desert rocket diplotaxis acris specimen in bloom in nahal zin in israel

acris akev amoung annual arid beautiful beige bloom blooming blossoms boqer botany brassicaceae cliffs cruciferae desert diplotaxis dry ecosystem environment ephemeral flora flowers growing harsh hatsinim highlands hiking israel jeep lavender metsukei mountains nahal nature negev plant purple region reserve road rocket rocks rocky sandy science sde soil specimen spring stream terrain touring travel tsin violet wall wilderness wildflower zin