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Lychnis flos-cuculi L.

Ragged robin

ParentsUnknownGenus is not in the current taxonomy
GenusLychnisGreek for “lamp”
Speciesflos-cuculi

About plant names...

Ragged robin, named for its ragged-looking pink blossoms, is a native of Europe that has become naturalized in northeastern North America.

Identification: Plants are 8-35″ (20-90 cm) in height. Jointed stems have long, narrow leaves in pairs, each up to 3″ (7.6 cm) in length. The pink (rarely white) flowers, 1-1½″ (3-4 cm) across, have five petals, each with four uneven lobes. Flowers are 1-1½″ (3-4 cm) across. Leaves are 2-3″ (5-7.6 cm) long × ¼-½″ (6.3-12 mm) wide, entire, and attached directly to the stem.

Here are species with similar-looking flowers. See also Centaurea.

 

Lychnis flos-cuculi (ragged robin)

5/31/2016 · Nashua River Rail Trail, Groton, Pepperell, Mass­a­chu­setts

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Lychnis flos-cuculi
Common Name

ragged robin
Plant 8-35″ (20-90 cm) high, slightly branched
Flowers

 

Pink, rarely white, 1-1½″ (3-4 cm) across, with five deeply divided, uneven-looking petals with rounded tips
Leaves About 2-3″ (5-7.6 cm) long, ¼-½″ (6.3-12 mm) wide, entire
Range/ Zones

USDA Zones: 4a-8b
Habitats Marshy areas
Type Wild
Occurrence Common

 

Online References:

The University of Wisconsin's Robert W. Freckmann Herbarium

Wildflowers of Ireland

The Connecticut Botanical Society's Connecticut wildflowers site

Plants for a Future, a resource and information centre for edible and otherwise useful plants

Lychnis flos-cuculi (ragged robin)

5/29/2010 · Brown St. and Rte. 1, Falmouth, Maine · ≈ 3½ × 2½′ (116 × 77 cm)

Lychnis flos-cuculi (ragged robin)

5/27/2016 · Acton Arboretum, Acton, Mass­a­chu­setts

Lychnis flos-cuculi (ragged robin)

6/16/2012 · Brown St., Falmouth, Maine · ≈ 5 × 3½″ (13 × 9.2 cm)

Lychnis flos-cuculi (ragged robin)

6/16/2012 · Brown St., Falmouth, Maine · ≈ 7 × 4½″ (17 × 11 cm)

Lychnis flos-cuculi (ragged robin)

6/8/2014 · Flat Rock Conservation Area, Skytop Lane, Dunstable, Mass­a­chu­setts · ≈ 8 × 5″ (19 × 12 cm)

Lychnis flos-cuculi (ragged robin)

6/16/2012 · Brown St., Falmouth, Maine · ≈ 6 × 4″ (15 × 10 cm)

Lychnis flos-cuculi (ragged robin)

5/29/2010 · Brown St. and Rte. 1, Falmouth, Maine · ≈ 17 × 12″ (44 × 29 cm)

Coronaria flos-cuculi (L.) A. Braun

Silene flos-cuculi (L.) Greuter & Burdet

 

Lychnis flos-cuculi description by Thomas H. Kent, last updated 10 Sep 2023.

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Lychnis flos-cuculi (ragged robin)

6/15/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts · ≈ 7 × 4½″ (17 × 11 cm)

Lychnis flos-cuculi (ragged robin)

6/16/2012 · Brown St., Falmouth, Maine · ≈ 7 × 4½″ (17 × 11 cm)

Lychnis flos-cuculi (ragged robin)

5/29/2010 · Brown St. and Rte. 1, Falmouth, Maine · ≈ 2½ × 1½′ (78 × 52 cm)

Lychnis flos-cuculi (ragged robin)

5/31/2016 · Nashua River Rail Trail, Groton, Pepperell, Mass­a­chu­setts

Lychnis flos-cuculi (ragged robin)

5/31/2016 · Nashua River Rail Trail, Groton, Pepperell, Mass­a­chu­setts

Lychnis flos-cuculi (ragged robin)

5/31/2016 · Nashua River Rail Trail, Groton, Pepperell, Mass­a­chu­setts

Lychnis flos-cuculi (ragged robin)

6/8/2014 · Flat Rock Conservation Area, Skytop Lane, Dunstable, Mass­a­chu­setts · ≈ 6 × 4″ (16 × 10 cm)

Lychnis flos-cuculi (ragged robin)

6/8/2014 · Flat Rock Conservation Area, Skytop Lane, Dunstable, Mass­a­chu­setts · ≈ 8 × 5″ (19 × 12 cm)

Range: Zones 4a-8b:

About this map...