flowering rheum rhabarbarum in a vegetable garden.

acid agriculture background bloom blooming blossom blossoming botanical botany bud bunch close closeup culinary cultivated edible flora floral flower flowering flowers foliage food garden green grow growth herbal homeopathic ingredient leaf leaves medicinal organic oxalic perennial plant rhabarbarum rhapontic rhaponticum rharbabarum rheum rhubarb seeds sour spring stalk stem useful vegetable vegetables vegetation