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Asteraceae
Solidago

not marked as a favorite taxon Solidago mexicana Linnaeus. Common name: Southern Seaside Goldenrod. Phenology: Late Aug-Jan (and year-round southwards). Habitat: Coastal dunes, dune slacks, maritime wet grasslands, tidal marshes. Distribution: E. MA south to s. FL, west and south to TX and Mexico (TAB, TAM, VER); West Indies.

Glossary (beta!)

Subgenus: Pleiactila. Section: Maritimae.

Origin/Endemic status: Native

Taxonomy Comments: This diploid species (2n=18) warrants distinction at specific rank from S. sempervirens.

Synonymy ⓘ: = K4, NY, POWO, S, Semple et al (2016a); = Solidago sempervirens L. ssp. mexicana (L.) Semple — FNA20, Semple (2003); = Solidago sempervirens L. var. mexicana (L.) Fernald — C, F, G, GW2, Il, NE, SE1, Tx, Va, Johnson (1995); < Solidago sempervirens L. — Bah, Mex, RAB, Tat, WH3. Basionym: Solidago mexicana L. 1753

Links to other floras: = Solidago sempervirens ssp. mexicana - FNA20

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
  • Great Plains: FACW (taxonomic split from wetland indicator species)
  • Midwest: FACW (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily ⓘ: 8

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image #1 of Solidago mexicana© Aidan Campos source | Original Image ⭷
image #2 of Solidago mexicana© Alan Weakley source | Original Image ⭷
image #3 of Solidago mexicana© Bruce A. Sorrie | Original Image ⭷
image #4 of Solidago mexicana© Alan Weakley source | Original Image ⭷
image #5 of Solidago mexicana© Jay Horn source | Original Image ⭷
image #6 of Solidago mexicana© Gary P. Fleming | Original Image ⭷
image #7 of Solidago mexicana© Bruce A. Sorrie | Original Image ⭷
image #8 of Solidago mexicana© Alan Weakley source | Original Image ⭷
image #9 of Solidago mexicana© Jay Horn source | Original Image ⭷
image #11 of Solidago mexicana© Alan Weakley source | Original Image ⭷
image #12 of Solidago mexicana© Alan Weakley source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect-ascending, rhizomatous perennial of coastal dunes, dune slacks, maritime wet grasslands and tidal marshes.

Stems: Stems unbranched, sparsely hairy in lines.

Leaves: Leaves basal and alternate on stem, numerous, winged-petiolate (petioles of basal and lower leaves sheathing the stem), oblong-lance-shaped to lance-shaped, 2-12 in. long (reduced upward), with prominent midrib, fleshy-thick and smooth.

Inforescence:

Flowers: Composite flowers (heads) in conical to narrowly pyramidal array of branches, with heads mostly on 1 side of each branch; heads consisting of 7-11 small, yellow ray florets encircling a small center disk of 10-16 yellow tubular florets. The base of each head (covered by light green bracts) is less than 1/4 in. long.

Fruits:

Comments: May bloom sporadically until at least January in mild winters.

Height: 1 1/2 - 6 ft.

plant sale text:

bloom table text:

description: Erect-ascending, rhizomatous perennial of coastal dunes, dune slacks, maritime wet grasslands and tidal marshes.

stems: Stems unbranched, sparsely hairy in lines.

leaves: Leaves basal and alternate on stem, numerous, winged-petiolate (petioles of basal and lower leaves sheathing the stem), oblong-lance-shaped to lance-shaped, 2-12 in. long (reduced upward), with prominent midrib, fleshy-thick and smooth.

inflorescence:

flowers: Composite flowers (heads) in conical to narrowly pyramidal array of branches, with heads mostly on 1 side of each branch; heads consisting of 7-11 small, yellow ray florets encircling a small center disk of 10-16 yellow tubular florets. The base of each head (covered by light green bracts) is less than 1/4 in. long.

fruits:

comments: May bloom sporadically until at least January in mild winters.

cultural notes:

germination code:

native range: coastal U.S. from TX to MA



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