Which geunus has more species of plants, Osmunda or Verticordia?
Osmunda Osmunda is a genus of primarily temperate-zone ferns of family Osmundaceae. Five to ten species have been listed for this genus.
Geraea canescens Geraea canescens, commonly known as desert sunflower, hairy desert sunflower, or desert gold, is an annual plant in the family Asteraceae. "Geraea" in its scientific name comes from the Greek "geraios" ("old man"), referring to the white hairs on the fruits.