natural habitat perennial plant - polygala amara l. which is a species of flowering plant in the milkwort family

polygala amara brachyptera phyteumotrifolietum association taxon species habitat perennial plant polygalaceae milkwort raceme flowering flower spring undergrowth ground blue green blossom grow stem leaf nature wildlife community botany flora bloom season vegetation outdoor natural wild mountain rosette view subspecies subsp chodat hayek which family