Arum L.
Arum is a small genus of 12 species, native in Europe, West Asia and Macaronesia. One species, Arum maculatum L., is native in Belgium as well.
The phylogeny and biogeography of the genus were recently studied by Espíndola & al. (2010).
- Leaves appearing in autumn, 15-35 cm long, very rarely dark-spotted, often with conspicuous whitish veins. Appendix of spadix yellow. Fruiting spike 10-15 cm long === Arum italicum
Leaves appearing in early spring, 7-20 cm long, usually dark-spotted, never with conspicuous whitish veins. Appendix of spadix pur
plish or violet (rarely yellow). Fruiting spike 3-6 cm long (native) === A. maculatum
Literature:
Boyce P. (1993) The genus Arum. The Stationery Office, London: 212 p.
Engler H.G.A. (1920) Aroideae & Pistoideae. In: Engler H.G.A. (ed.), Das Pflanzenreich 73: 67-99.
Espíndola A., Buerki S., Bedalov M., Küpfer P. & Alvarez N. (2010) New insights into the phylogenetics and biogeography of Arum (Araceae). Bot. J. Linn. Soc. 163(1): 14–32.
Lambinon J., Delvosalle L., Duvigneaud J. (avec coll. Geerinck D., Lebeau J., Schumacker R. & Vannerom H. (2004) Nouvelle Flore de la Belgique, du Grand-Duché de Luxembourg, du Nord de la France et des Régions voisines (Ptéridophytes et Spermatophytes). Cinquième édition. Jardin botanique national de Belgique, Meise: CXXX + 1167 p.
Linz J., Stökl J.,Urru I.,Krügel T., Stensmyr M.C. & Hansson B.S. (2010) Molecular phylogeny of the genus Arum (Araceae) inferred from multi-locus sequence data and AFLPs. Taxon 59(2): 405-415.
Prime C.T. (1960) Lords and ladies. London: 209 p.
Prime C.T. (1980) Arum. In: Tutin T.G. & al. (eds.), Flora Europaea, vol. 5. Cambridge University Press, Cambridge: 269-271.
Stace C. (2010) New flora of the British Isles, 3th ed.: XXXII + 1232 p. Cambridge University Press.
Terpó A. (1973) Kritische Revision der Arum-Arten des Karpatenbeckens. Acta Bot. Acad. Sci. Hung. 18: 215-225.
Webb D.A. & Yeo P.F. (1984) Arum. In: Walters S.M. & al. (eds.), The European Garden Flora, vol. 2: 104-106. Cambridge University Press, Cambridge.