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Montana Field Guide

Montana Field Guides

Summer Adonis - Adonis aestivalis
Other Names:  Summer Pheasant's-eye

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Glabrous annual. Stems 20–60 cm. Leaves basal and cauline, ovate in outline, 2 to 3 times pinnately dissected into linear, ultimate segments. Flowers pedicellate, solitary from leaf axils, regular; sepals 5 greenish, 5–10 mm long; petals 6 to 8, orange, 10–17 mm long with a dark, basal spot; stamens and pistils numerous. Fruit a beaked, wrinkled, glabrous achene, 4–6 mm long borne in a cylindical head 2–3 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
A garden escape introduced to Granite and Powell counties and ID south to CA, UT; native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
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Citation for data on this website:
Summer Adonis — Adonis aestivalis.  Montana Field Guide.  .  Retrieved on , from