Northern Prairie Wildlife Research Center
Bog Goldenrod (Solidago uliginosa)
- Family: Aster (Asteraceae)
- Flowering: July-August.
- Field Marks: This goldenrod has smooth stems and smooth leaves. The basal leaves are present at flowering time. The flowers are in terminal racemes.
- Habitat: Bogs, fens.
- Habit: Perennial herb from a thickened rootstock.
- Stems: Erect, branched or unbranched, smooth except near the flowers, up to 3 feet tall.
- Leaves: Basal and alternate, simple, narrowly elliptic, pointed at the tip, tapering to the base, with or without teeth, smooth, up to 3 inches long (up to 8 inches long for basal leaves), the upper progressively smaller.
- Flowers: Several crowded into a head with many heads usually arranged in terminal racemes, each head up to 3/8 inch high, subtended by several narrow, green bracts, the outer flowers up to 8 in number, yellow, ray-like, the inner yellow and tubular.
- Sepals: 0.
- Petals: The outer yellow, ray-like, about 1/4 inch long, the inner yellow, tubular, 5-parted.
- Stamens: 5.
- Pistils: Ovary inferior, smooth or hairy.
- Fruits: Achenes elongated, smooth or slightly hairy.
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