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Montana Field Guide

Montana Field Guides

Tweedy's Ivesia - Ivesia tweedyi

Status Under Review

Global Rank: G4
State Rank: SNR

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

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General Description
Stems 5–20 cm. Leaves basal and few cauline; the blade glabrous to glandular-puberulent, 3–8 cm long; leaflets obovate, deeply lobed, 4–8 mm long. Flowers: hypanthium cup-shaped, 2–3 mm long; sepals 2–4 mm long; petals barely shorter than the sepals. Fruit ca. 2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Endemic to eastern WA, ID and MT. Known from Mineral County (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Stony sparsely-vegetated soil of rock outcrops, grasslands; subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Tweedy's Ivesia — Ivesia tweedyi.  Montana Field Guide.  .  Retrieved on , from