macro close up view of red rhubarb crown growing out of a home garden. selective focus, with red stalks and green leaves

acid angiosperms buckwheat canadian caryophyllales close crown crowning cultivated dormancy early edible eudicots gardening genus growing herbaceous leaf leaves macro medicinal out oxalate oxalic perennial pink plant planted poisonous polygonaceae polygonoideae red rhabarbarum rheum rhizomes rhubarb root roots spring stalks vegetable