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Solidago sempervirens is common along the seacoast from the Gulf of St. Lawrence to central America and the northern West Indies. Introduced populations are sometimes very large near the Detroit River and Lake Erie in southwestern Ontario, eastern Michigan, and adjacent Ohio. A second disjunct group of populations occurs in Illinois and Indiana in the Chicago area at the southern end of Lake Michigan. Two mostly geographically separate subspecies can be recognized in the flora range. A race also occurs in the Azores and is undoubtedly introduced there [Solidago sempervirens var. azorica (Hochstetter ex Seubert) H. St. John]. Plants cultivated in European gardens have been labeled S. sempervirens var. viminea (Aiton) A. Gray.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
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Flora of North America Vol. 20: 136, 137, 138, 145 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Plants 40–200 cm; caudices short, stout. Stems 1–10(–20+), erect or ascending, glabrous throughout or hairy in arrays. Leaves: rosettes present at flowering; basal and proximal cauline tapering to long, winged petioles sheathing stems or nearly so, blades narrowly ovate to oblanceolate, 100–400 × 10–60 mm, thick or fleshy, entire, acute, glabrous; mid to distal cauline usually numerous, sessile, blades lanceolate, 40–60 × 5–10 mm, reduced distally, thick or fleshy, bases sometimes subclasping, margins entire. Heads 20–500 , secund, in paniculiform arrays, secund-pyramidal to broadly club-shaped, sometimes leafy proximally, at least proximal branches spreading-recurved, branches and peduncles bracteolate, bracteoles reduced distally. Peduncles 2–3 mm, glabrous or sparsely hairy. Involucres 3–7 mm. Phyllaries in 3–4 series, unequal, lanceolate, margins ciliate, apices acute. Ray florets 8–17; laminae 5–6.2 × 0.4–0.6 mm. Disc florets 10–22; corollas 3–3.2 mm, lobes 0.5–1.2 mm. Cypselae (obconic) 1.1–1.5 mm, moderately strigose; pappi 3.8–4 mm (slightly clavate).
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 136, 137, 138, 145 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Synonym

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Aster sempervirens (Linnaeus) Kuntze
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 136, 137, 138, 145 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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eFloras

Solidago sempervirens

provided by wikipedia EN

Solidago sempervirens, the seaside goldenrod[3] or salt-marsh goldenrod,[4] is a plant species in the genus Solidago of the family Asteraceae. It is native to eastern North America and parts of the Caribbean. It is an introduced species in the Great Lakes region.[5] Similar plants found in the Azores (now Solidago azorica) are thought have evolved from a natural introduction of this species.[6][7]

Description

Solidago sempervirens is a succulent, herbaceous perennial that reaches heights of 4–6 feet (120–180 cm). It is unusual in the genus in having toothless, hair-less leaves, thicker than those of most other Solidago species. Flower heads are found in a large paniculiform inflorescence at the top of the plant, often with branches that bend backwards towards the base. This species blooms in late summer and well into the fall, later in the season than most of its relatives. Its fruits are wind-dispersed achenes. They are yellow often, and have sprouts of buds at the end of the short branches.[8]

Distribution and habitat

In nature, S. sempervirens is primarily a plant of the seashore, and is accordingly found along coasts of the Atlantic Ocean, the Caribbean, and the Gulf of Mexico from Central America north as far as Newfoundland. It grows on sand dunes, salt marshes, and the banks of estuaries. It is naturally found inland along the St. Lawrence Seaway and the Great Lakes, and has expanded its range further inland along roadsides over the past 30 years. It is highly tolerant of both saline soils and salt spray, and is usually found growing on coastal dunes and in salt marshes.

Varieties[2][8]
  • Solidago sempervirens var. mexicana (L.) Fernald - from Massachusetts south to Central America and the West Indies
  • Solidago sempervirens var. sempervirens - from Newfoundland south to Virginia; introduced in Great Lakes region

Ecology

Solidago sempervirens is a seashore plant with a high salinity tolerance. It is occasionally cultivated as an ornamental, preferring sunny locations with sandy soil, with little competition from other species.

References

  1. ^ United States Department of Agriculture Plants Profile: Solidago sempervirens
  2. ^ a b The Plant List, Solidago sempervirens
  3. ^ "Solidago sempervirens". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 19 November 2015.
  4. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  5. ^ Biota of North America Program 2014 county distribution map
  6. ^ Erik Sjögren Plants and Flowers in the Azores, 2001
  7. ^ Schaefer, Hanno (2015-05-29). "On the origin and systematic position of the Azorean goldenrod, Solidago azorica (Asteraceae)". Phytotaxa. 210 (1): 47. doi:10.11646/phytotaxa.210.1.5. Retrieved 24 June 2021.
  8. ^ a b Flora of North America, Solidago sempervirens Linnaeus, 1753. Seaside goldenrod , verge d’or toujours verte

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Solidago sempervirens: Brief Summary

provided by wikipedia EN

Solidago sempervirens, the seaside goldenrod or salt-marsh goldenrod, is a plant species in the genus Solidago of the family Asteraceae. It is native to eastern North America and parts of the Caribbean. It is an introduced species in the Great Lakes region. Similar plants found in the Azores (now Solidago azorica) are thought have evolved from a natural introduction of this species.

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