downy yellow violet

(Viola pubescens)

Conservation Status

IUCN Red List

not listed

NatureServe

N5 - Secure

SNR - Unranked

Minnesota

not listed

Wetland Indicator Status

Great Plains

FACU - Facultative upland

Midwest

FACU - Facultative upland

Northcentral & Northeast

FACU - Facultative upland

 
downy yellow violet
 
 
Description

Downy yellow violetrises on one or two stems.

There are usually no basal leaves, sometimes there is just a single basal leaf. The leaf blades are egg-shaped to kidney-shaped and have a broadly angled to straight (truncate) base. The upper and lower leaf surfaces are densely covered with minute, fine, short hairs, especially along the main veins. The leaf margin has 15 to 23 teeth per side. The upper leaf stipules are herbaceous, broadly egg-shaped, and broadly angled at the tip.

The flowering stem is conspicuously hairy.

 

Height

 

 

Flower Color

Yellow

 

Similar Species

Smooth yellow violet (Viola eriocarpa) rises on usually three or more stems. There are usually 1 to 4 basal leaves. The leaf blades are heart-shaped to broadly egg-shaped and have a heart-shaped base. The upper and lower leaf surfaces are hairless or sparsely hairy. The leaf blade has 8 to 15 teeth per side. The upper leaf stipules are semi-herbaceous, ance-shaped, and narrowly angled at the tip. The flowering stem is hairless or has hairs in longitudinal lines. Smooth yellow violet ismuch more widespread and much more common.

Habitat

Dry. Woods, forests.

Ecology

Flowering

April to June

 

Pests and Diseases

 

Use

 

Distribution

Distribution Map

 

Sources

4, 7, 28, 29, 30.

4/26/2024    
     

Nativity

Native

     

Occurrence

 

Taxonomy

Kingdom

Plantae (green algae and land plants)

Subkingdom

Viridiplantae (green plants)

Infrakingdom

Streptophyta (land plants and green algae)

Superdivision

Embryophyta (land plants)

Division

Tracheophyta (vascular plants)

Subdivision

Spermatophytina (seed plants) / Angiospermae (flowering plants)

Class

Magnoliopsida (flowering plants)

Superorder

Rosanae

Order

Malpighiales (nances, willows, and allies)

Family

Violaceae (violet)

Subfamily

Violoideae

Tribe

Violeae

Genus

Viola (violets)

Subgenus

Viola (pansies and violets)

Section

Chamaemelanium

Subsection

Nudicaules

   

A survey of violets (Russel, 1965) argued that Viola pubescens and Viola eriocarpa intergraded wherever the two species occurred together. For this reason, he combined them as subspecies, and he renamed Viola eriocarpa to Viola pubescens var. eriocarpa. Following that publication, virtually all floras and treatments used the name Viola pubescens var. scabriuscula. Several treatments between 1995 and 2001 synonymized the two species as Viola pubescens.

A recent taxonomic treatment of the genus Viola reviewed just the species occurring in northeastern North America, specifically those species included in the second edition of Gleason and Cronquist’s Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Among the many changes suggested by the authors was separating Viola pubescens var. pubescens and Viola pubescens var. scabriuscula as distinct species.

   

Subordinate Taxa

 

   

Synonyms

Viola pubescens var. pubescens

   

Common Names

downy yellow violet

 

 

 

 

 

 

 

 

Glossary

Rhizome

A horizontal, usually underground stem. It serves as a reproductive structure, producing roots below and shoots above at the nodes.

 

 

 

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Flower

     
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Leaves

  Stipule

 

Camera

Slideshows

Downy Yellow Violet
DianesDigitals

Downy Yellow Violet
About

Copyright DianesDigitals

Downy Yellow Violet (Viola pubescens)
Andree Reno Sanborn

Downy Yellow Violet (Viola pubescens)
About

Copyright DianesDigitals

 

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