Flora of North America species comparison

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Sphaeromeria potentilloides

cinquefoil chickensage, cinquefoil false sagebrush, cinquefoil tansy, five-finger chickensage
Habit 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.
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).
Heads

2–20 in corymbiform to paniculiform arrays or borne singly.

Sphaeromeria potentilloides
Distribution
from FNA
CA; ID; NV; OR
[WildflowerSearch map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Heads (3–)4–20; involucres 3–4(–4.5) mm; basal leaves 2-pinnately lobed
var. potentilloides
1. Heads 1–3(–4); involucres 4–5.1 mm; basal leaves 1-pinnately lobed
var. nitrophila
Source FNA vol. 19, p. 500.
Parent taxa Asteraceae > tribe Anthemideae > Sphaeromeria
Sibling taxa
S. argentea, S. cana, S. capitata, S. compacta, S. diversifolia, S. ruthiae, S. simplex
Subordinate taxa
S. potentilloides var. nitrophila, S. potentilloides var. potentilloides
Synonyms Artemisia potentilloides, Tanacetum potentilloides, Vesicarpa potentilloides
Name authority (A. Gray) A. Heller: Muhlenbergia 1: 7. (1900)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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