Solidago sempervirens |
Solidago multiradiata |
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northern goldenrod |
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Habit | Plants 0.3–5+ dm; with simple or branched root-crowns. | |
Stems | simple, sometimes basally clustered, puberulent, often glabrate proximally. |
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Leaves | basal and cauline; blades narrowly to broadly lanceolate or oblanceolate, 1–17 cm, reduced distally; margins entire, rarely denticulate, usually ciliate; tips acute or obtuse; surfaces glabrous; basal usually withering by flowering, petiolate proximally, sessile distally. |
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Inflorescences | round-topped corymb-like arrays; bracts present. |
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Involucres | campanulate, 4–8 mm. |
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Ray florets | 12–18. |
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Disc florets | 10–30+; corollas 3–5 mm. |
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Phyllaries | in 3–5 series, lanceolate to linear-lanceolate; surfaces glabrous; some outer shorter. |
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Fruits | 1.5–4 mm; surfaces strigose. |
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Heads | pedunculate. |
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2n | =18, 36. |
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Solidago sempervirens |
Solidago multiradiata |
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Distribution | ||
Discussion | Open woodlands, meadows, creeksides, lake shores, swamps, cliffs, rock outcrops, talus. Flowering Jul–Sep. 0–3000 m. BR, BW, Casc, ECas. CA, ID, NV, WA; throughout northern and western North America. Native. |
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Source | Flora of Oregon, volume 2, page 345 Kenton Chambers |
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Sibling taxa | ||
Synonyms | Solidago multiradiata var. scopulorum | |
Web links |
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