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Montana Field Guide

Montana Field Guides

White-stemmed Evening-primrose - Oenothera nuttallii


Global Rank: G5
State Rank: SNR

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

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General Description
Perennial with rhizome-like caudex branches. Stems erect, horizontally branched, 40–60 cm with white, peeling epidermis, glandular above. Herbage strigose. Leaves cauline, linear-lanceolate or oblanceolate, entire to weakly serrate, 2–10 cm long with fascicles in some axils. Flowers white; hypanthium 15–30 mm long, glandular; sepals 1–2 cm long, united to one side; petals 15–20 mm long; stigma lobes 4–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to ON south to CO, KS and MN (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 2

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Relative Density

Recency

 

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



Habitat
Sandy soil of grasslands, sagebrush steppe; plains (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
White-stemmed Evening-primrose — Oenothera nuttallii.  Montana Field Guide.  .  Retrieved on , from