Overview

Distribution

Polygala polygama Walter:
United States (North America)
Canada (North America)
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Polygala aboriginum Small:
United States (North America)
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Global Range: Nova Scotia, Quebec, and Ontario, south through the eastern United States to Florida, west to Minnesota, Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, and Texas.

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Physical Description

Diagnostic Description

Loose raceme with well-spaced, distinctly pediceled flowers; cleistogamous flowers from base of plant; largest sepals twice as long as wide; corolla distinctly fringed; flowers pink-purple to white; biennial or perennial.

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Ecology

Habitat

Comments: Dry woods and openings (Fernald 1950). Ohio: open to semi-open situations in dry to moist usually sandy soil: open woods, woods borders, dunes, banks, and fields (McCance and Burns 1984). Florida: dry pinelands and coastal dunes (Wunderlin 1982).

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Associations

Flower-Visiting Insects of Purple Milkwort in Illinois

Polygala polygama (Purple Milkwort)
(Insect activity is unspecified; this observation is from Mitchell)

Bees (short-tongued)
Colletidae (Hylaeinae): Hylaeus floridanus (Mch)

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Life History and Behavior

Reproduction

Showy chasmogamous flowers in terminal racemes; also cleistogamous flowers in underground, prostrate, or aerial racemes. Seeds have a conspicuous aril, promoting dispersal by ants; the subterranean cleistogamous flowers are self-"dispersed".

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N4 - Apparently Secure

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Widespread in the United States and Canada.

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