Difference between revisions of "Sphaeromeria potentilloides"
Muhlenbergia 1: 7. 1900.
Common names: Fivefinger chickensage cinquefoil false sagebrush
Basionym: Artemisia potentilloides A. Gray Proc. Amer. Acad. Arts 6: 551. 1866
Synonyms: Tanacetum potentilloides (A. Gray) A. Gray Vesicarpa potentilloides (A. Gray) Rydberg
FNA>Volume Importer |
FNA>Volume Importer |
(No difference)
| |
Revision as of 18:39, 24 September 2019
Perennials, 3–30 cm. Stems lax. Leaves basal and cauline; basal (20–70 mm) 2-pinnately lobed (ultimate lobes linear to filiform, ca. 1 mm wide); cauline (5–18 mm) usually pinnately lobed, faces silky-tomentose. Heads 2–20 in corymbiform to paniculiform arrays or borne singly. Involucres 2.3–5.2 mm. Phyllaries 8–10, hairy. (Receptacles villous, hairs white, curly, 0.5–1 mm.) Cypselae 0.8–1.5 mm (faces obscurely nerved, becoming mucilaginous when wet).
Distribution
w United States.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Heads (3–)4–20; involucres 3–4(–4.5) mm; basal leaves 2-pinnately lobed | Sphaeromeria potentilloides var. potentilloides |
| 1 | Heads 1–3(–4); involucres 4–5.1 mm; basal leaves 1-pinnately lobed | Sphaeromeria potentilloides var. nitrophila |