Difference between revisions of "Solidago altissima"

Linnaeus

Sp. Pl. 2: 878. 1753.

Common names: Late goldenrod verge d’or haute
Treatment appears in FNA Volume 20. Treatment on page 153. Mentioned on page 151, 152, 156, 157.
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Latest revision as of 18:32, 6 November 2020

Plants 50–200 cm; rhizomes short- to long-creeping. Stems 1–40+, usually short-hairy throughout, sometimes proximally glabrescent. Leaves: basal 0; proximal cauline usually withering by flowering; sessile or subpetiolate, tapering to bases; blades oblanceolate, 95–150 × 16–20 mm, relatively thick and firm, entire to serrate along distal 1/2, strongly 3-nerved, apices acute to acuminate, abaxial faces finely strigose, more so along nerves, adaxial ± scabrous; mid to distal cauline blades oblanceolate (proximally) to lanceolate (distally), mid (30–)45–100(–170) × (5–)7–16(–25) mm, much reduced distally [(15–)25–55 × (3–)4.5–10(–17) mm], margins finely serrate (teeth 0–6(–14) per side on mid), distally usually becoming entire or remotely serrulate, adaxial faces ± scabrous, abaxial moderately strigillose, densely villoso-strigillose along nerves, distal sometimes minutely stipitate-glandular. Heads (15–)100–1200+, secund, in secund, pyramidal, paniculiform arrays, branches divergent and recurved, sometimes ascending-divergent, sometimes merely club-shaped thyrsiform in small plants, 5–30 × 2–25 cm (often 1.5–2 times as long as wide in southern plants). Peduncles 1–3.5 mm, moderately densely short hispiduloso-strigillose, sometimes minutely stipitate-glandular; bracteoles linear, sometimes minutely stipitate-glandular. Involucres narrowly campanulate, 2.5–4.5 mm. Phyllaries in ca. 3 series, strongly unequal; outer lanceolate, acute, inner linear-lanceolate, margins rarely minutely stipitate-glandular, apices acute to obtuse. Ray florets (5–)8–13(–17); laminae 0.7–1.5(–2) × 0.1–0.4(–0.5) mm. Disc florets (2–)3–6(–9); corollas usually 2.3–3.6 mm, lobes 0.5–0.9(–1.2) mm. Cypselae (narrowly obconic) 0.5–1.5 mm, sparsely to moderately strigillose; pappi 2.5–3.5 mm.

Distribution

V20-328-distribution-map.gif

Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Ala., Ariz., Ark., Calif., Colo., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., Mont., N.Dak., N.H., N.J., N.Mex., N.Y., Nebr., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Va., Vt., W.Va., Wyo., Mexico, introduced worldwide.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Key

1 Involucres usually 3–4 mm; Arizona, California, and Utah, edge of Great plains eastward through e United States, northward in Canada to Nova Scotia and w to Saskatchewan, n of prairies Solidago altissima subsp. altissima
1 Involucres usually 2–3 mm; Great plains e toIllinois Solidago altissima subsp. gilvocanescens
... more about "Solidago altissima"
John C. Semple +  and Rachel E. Cook +
Linnaeus +
Triplinerviae +
Late goldenrod +  and verge d’or haute +
Alta. +, B.C. +, Man. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, N.Dak. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, Nebr. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Va. +, Vt. +, W.Va. +, Wyo. +, Mexico +  and introduced worldwide. +
Altissimae +, Solidago subg. Brachyactis +, Solidago (sect. Undefined) ser. Paniculatae +, Serotinae +, Solidago subg. Triactis +  and Solidago (sect. Undefined) ser. Trinerves +
Solidago altissima +
Solidago subsect. Triplinerviae +
species +