Ringazuva (Chingezi: sunflower) zita raro re sainzi i Ruvarezuva mgore (Helianthus annuus), imhando ye Ruvarezuva (Helianthus) inorimwa kushandisirwa kugadzira mafuto. Rudzi urwu rwe ringazuva runoshandiswawo sechikafu cheshiri dzesango, sechipfuyo chekudya (sekudya kana dzinde resiraji (silage)), muhushangazhi umwe wekushandisa, uye sechishongo mumagadheni epamba. Chirimwa ichi chakatanga kuchengetwa muAmerka. Zita reChingezi rekuti sunflower rinogona kubva pachimiro chemusoro weruva racho, nekuti chakafanana nezuva. Asi muChishona kuringa irimwe izwi rinoreva kuti kutarisa - sanga ringazuva zvinoreva kuti tarisa zuva, zita iri rakapuwa nekuti ringazuva rinoteveera zuva uye rinoringa kumabvazuva kana rakura risisatevere zuva. Ruvarezuva