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Calder's Rockcress - Boechera calderi
Other Names:
Arabis calderi
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Native Species Global Rank :
G5
State Rank :
SNR
C-value :
Agency Status USFWS :
USFS :
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General Description
Biennial or perennial with a simple or rarely few-branched caudex. Stems 10–60 cm, terminal. Vestiture of 3- to 4-branched hairs at the base of the plant. Basal leaves oblanceolate to oblong with entire or dentate margins, 15–40 mm long. Stem leaves lanceolate, auriculate-clasping. Flowers purple, sometimes pale; petals 7–10 mm long . Fruit 2–8 cm × 1–2 mm, erect and appressed to the stem; seeds in 2 rows per locule (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX ).
Range Comments
YT to AB south to CA and WY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX ).
Observations in Montana Natural Heritage Program Database
Number of Observations: 1
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Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Sparsely vegetated, often moist soil of open slopes, cliffs, rock slides, open forest; valleys to lower alpine (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX ).
Stewardship Responsibility
References
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