Epilobium L.
Publ. & Syn.Excluded: Epilobium alpinum (see E. lactiflorum and E. anagallidifolium), E. ciliatum subsp. watsonii (E. watsonii, see E. ciliatum), E. leptophyllum.
NotesHoch: The epilobiums and [Chamerion] included here are (possibly with some exceptions) 2n = 36. It is not completely clear if this is a diploid or a tetraploid number. Our current best data (Baum et al. 1994) suggest that n = 18 is the base number in Epilobieae, with all other numbers in the tribe (n = 30, 19, 16, 15, 13, 12, 10, and 9) derived from n = 18 secondarily. The number must ultimately have come from some lower number (the outgroups for Epilobieae have x = 11 and x = 7) but there are no near basal species with n = 9.
       Elven: There are some reports of 2n = 18 in Epilobium (e.g., in E. alsinifolium, E. anagallidifolium, and E. ciliatum, see below). We have therefore indicated the common 2n = 36 as '4x?'.
Chromosomes28 30 (4x). - Far East (N, S), Alaska. - Several reports.
GeographyAsian (NE) - amphi-Pacific/Beringian: RFE ALA.
Parent taxonOnagraceae
Child taxa Epilobium alsinifolium Vill.
Epilobium anagallidifolium Lam.
Epilobium arcticum Sam.
Epilobium ciliatum Raf.
Epilobium collinum C.C. Gmel.
Epilobium davuricum Fisch. ex Hornem.
Epilobium hornemannii Rchb.
Epilobium lactiflorum Hausskn.
Epilobium montanum L.
Epilobium palustre L.
PAF ID5201
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Panarctic Flora Editor-in-Chief: Reidar Elven (Natural History Museum, University of Oslo)
Editorial Committee: Reidar Elven, David F. Murray (Museum of the North, University of Alaska), Volodya Yu. Razzhivin (Komarov Botanical Institute, Russian Academy of Sciences), Boris A. Yurtsev [deceased] (Komarov Botanical Institute, Russian Academy of Sciences)