(Viola pubescens)
Overview • Description • Distribution • Taxonomy
Downy yellow violet is often used in gardens as an ornamental. It has also been used medicinally to treat respiratory ailments, headaches, and digestive issues. |
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Description |
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Downy yellow violet typically grows to a height of 10-25 cm (4-10 in). It has a shallow, fibrous root system. The stem is usually hairless and may be green or purplish in color. The stem grows upright or at an angle from a short, underground stem (rhizome). The leaves are heart-shaped, with a rounded base and a pointed tip. They are typically 2-10 cm (0.8-4 in) long and 2-8 cm (0.8-3.2 in) wide. They are covered in fine hairs, which give them a downy appearance. The leaf margins are usually toothed or slightly lobed. Downy yellow violet produces showy, bright yellow flowers from March to May. The flowers are borne on individual stalks that arise from the leaf axils. Each flower has five petals. Each petal is 1-2 cm (0.4-0.8 in) long and is widest near the base. Non-opening, self-polinating (cleistogamous) flowers are produced in summer and fall. |
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Distribution |
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Sources |
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4/10/2023 | ||||
Taxonomy |
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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) | ||
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 | ||
Subordinate Taxa |
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downy yellow violet (Viola pubescens var. pubescens) Peck’s yellow violet (Viola pubescens var. peckii) |
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Most authors recognize two varieties of Viola pubescens based on the number of basal leaves and on the hairiness of the leaves, leaf stalks, and flower stalks. Some sources classify the less hairy form var. scabriuscula as the separate species Viola eriocarpa. However, where the two forms occur together they freely cross-pollinate, creating offspring with intermediate characteristics. For this reason it does not deserve recognition as a separate species. Some sources recognize a third variety, var. peckii, based on darker foliage and hairless seed capsules. However, these occur throughout the range of the species. They are treated by most authors as a population-level divergence not worthy of formal taxonomic recognition. |
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Synonyms |
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Common Names |
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downy yellow violet yellow violet yellow forest violet |
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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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MinnesotaSeasons.com Sightings |
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Avon Hills Forest SNA, North Unit Bertram Chain of Lakes Regional Park Cannon River Turtle Preserve SNA Charles A. Lindbergh State Park Forestville/Mystery Cave State Park Mary Schmidt Crawford Woods SNA Minnesota Valley NWR, Black Dog Unit Nerstrand Big Woods State Park |
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