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Montana Field Guide

Montana Field Guides

Big-flower Cinquefoil - Drymocallis fissa
Other Names:  Potentilla fissa

Status Under Review

Global Rank: G4G5
State Rank: SNR

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

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General Description
Perennials with erect stems up to 30(-40) cm tall, usually rhizomatous. Stems with whitish-brownish multicellular hairs, often glandular. Basal leaves odd-pinnate; leaflets 9-13,1-4 cm long and increasing in length towards tip. Stipules of stem leaves 6-12 mm long, hairy and glandular. Stem leaves similar to basal but reduced. Inflorescence a narrow to somewhat open cyme. Sepals 5-7(-10) mm long. Petals 7-12(-14) mm long, obovate, yellow, with a short claw. Stamens ca. 30, anthers ca. 11 mm long. Carpels numerous. Style slenderly fusiform, somewhat glandular-roughened near middle, subbasal. Achenes 1.2-1.5 mm long, sligthly beaked, brownish-yellow, obscurely and irregularly striate (adapted from: McGregor, 1986, Flora of the Great Plains).

Range Comments
Park, Stillwater and Carbon Counties; central ID east to western SD, south through WY, CO and northeast NM (Kartesz in prep. 2012).

Habitat
Meadows and rocky slopes (McGregor, 1986, Great Plains Flora).

References
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Citation for data on this website:
Big-flower Cinquefoil — Drymocallis fissa.  Montana Field Guide.  .  Retrieved on , from