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Solidago caesia

Solidago caesia L.

Solidago axillaris Pursh

Solidago caesia L. var. axillaris (Pursh) A. Gray

Solidago caesia L. var. caesia

Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn’s Botanical Latin)
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
GenusSolidagoFrom Latin solido, “to make whole or heal,” because it was believed these species had healing properties
Speciescaesia“Light blue,” from the light bluish-gray stem coloring on mature plants

About plant names...

Wreath goldenrods are natives of North America. For a comparison chart of some of the varieties of goldenrods, see Solidago.

Identification: Plants are 12-36" (30-91 cm) tall, relatively small for goldenrods. They have a purplish stem that may be covered with a whitish bloom. It is green when young, becoming blue-gray or purplish-gray with age. Single stems are common, though there may be a few branches. Leaves are up to 5" (12 cm) × 1" (2.5 cm) at the base, and smaller further up the stem. They are lance-like (“lanceolate”) in shape, sometimes thickening more in the center and becoming more oval (“ovate”). Each leaf has a single prominent central vein. Flowerheads appear in clusters along the stem, often with a larger cluster at the top; flowering is from August to October. Flowers are even around each stem, not just on one side. Individual flowers are ⅛-¼" (4-6.3 mm) in diameter, with 1-6 ray petals and 3-6 disc florets.

Edibility: Not edible.

Online References:

Solidago caesia at Illinois Wildflowers

Solidago caesia at the University of Wisconsin's Robert W. Freckmann Herbarium

Solidago caesia on Erv Evans' site at the North Carolina State University College of Agriculture and Life Sciences

Solidago caesia at the Lady Bird Johnson Wildflower Center

Solidago caesia on eFloras

References:

Newcomb, Lawrence, Morrison, Gordon (Illus.), Newcomb’s Wildflower Guide, Little, Brown and Company, 1977, p. 450

Peterson, Roger Tory, McKenny, Margaret, Peterson Field Guides: A Field Guide to Wildflowers of Northeastern and North Central North America, Houghton Mifflin, 1968, p. 200

Thierer, John W., Niering, William A, Olmstead, Nancy C., National Audabon Society Field Guide to North American Flowers, Eastern Region, Alfred A. Knopf, 2001, p. 322, 415

Brandenburg, David M., National Wildlife Federation Field Guide to Wildflowers of North America, Andrew Stuart Publishing, Inc., 2010, p. 136

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/29/2012 · By Jacquelyn Boyt ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/26/2010 · Doane’s Falls, Royalston, MA
≈ 9 × 6" (23 × 15 cm) ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 9 × 6" (22 × 14 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 4½ × 7" (11 × 17 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 6 × 9" (14 × 22 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/29/2012 · By Jacquelyn Boyt ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/17/2014 · Beaver Brook Conservation Area, Hollis, NH
≈ 6 × 7" (15 × 17 cm)

Solidago caesia description by Thomas H. Kent, last updated 24 Aug 2013.

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Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 11 × 7" (27 × 18 cm) ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, MA
≈ 7 × 11" (18 × 27 cm) ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 8 × 12" (20 × 31 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/20/2014 · Garden in the Woods, Framingham, MA

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/6/2010 · Henry E. Cowdrey Nature Center, Townsend, MA
≈ 4½ × 6" (11 × 14 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/6/2010 · Henry E. Cowdrey Nature Center, Townsend, MA
≈ 5 × 8" (13 × 19 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/26/2010 · Doane’s Falls, Royalston, MA
≈ 9 × 6" (22 × 14 cm) ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 9 × 6" (22 × 14 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/6/2010 · Henry E. Cowdrey Nature Center, Townsend, MA
≈ 6 × 9" (15 × 23 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 5 × 8" (13 × 19 cm)

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, MA
≈ 4½ × 7" (11 × 17 cm) ID is uncertain

Solidago caesia (Wreath Goldenrod, Blue-stemmed Goldenrod, Early Goldenrod, Blue-Stemmed Goldenrod)

9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, MA
≈ 4½ × 7" (11 × 17 cm) ID is uncertain

Range:

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