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Hieracium caespitosum Dumort.

Field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderAsteralesFlowering plants with a central disk flower and surrounding petals, like daisies
FamilyAsteraceaeThe aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
GenusHieraciumFrom Greek hierakion, “a hawk,” from Pliny’s belief that hawks strengthened their eyesight by eating these plants
SpeciescaespitosumFrom caespes, “a turf, sod, or field”

About plant names...

Meadow hawkweed is a European native, apparently introduced to the United States in 1828 as an ornamental plant. It escaped and is now widespread.

Plants: Plants consist of a basal rosette with 3-8 or more leaves, and many tall, thin relatively bare flower stems 10-36″ (25-91 cm) high. Stems, leaves, and stolons exude a milky latex when cut. Stems have dense hairs 1/32-⅛″ (1-4 mm) long, softer toward the bottom, stiffer toward the top.

Leaves: The basal leaves are 2-10″ (5-25 cm) long and ½-1¼″ (1.3-3.2 cm) wide. They are variable in appearance, oblong lanceolate to elliptic in shape, with blunt or pointed tips, sometimes toothed.

Flowers: Each stem is topped with a flat-topped or umbrella-shaped cluster of 5-30 yellow flowers. Flowers appear from May to August, and are ½-1″ (1.3-2.5 cm) across.

Fruits: Shiny, black, and plumed: equipped with individual feathery awns or bristles that depend on the wind to carry them to new locations.

Online References:

Minnesota Wildflowers

The Connecticut Botanical Society's Connecticut wildflowers site

Plants.ces.ncsu.edu

The USDA Forest Service's Fire Effects Information Database

EFloras

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

5/24/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 5 × 3½″ (13 × 9.2 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

5/24/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 4½ × 7″ (11 × 17 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/3/2018 · Mt. Watatic, Ashby, Mass­a­chu­setts · ≈ 10 × 6″ (24 × 16 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

8/27/2021 · Hackett and Minot Trails, Harpswell, Maine · ≈ 6 × 4″ (16 × 10 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

8/20/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts · ≈ 6 × 9″ (14 × 22 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

8/27/2021 · Hackett and Minot Trails, Harpswell, Maine · ≈ 5 × 3″ (12 × 8.4 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/22/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts · ≈ 9 × 6″ (22 × 14 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/21/2017 · Pearl Hill State Park, Townsend, Mass­a­chu­setts · ≈ 10 × 6″ (24 × 16 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/3/2018 · Mt. Watatic, Ashby, Mass­a­chu­setts · ≈ 10 × 6″ (24 × 16 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

5/22/2010 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 5 × 3½″ (13 × 9.2 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/1/2010 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 12 × 8″ (31 × 20 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/3/2018 · Mt. Watatic, Ashby, Mass­a­chu­setts · ≈ 6 × 4″ (15 × 10 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/10/2021 · Otter Brook Preserve, Harpswell, Maine · ≈ 5 × 3½″ (13 × 9 cm)

Hieracium pratense Tausch

 

Hieracium caespitosum description by Thomas H. Kent, last updated 26 Jul 2023.

© FloraFinder.org. All rights reserved.


 

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/3/2018 · Mt. Watatic, Ashby, Mass­a­chu­setts · ≈ 5 × 3½″ (13 × 9.2 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/1/2010 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 10 × 15″ (26 × 39 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/21/2017 · Pearl Hill State Park, Townsend, Mass­a­chu­setts · ≈ 6 × 4″ (14 × 10 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

5/24/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 14 × 9″ (35 × 23 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/2/2010 · J. Harry Rich State Forest, Groton, Mass­a­chu­setts · ≈ 14 × 9″ (35 × 23 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

9/19/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 3 × 4½″ (7.9 × 11 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

8/27/2021 · Hackett and Minot Trails, Harpswell, Maine · ≈ 3½ × 6″ (9.4 × 14 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/5/2010 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 6 × 4″ (15 × 10 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/21/2017 · Pearl Hill State Park, Townsend, Mass­a­chu­setts · ≈ 5 × 3½″ (13 × 9.2 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/3/2018 · Mt. Watatic, Ashby · ≈ 7 × 4½″ (18 × 12 cm)

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

6/1/2010 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

5/24/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 1 × 1½′ (34 × 52 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

8/20/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts · ≈ 8 × 12″ (20 × 31 cm) ID is uncertain

Hieracium caespitosum (field hawkweed, yellow hawkweed, meadow hawkweed, king devil, yellow paintbrush, devil’s paintbrush, yellow devil, yellow fox-and-cubs, yellow king-devil)

9/19/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 4½ × 3″ (11 × 7.9 cm) ID is uncertain

Range:

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