Akọwapụta mkpụrụ osisi a na-akọwa ifuru dị ka obere sunflower ma ọ bụ chamomile. Ụlọ osisi a na-eme ka enweghi mmiri ma ga-oge ntoju ruo mgbe mbụ ntu oyi. Coreopsis bụ ebe obibi nke ogbe Africa, North America na Hawaii. Osisi ahụ na-eto ruo 1 mita n'ogologo. Okooko osisi mara mma na dayameta toro ruo 10 cm.
Atiya Ịkụ osisi
Osisi bụ otu n'ime ndị kasị ukwuu na ọdịdị Juglans. Okpokoro kịtịkpa tozuru oke na North America rute elu nke mita 50 na otu mita nke 2. Na mba anyị, a na-akọ osisi ahụ site n'ala nke abụọ. Ọkara narị afọ nke 18. Mkpụrụ nke Central Russia na afọ nke ise ruru mita kacha elu nke 15-18 m, na ogwe aka okporo osisi 30-50 cm.