populus fremontii leaf - bluff creek t - 120420 a

alternate angiosperms arrangement beauty biodiversity biology bluff botanical botany california chaparral clade coastal cottonwood creek crenate deciduous deltoid details dioecious family flora foliage fremont fremontii genus green grey growth indigenous leaf life malpighiales margin morphology native natural nature outdoors perennial plantae plants populus reserve riparian rosids sage salicaceae salicoideae scrub shape simple southern species subfamily trail tree tribe vegetation wild willow winter