''Solidago caesia'', commonly named blue-stemmed goldenrod, wreath goldenrod, or woodland goldenrod, is a

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

native to North America.

Description

Key identification features include a dark, wiry, blue or purple stem, and

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

in the leaf axils instead of in a large array at the top of the plant.Flora of North America, ''Solidago caesia'' Linnaeus 1753. Blue-stem or woodland or wreath goldenrod , verge d’or bleuâtre
/ref> Prefers medium to part shade, and can often be found in wooded areas.

Distribution

It grows in the central and eastern parts of the continent from

Manitoba , image_map = Manitoba in Canada 2.svg , map_alt = Map showing Manitoba's location in the centre of Southern Canada , Label_map = yes , coordinates = , capital = Win ...

east to

New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen Provinces and territories of Canada, provinces and territories of Canada. It is one of the three Maritime Canada, Maritime provinces and one of the four Atlantic Canad ...

, south as far as

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...

and eastern

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

.Biota of North America Program 2014 county distribution map
/ref>

Galls

This species is host to the fillowing insect induced galls: * ''

Asphondylia silva ''Asphondylia'' is a cosmopolitan genus of gall midges in the family Cecidomyiidae. All species in this genus induce galls on plants, especially on flowers and flower buds. There are over 300 described species in ''Asphondylia'', with many ...

'' * ''

Asteromyia carbonifera ''Asteromyia carbonifera'' is a species of gall midges in the family Cecidomyiidae. It creates galls on ''Solidago'' plants. Females can lay up to 300 eggs at a time and often collect conidia of the fungus ''Botryosphaeria dothidea'', which is dep ...

'' (Osten Sacken, 1862) * ''

Gnorimoschema gallaeasterella ''Gnorimoschema gallaeasterella'' is a moth in the family Gelechiidae. It was described by D. S. Kellicott in 1878. It is found in North America, where it has been recorded from Alberta, California, Illinois, Kentucky, Maine, Maryland, Ne ...

'' (Kellicott, 1878)
external link to gallformers

References

External links

caesia ''Caesia'' is a genus of herbs in the family Asphodelaceae, subfamily Hemerocallidoideae,Stevens, P.F. (2001 onwards)"Hemerocallidoideae" ''Angiosperm Phylogeny Website''. Retrieved 2016-06-10. native to Australia, New Guinea, Madagascar and So ...

Flora of North America Plants described in 1753 Taxa named by Carl Linnaeus {{Solidago-stub