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) Rafinesque Leioligo corymbosa (Kuntze) Small Oligoneuron jacksonii Elliott Oligoneuron rigidum var. glabrata (E. L. Braun) G. L. Nesom Solidago corymbosa unknown Solidago jacksonii unknown Solidago rigida var. laevicaulis Shinners
Revision as of 15:23, 18 September 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.