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Machaeranthera gracilis (Nutt.) Shinners
Slender goldenweed, Grass-Leaf Tansy-Aster
Synonyms: Haplopappus gracilis
USDA Symbol: MAGR10
USDA Native Status: Native to U.S.
This flower makes up in numbers what it lacks in size. Sometimes it covers large areas, 1 or 2 acres, with its bright yellow flowers. It grows 10–15 inches tall, with many narrow leaves, 1/8–1/4 inch long, the lower ones shallowly toothed. The stiff branches, 1–3 inches long, are on the upper half of the main stem, with 1 flower head at the end of each. Each flower head, 1/2–3/4 inch across, has 20–30 ray flowers and many disc flowers.
Plant CharacteristicsDuration: Annual Habit: Herb Size Notes:
Grows 10–15 inches tall. Fruit: Size Class:
0-1 ft. , 1-3 ft.
Bloom InformationBloom Color: Yellow
Bloom Time: Aug , Sep , Oct , Nov
AZ , CA , CO , ME , NM , NV , NY , TX , UT USDA Native Status: L48(N)
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Record Modified: 2009-02-12
Research By: TWC Staff