Abstract
A distinct group of triploid, apomicticTaraxacum species, recognized by blackish green, pruinose involucres and ± hamate lateral lobes, is newly described as sectionHamata. Cytological and morphological investigations have shown a distinctive uniformity among these species which supports this classification. A key to all knownHamata species, illustrations and notes about critical species are given. A new species of the section,T. fusciflorum, is described.
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Borgvall, T., 1959: TheTaraxacum-flora of Bohuslän. — Acta Horti Gotoburg.23, 1–40.
—, Haglund, G. E., 1957: TheTaraxacum-flora of the Gothenburg region. — Acta Horti Gotoburg.21, 1–42.
Christiansen, M. P., 1936: NyeTaraxacum-arter af gruppenVulgaria. — Dansk Botanisk Arkiv9 (2), 1–32, tab. 1–23.
- 1942: TheTaraxacum-flora of Iceland. — The Botany of Iceland3 (3).
—, 1971: NyeTaraxacum-arter i Danmark. — Bot. Tidsskr.66, 76–97.
—, Wiinstedt, K., 1934:Taraxacum, Mælkebøtte, Løvetand. — In:Raunkiær, C., Dansk Ekskursionsflora 5. ed., 302–318. — København: Nordisk Forlag.
Dahlstedt, H., 1918:Taraxacum. — In:Lindman, C. A. M., Svensk Fanerogamflora,2. ed., p. 559–589. — Stockholm.
—, 1925: Om ÖlandsTaraxacum-flora. — Arkiv för Botanik19 (18), 1–19.
—, 1927:Taraxacum alienum n. sp. — Rep. Botl. Soc. Exch. Club Br. Isl.8 (1), 30.
—, 1929:Taraxacum hamiferum n. sp. — Rep. Botl. Soc. Exch. Club Br. Isl.8 (5), 625–626.
- 1930: De svenska arterna av släktetTaraxacum VIII. — Spectabilia. Kungl. Svenska Vetenskapsakademiens handlingar,3 ser.9 (2).
Dahlstedt, H., 1932:Taraxacum pseudohamatum n. sp. — Rep. Botl. Soc. Exch. Club Br. Isl.,9 (5), 564.
Hagendijk, A., Soest, J. L. van, &Zevenbergen, H. A., 1968:Taraxacum kernianum spec. nov. — Gorteria4, 123–126.
—, —, —, 1973: NeueTaraxacum-Arten der Niederlande. II. — Acta Bot. Neerl.22, 616–636.
—, —, —, 1974: NeueTaraxacum-Arten der Niederlande. III. — Acta Bot. Neerl.23, 439–459.
—, —, —, 1976: NeueTaraxacum-Arten der Niederlande. IV. Acta Bot. Neerl.25, 81–105.
Haglund, G. E., 1935:Taraxaca från södra och mellersta Sverige samt Danmark. — Bot. Notiser 1935, 96–130.
—, 1935: SomeTaraxacum species from Ireland and Wales cultivated in the Botanic Garden of Lund. — Bot. Notiser 1935, 429–438.
—, 1947: Über dieTaraxacum-Flora der Insel Rügen. — Svensk Bot. Tidskr.41 (1), 81–103.
Lundevall, C.-F., 1962: Skandinaviska halvöns, Östfennoskandias och DanmarksTaraxaca (Preliminär förteckning). — Publ. Riksherbarium Stockholm.
Marklund, G., 1938: DieTaraxacum-Flora Estlands. — Acta Bot. Fenn.23, 1–150.
—, 1940: DieTaraxacum-Flora Nylands. — Acta Bot. Fenn.26, 1–187.
Mogie, M., Richards, A. J., 1983: Satellited chromosomes, systematics and phylogeny inTaraxacum. — Pl. Syst. Evol.141, 219–229.
Nijs, J. C. M. den, Sterk, A. A., 1980: Cytogeographical studies ofTaraxacum sect.Taraxacum (= sect.Vulgaria) in Central Europe. — Bot. Jahrb. Syst.101, 527–554.
Øllgaard, H., 1978: New Species ofTaraxacum from Denmark. — Bot. Notiser131, 497–521.
Palmgren, A., 1910: Bidrag till kännedomen om Ålands vegetation och flora. — Acta Soc. Fauna Fl. Fenn.34 (1), 1–53.
Raunkiær, C., 1906: Dansk Ekskursionsflora, 2. ed., Nordisk Forlag, København.
Richards, A. J., 1972: TheTaraxacum-Flora of the British Isles. — Watsonia9 (supplement).
Sahlin, C. I., 1977: Contribution to theTaraxacum flora of Nordrhein-Westfalen. — Bot. Notiser130, 61–70.
—, Soest, J. L., van, 1970:Taraxacum atactum, sp. nov. — Acta Bot. Neerl.19, 197–200.
Soest, J. L., van, 1955:Taraxacum sectioVulgaria Dt in Nederland I. — Acta Bot. Neerl.4 (1).
Tacik, T., 1980:Taraxacum Wiggers, Mniszek (Dmuchawiec), in Flora Polska,14, 7–199. Polska Akademia Nauk. Warszawa, Kraków.
Tutin, T. G. & al.: Flora Europaea1–5. — Cambridge: University Press.
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Øllgaard, H. Hamata, a new section ofTaraxacum (Asteraceae). Pl Syst Evol 141, 199–217 (1983). https://doi.org/10.1007/BF00989002
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DOI: https://doi.org/10.1007/BF00989002