Taraxacum officinale



Taraxacum officinale, FR568, Hinsdale Co. 3320


Taraxacum officinale, Breckenridge, Summit Co. 1932


Taraxacum officinale, FR568, Hinsdale Co. 3324


Taraxacum officinale, FR568, Hinsdale Co. 3328

Scientific Name Taraxacum officinale USDA PLANTS Symbol TAOF
Common Name Dandelion ITIS Taxonomic Serial No. 36213
Family Asteraceae (Sunflower) SEINet
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Description Life zones and habitat: Plains to montane (3500 to 10500 ft.); lawns, disturbed areas. roadsides, meadows.
Plant: Erect perennial 2 to 20 inches tall; stem is hollow, naked and sometimes purplish; it is smooth or upper portion somewhat hairy; milky sap.
Leaves: Basal leaves are oblanceolate to obovate in outline, usually lobed more than halfway to the midrib; 1-1/2 to 18 inches long.
Inflorescence: Solitary composite flower heads about 1-1/2 inches across, 40 to 100+ bright yellow ray flowers; phyllaries glaborous (hairless) in two rows, outer row reflexed (bent backward).
Bloom Period: March to October.
Fruit: Seed heads in large, white fuzzy ball.
References: "Flora of Colorado" by Jennifer Ackerfield, Burke Museum of Natural History and SEINet.
BONAP Distribution Map

Map Color Key
Colorado Status:

© Tom Lebsack 2024

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County