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Montana Field Guide

Montana Field Guides

Chilean Sweet-cicely - Osmorhiza berteroi
Other Names:  Osmorhiza chilensis


Global Rank: G5
State Rank: S5

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

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General Description
Stems erect, often branched above, 25–80 cm. Herbage glabrous to sparsely hirsute, non-aromatic. Leaves biternate; leaflets coarsely toothed to incised, 2–8 cm long. Umbels: peduncles becoming 10–25 cm long; rays ascending, 3–10 cm long; involucre and involucel absent. Flowers white; stylopodium conic, beak-like. Mericarps erect-hispid, linear-oblong, 11–15 mm long, concavely narrowed to the tip (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Lesica (2012) treats this species as O. chilensis Hook. & Arn., as do many regional treatments.

Species Range
Present
 


Range Comments
AK to NL south to CA, AZ, MI, NH; S. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 121

(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
Dry to moist, forest, thickets, woodlands; 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:
Chilean Sweet-cicely — Osmorhiza berteroi.  Montana Field Guide.  .  Retrieved on , from