Solidago species

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Scientific Name Solidago canadensis (Solidago altissima) USDA PLANTS Symbol SOCA6
Common Name Canadian Goldenrod ITIS Taxonomic Serial No. 36224
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Widespread distribution from plains to montane (3500 to 9800 ft.); damp meadows, streamsides, ditch banks, roadsides; may also inhabit dry, open slopes and forests.
Plant: Erect perennial up to 5 feet tall; stout, smooth stems growing in large patches.
Leaves: No basal leaves; stem leaves are lanceolate with three veins, sharply serrate and 2 to 5 inches long; generally smooth on top and with very fine, short hairs beneath.
Inflorescence: Large panicles of many small (1/8-inch long) yellow composite flowers on panicle branches, each blossom with 10 to 17 short rays.
Bloom period: July-October.
References: "Flora of Colorado" by Jennifer Ackerfield, USDA Plant Guide and SEINet.
BONAP Distribution Map
For S. altissima

Colorado Status:
Native
Scientific Name Solidago missouriensis USDA PLANTS Symbol SOMI2
Common Name Smooth Goldenrod, Prairie Goldenrod ITIS Taxonomic Serial No. 36277
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains to montane (3700 to 10000 ft.); stream banks, roadsides, rocky slopes, open areas.
Plant: Erect perennial with single or many stems growing in clumps; stems 6 to 35 inches tall, stout, hairless.
Leaves: Lower leaves on long, winged petioles, oblanceolate to linear-oblanceolate from 2 to 4 inches (or more) long; upper leaves becoming shorter, lanceolate to linear with ciliate edges, with upper third somewhat serrate; smooth surfaces.
Inflorescence: Panicles about 8 inches long of many (10 to 200+) very small composite flower heads; each flower with 5 to 14 bright yellow rays and 8 to 20 central disk florets; green phyllaries with blunt or pointed tips.
Bloom Period: July to October.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Solidago multiradiata USDA PLANTS Symbol SOMU
Common Name Rocky Mountain Goldenrod ITIS Taxonomic Serial No. 36279
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (6500 to 13000 ft.); sunny, exposed areas; widespread.
Plant: Erect perennial 2 to 20 inches tall, single or multiple reddish stems growing in clumps.
Leaves: Basal and lower stem leaves linear-oblanceolate to spatulate, smooth faces, edges serrate to crenate near tips, blades 7/8 to 4 inches long; basal leaves with winged petioles; basal leaves sometimes present at flowering; stem leaves sessile, sometimes clasping, ovate to linear-lanceolate, 3/4 inch long or less, edges often distinctly ciliate.
Inflorescence: Many (4 to 75+) small composite flower heads in dense, round-topped corymbs; each flower with 12 to 18 bright yellow rays and 10 to 35 central disk florets.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel,and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Solidago nana USDA PLANTS Symbol SONA
Common Name Baby Goldenrod, Dwarf Goldenrod ITIS Taxonomic Serial No. 36280
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to montane (5000 to 9800 ft.); meadows, open wooded slopes.
Plant: Erect perennial 4 to 20 inches tall; with 1 to 6 stems growing in clumps; stems with fine, dense hairs.
Leaves: Basal and lower stem leaves 3/4 to 4 inches long, basal leaves present at flowering and much shorter than lower stem leaves, petiolate, oblanceolate to narrowly obovate or spatulate, short-hairy surfaces, and smooth or serrate margins; mid and upper stem leaves shorter than lower stem leaves, oblanceolate to elliptic, sessile with short-hairy surfaces.
Inflorescence: Many (30 to 100) small composite flower heads in dense, round-topped clusters (broadly corymbiform arrays); each flower with 6 to 10 bright yellow rays and 8 to 20 yellow disk florets.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Solidago simplex var. simplex (Solidago simplex ssp. simplex var. simplex) USDA PLANTS Symbol SOSIS3
Common Name Mt. Albert Goldenrod, Sticky Goldenrod ITIS Taxonomic Serial No. 566823
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (6000 to 13000 ft.); meadows, wooded areas, alpine slopes.
Plant: Erect perennial 2 to 24 inches tall depending on altitude/conditions; single or multiple stems, smooth near base.
Leaves: Basal and lower stem leaves 2 to 4 inches long, smooth surfaces, narrowly oblanceolate or spatulate, pointed or rounded tips, toothed edges, lower ones with winged petioles; upper stem leaves lanceolate to linear, shorter and have smoother edges, sessile, and may be sticky.
Inflorescence: Many (3 to 150) small composite flower heads in narrow, elongated panicles; each flower with 7 to 16 bright yellow rays and 6 to 31 central disk florets; resinous (sticky) phyllaries.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, www.americansouthwest.net, and SEINet.
BONAP Distribution Map

Colorado Status:
Native
© Tom Lebsack 2021