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Montana Field Guide

Montana Field Guides

Bog Buckbean - Menyanthes trifoliata


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 9

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General Description
Glabrous, acaulescent perennial with a thick rhizome. Scapes ascending, 10–30 cm, just surpassing the leaves. Leaves: petioles 5–30 cm, basally swollen and sheathing; blades trifoliolate, leaflets elliptic to oblong, entire, 3–10 cm long. Inflorescence a bracteate raceme, 3–10 cm long. Flowers perfect, regular, 5-merous; sepals 4–7 mm long, united basally; corolla white, salverform, the tube 4–7 mm long, lobes lanceolate, 6–12 mm long, fimbriate ventrally; anthers purple, exserted; ovary ca. 1/3 inferior; style 1; stigma 2-lobed. Fruit an ovoid capsule 6–10 mm long with numerous seeds (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to CA, CO, MO and PA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 130

(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
Fens and wet, peaty soil of marshes, swamps, often with sedges and Sphagnum moss; valleys to lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Bog Buckbean — Menyanthes trifoliata.  Montana Field Guide.  .  Retrieved on , from