Grindelia hintoniorum is a rare North American species of flowering plants in the family Asteraceae. It is native to northeastern Mexico, found only in the State of Nuevo León.Nesom, G.L. 1990. Studies in the systematics of Mexican and Texan Grindelia (Asteraceae: Astereae). Phytologia 68(4): 303–332 distribution map on page 317
Grindelia hintoniorum is a small perennial herb with numerous stems arising from the base but unbranched above ground, each stem up to tall. The plant produces only one flower head per flower stalk, each head about wide. Each head has 19-34 ray flowers surrounding many disc flowers.Nesom, G.L. 1990. Studies in the systematics of Mexican and Texan Grindelia (Asteraceae: Astereae). Phytologia 68(4): 328-329 diagnosis in Latin, discussion and description in English
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