Taraxacum praestans
|
publication ID |
https://doi.org/10.5281/zenodo.293764 |
|
persistent identifier |
https://treatment.plazi.org/id/90236A28-9C47-F54E-F96B-F538147C430C |
|
treatment provided by |
Plazi |
|
scientific name |
Taraxacum praestans |
| status |
|
13. T. praestans View in CoL group. Leaves 5-30 cm, lobed to laciniate, dull green, often dark-spotted, often hairy; lobes usually narrow, acute, patent, acutely or acuminately dentate; petiole usually winged, dentate. Scapes 8-25 cm, erect, usually hairy. Capitulum 35-55 mm in diameter. Involucre 15-25 x 15-20 mm; outer bracts 6-12 mm, ovate-lanceolate, with a narrow pale margin, often glaucous on inner face, erect to patent, ciliate, ecorniculate or slightly callosed. Ligules rather pale yellow with a grey or brown stripe. Achenes straw-coloured or brown; body 3-4 mm, tuberculate in upper part; cone О-3-О-8 mm, conical; beak 7-10 mm, slender. Apomictic. Wet places. N. & W. Europe. Br Da Fa Fe Ge Hb Ho Hs Is No Rs (N, B) Su.
42 species have been described for Europe, mainly from Norway and Iceland. The following havea relatively wide distribution:
T. euryphyllum (Dahlst.) M. P. Christiansen , Bot. Tidsskr. 45: 154 (1940). 2л = 32. • Br Da Ge Hb Ho No Su.
T. lainzii Van Soest , Trab. Jard. Bot. Univ. Santiago Comp. 7: 5 (1954). 2л = 24. Br Hb Hs.
T. landmarkii Dahlst. , Bergens Mus. Aarb. 1923-1924(6): 14 (1925). 2л = 32. e B rH bN o.
T. maculigerum H. Lindb. fil. , Acta Soc. Fauna FI. Fenn. 29(9): 35 (1907). 2л=32. • Br Da Fe Ge Hb Ho No Su.
T. naevosiforme Dahlst. , Ark. Bot. 12(2): 49 (1912) (T. john- stonii Dahlst., T. unguilobiforme Dahlst. ). 2л = 32. • Br Hb No Su.
T. naevosum Dahlst. in Warming, Bot. Faeroes 3: 840 (1908) (Г. asperum M. P. Christiansen , T. atroglaucum M. P. Christiansen , T. brachylobum M. P. Christiansen , T. brevilobum M. P. Christiansen , T. dilutisquameum M. P. Christiansen , T. galeipotens M. P. Christiansen , T. rubellum M. P. Christiansen , T. scabrum M. P. Christiansen ). 2л = 32. Br Fa Fe Is No Su.
T. praestans H. Lindb. fil. , Acta Soc. Fauna Fl. Fenn. 29(9): 24 (1907) (Г. opeatolobum Dahlst.). 2л = 32. • Br Da Fe Hb No Rs (B) Su.
T. purpuridens Dahlst. , Ark. Bot. 12(2): 25 (1912). • Fe No Su.
T. sagittifolium H. Lindb. fil. ex Dahlst. , Kungl. Svenska Vet.- Akad. Handl. 9(2): 74 (1930). • Fe Rs (N) Su.
T. stictophyllum Dahlst. , Ark. Bot. 12(2): 38 (1912). 2л=32. • BrFaIsNo.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.