evaporate by midsummer. We then looked at data from iNaturalist, a social network that allows “citizen scientists” to collect and record observations of plant and animal species, to find places where these three flowers were recently sighted. Jensen suggested three types of flowering plants that readers could search for across three distinct habitats that, he said, define the state’s geological diversity - and, in turn, its spectacular diversity of plant life. To aid in this quest, The Chronicle called up an insider to the wildflower world - Nick Jensen, botanist and conservation program director at the California Native Plant Society.
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