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Weyand, Phyllis

Arnica latifolia

Arnica latifolia Bong.

Broadleaf Arnica, Mountain Arnica, Daffodil Leopardbane

Asteraceae (Aster Family)

Synonym(s): Arnica latifolia var. angustifolia

USDA Symbol: ARLA8

USDA Native Status: L48 (N), AK (N), CAN (N)

A variable species with numerous combinations of distinctive characteristics. Height ranges from 4-24 in. Basal leaves are broad, sometimes heart-shaped and long-petioled. Stem leaves are narrower and become gradually smaller. Foliage may or may not be hairy. Yellow, radiate flowers occur singly or in clusters at the end of each stem.

From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 2 feet tall.
Leaf: Green
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug

Distribution

USA: AK , CA , CO , ID , MT , NV , OR , UT , WA , WY
Canada: AB , BC , NT , YT
Native Distribution: AK, s. to CA & w. CO
Native Habitat: Alpine

Growing Conditions

Water Use: High
Light Requirement: Sun , Part Shade
Soil Moisture: Wet
CaCO3 Tolerance: Medium
Soil Description: Variable.
Conditions Comments: Because the species is so variable, it is especially important to choose material from nearby sources and habitats that matches your site.

Benefit

Conspicuous Flowers: yes

Propagation

Description: Propagate by seed or division of rhizomes or mature plants. Seed germination is good.
Seed Treatment: Germination is enhanced by stratification.
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:		FAC	FAC			FAC				FAC

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Additional resources

USDA: Find Arnica latifolia in USDA Plants
FNA: Find Arnica latifolia in the Flora of North America (if available)
Google: Search Google for Arnica latifolia

Metadata

Record Modified: 2015-12-15
Research By: TWC Staff

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