Kingdom Plantae Family Asteraceae Genus Grindelia | Order Asterales Tribe Astereae Rank Species | |
Similar Grindelia fraxinipratensis, Grindelia lanceolata, Grindelia nana, Grindelia hirsutula, Grindelia ciliata | ||
Grindelia howellii, Howell's gumweed, is a North American species of flowering plants in the daisy family. It is native to the northwestern United States, in the States of Idaho and Montana.
Grindelia howellii grows in open, sunny sites on rocky slopes and in alluvial deposits. It is a perennial herb sometimes as much as 150 cm (5 feet) tall. The plant usually produces numerous flower heads in crowded, flat-topped arrays. Each head has 18-25 ray flowers, surrounding a large number of tiny disc flowers.
References
Grindelia howellii Wikipedia(Text) CC BY-SA