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Montana Field Guide

Montana Field Guides

Night-flowering Catchfly - Silene noctiflora
Other Names:  Night-flowering Silene, Clammy Cockle

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Taprooted annual, hirsute and glandular above. Stems erect, 20–80 cm, mostly simple. Leaves mainly cauline, lanceolate to obovate, 3–12 cm long, the lower petiolate. Inflorescence an open, glandular, several-flowered cyme. Flowers: calyx 12–20 mm long with lobes 5–9 mm long, 10-veined, becoming swollen in fruit; petals white, the blade 2-lobed, 3–10 mm long; styles 5. Capsules ovoid, equaling and splitting the calyx, opening by 6 slits (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout North America north of Mexico; native to Europe (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



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


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Citation for data on this website:
Night-flowering Catchfly — Silene noctiflora.  Montana Field Guide.  .  Retrieved on , from