Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Ross' Avens - Geum rossii


Global Rank: G5
State Rank: S5

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

External Links






 
General Description
Plants with branched rootstocks, often forming mats. Stems erect or ascending, subscapose, 2–20 cm, pubescent. Leaf blades 2–10 cm long, pubescent, sometimes glandular, narrowly lanceolate, with numerous pinnate, lobed divisions. Inflorescence a 1- to 4-flowered cyme. Flowers erect; hypanthium cup-shaped; sepals erect, green to purple, 3–6 mm long; petals yellow, 5–9 mm long. Achenes 2–4 mm long, pubescent; style 3–4 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

In Montana we have varieties rossii and turbinata (Rydb.) C.L. Hitchc.

Species Range
Present
 


Range Comments
AK south to AZ, NM, CO; Asia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 44

(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
Login Logout
Citation for data on this website:
Ross' Avens — Geum rossii.  Montana Field Guide.  .  Retrieved on , from