Northern Prairie Wildlife Research Center
Zigzag Goldenrod (Solidago flexicaulis)
- Family: Aster (Asteraceae)
- Flowering: July-October.
- Field Marks: The flowers are formed in small clusters in the axils of the jagged-toothed leaves. The stems are sometimes zigzag.
- Habitat: Rich woods, particularly along streams.
- Habit: Perennial herb with short rhizomes.
- Stems: Erect, smooth, usually zigzag, striate, up to 3 feet tall.
- Leaves: Alternate, simple, ovate to elliptic, coarsely toothed, smooth or nearly so, tapering to a rather long point at the tip, abruptly contracted to a winged leaf stalk, up to 6 inches long, up to 4 inches broad.
- Flowers: Borne in small heads; the heads arranged in small clusters in the axils of the leaves, yellow; each head up to 1/4 inch across, subtended by several round-tipped bracts, consisting of 3-4 rays.
- Sepals: 0.
- Petals: 5, united into flat yellow rays up to 1/8 inch long.
- Stamens: 5.
- Pistils: Ovary inferior.
- Fruits: Achenes about 1/10 inch long, short-hairy.
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