Grindelia (Gumweed) is a genus of herb in the family Asteraceae. They are native to The Americas, Western North America, The Contiguous United States, and Canada. They have achenes.
Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle
Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle