Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Capitate Sandwort - Arenaria congesta
Other Names:  Eremogone congesta


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Perennial from a branched caudex, forming loose mats. Stems erect, simple, 5–30 cm. Leaves filiform, flexuous or rigid, glabrous, 2–8 cm long, shorter above. Inflorescence many-flowered, congested to sometimes open, glabrous. Flowers: sepals glabrous, ovate to lanceolate, scarious-margined, 3–6 mm long; petals oblong, 5–8 mm long. Capsules glabrous, 3–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Many treatments now put this species in the genus Eremogone. We have varieties congesta, cephaloidea (Rydb.) Maguire, and lithophila (Rydb.) Dorn.

Species Range
Present
 


Range Comments
AB, SK south to CA, UT, and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 85

(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:
Capitate Sandwort — Arenaria congesta.  Montana Field Guide.  .  Retrieved on , from