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Euthamia graminifolia (L.) Nutt.
Flat-top goldentop, Grass-leaved goldenrod
Synonyms: Euthamia graminifolia var. graminifolia, Solidago graminifolia
USDA Symbol: EUGR5
USDA Native Status: Native to U.S.
The 1-4 ft., branched stems, bearing long, narrow, grass-like leaves, are topped by flat, open clusters of small, yellow flowers. Flat-top goldentop spreads by rhizomes to form colonies.
The flat-topped floral arrangement and narrow leaves of this Goldenrod are distinctive. Slender Fragrant Goldenrod (E. tenuifolia) has grass-like leaves with tiny resin dots and only one rib or vein.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep
AL , CO , CT , DC , DE , FL , IA , IL , IN , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NH , NJ , NM , NY , OH , OK , PA , RI , SC , SD , TN , VA , VT , WA , WI , WV , WY Canada: AB
, SK Native Distribution:
Que. to MD, w. to ND, KS & rarely to OK Native Habitat:
Damp to drier thickets; open areas USDA Native Status: L48(N), CAN(N),
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist
Soil Description: Moist, average soils.
Conditions Comments: Not Available
Seed germination may be increased with cold-moist stratification, but this pre-treatment is not absolutely necessary. Rhizome
clumps can be divided while the plant is dormant. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
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Record Modified: 2012-06-20
Research By: TWC Staff