Difference between revisions of "Tripleurospermum maritimum subsp. phaeocephalum"
Acta Bot. Fenn. 75: 9. 1967.
Common names: Seashore or wild chamomile matricaire à capitules brunâtres
Basionym: Matricaria inodora var. phaeocephala Ruprecht Fl. Samojed. Cisural., 42. 1845
Synonyms: Matricaria ambigua (Ledebour) Krylov Matricaria maritima subsp. phaeocephala (Ruprecht) Rauschert Matricaria maritima var. phaeocephala (Ruprecht) Rauschert Tripleurospermum hookeri (Ruprecht) Pobedimova Tripleurospermum phaeocephalum
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|genus=Tripleurospermum | |genus=Tripleurospermum | ||
Latest revision as of 19:57, 5 November 2020
Phyllaries broadly triangular, scarious margins blackish brown, 0.4–1 mm wide. Cypselae: resin gland lengths usually little more than twice widths. 2n = 18.
Phenology: Flowering Jul–Oct.
Habitat: Low Arctic seashores and beaches (near high tide strand line), moist to moderately well-drained areas, gravel, sand, moss
Elevation: 0–50 m
Distribution
Greenland, Man., N.W.T., Nunavut, Ont., Que., Yukon, Alaska, arctic Eurasia.
Discussion
Subspecies phaeocephalum occurs along the low Arctic shore (both continental and insular) from Alaska to Quebec; it does not penetrate north into the Canadian Arctic Archipelago; it does not reach Labrador; it is present in Greenland. If treated as a species, the name T. hookeri Schultz-Bipontinus has priority (N. N. Tzvelev 2002b).
Selected References
None.
Lower Taxa
None.