familyAsteraceae
genusSolidago
sectionSolidago sect. Ptarmicoidei
speciesSolidago rigida
subspeciesSolidago rigida subsp. glabrata
Solidago rigida subsp. glabrata
Canad. J. Bot. 66: 1807. 1988.
Basionym: Solidago rigida var. glabrata E. L. Braun
Synonyms: Aster jacksonii (Elliott) RafinesqueLeioligo corymbosa (Kuntze) SmallOligoneuron jacksonii ElliottOligoneuron rigidum var. glabrata (E. L. Braun) G. L. NesomSolidago corymbosa unknownSolidago jacksonii unknownSolidago rigida var. laevicaulis Shinners
Revision as of 01:37, 27 July 2019 by FNA>Volume Importer
Stems 40–95 cm. Leaves and stems glabrous or hispid (stems 0–25 hairs/mm2; leaves 0–20 hairs/mm2). Leaves: basal to 250 × 40 mm; mid to distal lanceolate to ovate, sometimes rhombic, thin. Heads usually compact, flat-topped arrays (2–)4–14(–24) × 5–15(–24.5) cm. Peduncles sparsely to moderately hispid. Phyllaries outer glabrous; inner linear oblanceolate, 0.8–1.4 mm wide, glabrous. Disc corolla lobes 1–1.6 mm. Cypselae glabrous. 2n = 18.
Phenology: Flowering Sept–Oct(–Nov).
Habitat: Prairies, glades, savannas, dry open areas, especially on calcareous soils
Elevation: 0–300 m
Distribution
Ala., Ark., Ga., Ky., La., Miss., Mo., N.C., Ohio, S.C., Tenn., Tex.
Discussion
Apart from the differences stated above, subsp. glabrata is quite similar to subsp. rigida. Oligoneuron corymbosum Small is illegitimate.
Selected References
None.
Lower Taxa
None.