coastal sweetpepperbush clethra alnifolia anne bidwell, racemes with white flowers

plant flower shrub produce herb wildflower leaf branch tree food blossom evergreen green lilac fruit grass insect coastal sweetpepperbush clethra alnifolia anne bidwell raceme white flowers racemes summersweet white-alder family clethraceae high resolution botanical inflorescence flora rarity cultivar variety hybrid endemic natural habitat