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Goldenrods have small, yellow flowerheads, growing in dense, showy clusters
Leaves are alternate and lance-shaped
Bracts are slender, in few overlapping rows
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Guide to Identify Presented Species of the Goldenrod group
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FLOWERS YELLOW
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S.
gigantea - Giant Goldenrod
Plant robust, leafy, 30-150 cm tall. Moist, open to shaded places, valleys.
Flowerheads yellow, with 10-17 rays,
1-3 mm long, in dense clusters.
Leaves alternate, crowded, lance-shaped, usually sharply
toothed, stalkless. |
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S.
missouriensis - Missouri
Goldenrod
Plant leafy, hairless, 20-90 cm tall. Dry fields and grasslands, plains-montane.
Flowerheads yellow, with 7-13 rays,
1-3 mm long, in dense clusters.
Leaves alternate, crowded, lance-shaped, usually entire, stalkless. |
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S.
multiradiata - Northern Goldenrod
Stem hairy above, reddish below, 5-50 cm tall. Open areas, mountains.
Flowerheads yellow, with about 13 rays,
4-5.5 mm long, in dense clusters.
Leaves basal and alternate, lance-shaped, usually entire, hairy on stalk edges. |
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