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Grindelia scabra
Grindelia scabra, the rough gumweed, is a rare North American species of flowering plants in the family Asteraceae. It has been found in northern Mexico (Coahuila) and the southwestern United States (western Texas and southern New Mexico).
Grindelia scabra grows in dry rocky slopes and on top of mesas (flat-topped hills). It is an annual, biennial, or perennial herb up to 70 cm (28 in) tall. The plant usually produces numerous flower heads in open flat-topped arrays. Each head has 17-30 ray flowers, surrounding a large number of tiny disc flowers.
Lonestar gumweed · Grindelia aggregata · Arizona gumweed · Grindelia buphthalmoides · Great Valley gumweed · Shrubby Gumweed · Spanish gold · Grindelia confusa · Reclined gumweed · Ash Meadows gumweed · Manyray gumweed · Grindelia greenmanii
Text excerpted from the Wikipedia article Grindelia scabra by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
