Packera species

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Scientific Name Packera crocata USDA PLANTS Symbol PACR5
Common Name Saffron Ragwort, Saffron Groundsel ITIS Taxonomic Serial No. 518143
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (8500 to 13000 ft.); moist areas, bogs, stream banks, subalpine meadows.
Plant: Erect perennial up 6 to 10 inches tall at high altitudes, up to 2 feet at lower elevations; one or rarely 2 or 3 stout, grooved, hairless stems.
Leaves: Thick, fleshy and often lobed, lanceolate to ovate; lower leaves petiolate and up to 3 inches long; upper leaves much smaller and clasping.
Inflorescence: Tight cluster of a few to several composite heads, up to 1-1/2 inches across; 8 to 13 yellow to orange rays with indented tips; dark orange disk florets; green phyllaries with dark red tips.
Bloom Period: June to August.
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 Packera fendleri USDA PLANTS Symbol PAFE4
Common Name Fendler's Groundsel, Fendler's Ragwort ITIS Taxonomic Serial No. 518146
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (5000 to 11500); rocky, gravelly sites on hillsides, streambanks, disturbed areas, open forests.
Plant: Erect perennial 4 to 16 inches tall, single or multiple woolly stems.
Leaves: Basal leaves are petiolate, blades lanceolate to oblanceolate, 1 to 2-1/2 inches long, lobed or wavy edges; stem leaves similar, but sessile and smaller.
Inflorescence: Open, corymb arrays of 6 to 25 heads with 6 to 8 yellow, backward-curving ray florets around a center of 30 to 45 yellow to brown disk florets.
Bloom Period: May to September.
References: "Flora of Colorado" by Jennifer Ackerfield, www.americansouthwest.net and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Packera pseudaurea var. flavula USDA PLANTS Symbol PAPSF
Common Name Falsegold Groundsel ITIS Taxonomic Serial No. 526300
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills and montane (5600 to 10500 ft.); moist meadows, stream banks, open areas.
Plant: Erect perennial 12 to 28 inches tall, usually one, sometimes 2 to 4 smooth stems.
Leaves: Basal leaves petiolate, blades broadly ovate sometimes nearly hastate, 3/4 to 2 inches long and 3/4 to 1-1/2 inches wide with bluntly-toothed margins; lower stem leaves petiolate, margins usually pinnatifid or laciniate, sometimes nearly smooth, gradually becoming smaller, sessile or clasping.
Inflorescence: Open or congested corymb-like groups of 5 to 30 yellow composite flower heads; 0 to 13 rays, 70 to 80 yellow disk florets; smooth, linear, green phyllaries below.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield, SW Colorado Wildflowers, Senecio pseudaureus in New Manual of Botany of the Central Rocky Mountains by John M. Coulter, page 582; and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Packera streptanthifolia USDA PLANTS Symbol PAST10
Common Name Rocky Mountain Groundsel, Cleft-leaf Groundsel ITIS Taxonomic Serial No. 518158
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (6500 to 11500 ft.); woodlands and open areas.
Plant: Erect perennial 4 to 20+ inches tall; 1 or a few smooth or slightly hairy stems.
Leaves: Basal leaves spatulate to oblanceolate, or ovate to orbiculate, 3/4 to 1-1/2 inches long and petiolate, edges smooth crenate, dentate, or weakly lobed; stem leaves much fewer and smaller, oblanceolate to more linear, toothed or cleft edges.
Inflorescence: Cluster of a few to several composite heads about 1 inch across; 8 to 13 yellow to orange ray flowers with indented tips; dark orange disk florets; smooth green bracts sometimes purplish and hairy at the tips; bright white pappus hairs.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Burke Museum of Natural History and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Packera werneriifolia USDA PLANTS Symbol PAWE4
Common Name Hoary Groundsel, Alpine Rock Groundsel ITIS Taxonomic Serial No. 518160
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Subalpine and alpine (6500 to 14100 ft.); open, rocky areas in meadows and openings.
Plant: Erect perennial 3 to 6 inches tall; woolly, often reddish stem.
Leaves: Mostly basal; fleshy, thick, narrow to elliptic or ovate, may be woolly underneath, up to 1-1/2 inches long and petiolate.
Inflorescence: Cluster of a few composite heads less than 1 inch across; 8 to 13 yellow rays with indented tips; darker yellow disk florets.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2020