Taraxacum officinale ssp. ceratophorum (Ledeb.) Schinz ex Thellung | Species Image Gallery (opens in a new window) |
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TAXONOMY | |||||||||||||||
Family: | Asteraceae or Compositae | ||||||||||||||
Genus: | Taraxacum | ||||||||||||||
Species Synonyms: | Taraxacum mitratum Hagl. Taraxacum multesimum Hagl. Taraxacum naevosum Dahlst. Taraxacum ovinum Rydb. Taraxacum paucisquamosum M.E. Peck Taraxacum pellianum Porsild Taraxacum pseudonorvegicum Dahlst. Taraxacum purpuridens Dahlst. Taraxacum torngatense Fern. Taraxacum umbrinum Dahlst. Taraxacum carthamopsis Porsild Taraxacum ceratophorum (Ledeb.) DC. Taraxacum dumetorum Greene Taraxacum eurylepium Dahlst. Taraxacum hyperboreum Dahlst. Taraxacum integratum Hagl. Taraxacum lacerum Greene Taraxacum lapponicum Kihlm. ex Hand.-Maz. Taraxacum latispinulosum M.P. Christens. Taraxacum laurentianum Fern. Taraxacum longii Fern. Taraxacum malteanum Dahlst. Taraxacum maurolepium Hagl. Taraxacum ambigens Fern. Taraxacum ambigens var. flutius Fern. Taraxacum amphiphron Böcher Taraxacum arctogenum Dahlst. Taraxacum brachyceras Dahlst. Taraxacum trigonolobum Dahlst. |
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Common Names: | fleshy dandelion horned dandelion rough dandelion |
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DISTRIBUTION | |||||||||||||||
Canada: | Yukon Territory – Northwest Territories – Baffin Island, south to British Columbia – northern Ontario – eastern Quebec – Labrador | ||||||||||||||
Saskatchewan: | province-wide; Lake Athabasca – Hasbala Lake – Cypress Hills | ||||||||||||||
Ecoregion: | Cypress Upland, Moist Mixed Grassland, Boreal Transition, Churchill River Upland, Tazin Lake Upland, Selwyn Lake Upland | ||||||||||||||
HABITAT | |||||||||||||||
Saskatchewan: | open woods, rocky slopes, thickets, drying meadows and muskegs | ||||||||||||||
Associated Species: | Picea mariana, Poa glauca, Salix planifolia, Saxifraga tricuspidata | ||||||||||||||
RARITY STATUS | |||||||||||||||
Provincial
Status According to Harms (2003): |
Vulnerable |
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Nature Conservancy Status: | G5 S2 |
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Saskatchewan
Species at Risk Status: |
None |
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COSEWIC Status: | None |
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Taraxacum officinale ssp. ceratophorum is vulnerable because it is almost always locally sparse. This species occurs over a wide range in Saskatchewan and no immediate threats are known at this time. | |||||||||||||||
SPECIES DESCRIPTION | |||||||||||||||
Height: | 10 – 25 cm tall | ||||||||||||||
Roots: | taproot fleshy | ||||||||||||||
Stems: | may be tufted, hollow, milky juice, up to twice as long as leaves, straw-coloured to reddish at top, glabrous, may be hairy below the involucre | ||||||||||||||
Leaves: | basal rosette, petiole broad-winged, leaves 15 – 20 cm long, 2 – 4 cm wide, linear to broadly oblanceolate, glabrous or slightly hairy, thin, margin coarsely dentate to runcinate and spinescent | ||||||||||||||
Inflorescence: | heads solitary, ligulate; phyllaries in 3 series; outer 2 series to 6 mm long, to 2 mm wide, ovate to lanceolate, appressed in flower, may be reflexed in fruiting, straw-coloured to whitish brown to greyish brown; inner series 1 – 2 cm long, to 2 mm wide, lanceolate, green with or without black tip, may have corniculate appendage near tip; receptacle naked | ||||||||||||||
Flowers: | ligulate florets perfect, sulphur to orange yellow | ||||||||||||||
Fruits: | achenes to 5 mm long, brown to gray to olive or black, ribbed, tubercles present, beak 6 – 15 mm long; pappus white to creamy | ||||||||||||||
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