familyAsteraceae
genusSolidago
sectionSolidago sect. Ptarmicoidei
speciesSolidago rigida
subspeciesSolidago rigida subsp. rigida
Solidago rigida subsp. rigida
Synonyms: Oligoneuron grandiflorum (Rafinesque) Small Solidago grandiflora Rafinesque Solidago rigida var. magna Clute Solidago rigida var. microcephala de Candolle
Revision as of 20:27, 16 December 2019 by FNA>Volume Importer
Stems (robust) 60–150 cm, coarsely hispid (10–70 hairs/mm2) (hairs stiff). Leaves: basal large, to 250 × 100 mm; faces moderately to densely hispid (7–50 hairs/mm2); mid to distal ovate, thick. Heads usually in loose, open, spreading, flat-topped arrays, 3–20(–34) × (4.5–)6.5–18(–27) cm. Peduncles densely hispido-strigose. Phyllaries: outer hairy; inner oblong to slightly spatulate, 0.8–1.4 mm wide, glabrate to puberulent. Disc corolla lobes deep, 1.1–1.6 mm. Cypselae glabrous. 2n = 18, 36.
Phenology: Flowering Aug–Oct.
Habitat: Prairies, glades, oak savannas, dry open areas especially on calcareous soils, disturbed grounds (railroads, etc.)
Elevation: 0–400+ m
Distribution
![V20-356-distribution-map.gif](/w/images/2/2a/V20-356-distribution-map.gif)
Ont., Ark., Conn., Del., Ill., Ind., Iowa, Kans., Ky., Md., Mass., Mich., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Va., W.Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.