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FNA | Family List | FNA Vol. 20 | Asteraceae | Solidago

67a. Solidago nemoralis Aiton subsp. nemoralis

Solidago nemoralis var. arenicola Burgess; S. nemoralis var. elongata Peck; S. nemoralis var. haleana Fernald

Basal leaves oblanceolate to obovate, usually crenate. Involucres usually 2.6–4.2+ mm (larger in tetraploids). Disc corolla lobes 0.5–0.9(–1) mm. Cypselae usually only sparsely strigose; pappi usually not or barely exceeding ray corolla tubes and bases of disc corolla lobes. 2n = 18, 36.

Flowering Aug–Oct(–Nov, s). Open sandy, gravelly, and clay soils, disturbed sites, roadsides, prairies, fields; 0–1000+ m; Man. , N.B., N.S., Ont., P.E.I., Que.; Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., W.Va., Wis.

Subspecies nemoralis is found in the open, disturbed soils of fields, roadsides, and gravelly embankments in the eastern deciduous forest area. Plants of the southeastern United States with a few elongated proximal branches in the arrays have been treated as var. haleana; that trait occurs farther north on occasion and not all shoots of the same plant have it. It is treated here as a synonym of the typical subspecies. Diploids occur throughout the range; tetraploids are scattered.


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