alnus rhombifolia leaf - santa monica mtns - 121522

angiosperms branches twigs stems betulaceae birch family white alder riparian tissue alnus rhombifolia perennial shrub deciduous green brown winter leaf glabrous simple alternate cuneate serrulate growth foliage santa monica mountains malibu coastal sage scrub chaparral shrubland vegetation california conservation tranquility ecosystem nature indigenous native plants peaceful environment biodiversity botany natural beauty flora scenic hiking love allure wild inspiration