Character Evolution in Anagallis (Myrsinaceae) Inferred from Morphological and Molecular Data
Morphological and molecular data were analyzed using parsimony to trace character evolution within Anagallis s.l., including Anagallis, Asterolinon, Pelletiera, Lysimachia nemorum, and L. serpyllifolia, which are distributed among two sister clades. The first clade,
comprising Anagallis arvensis, A. foemina, A. monelli, Asterolinon, Pelletiera, Lysimachia nemorum, and L. serpyllifolia is supported by synapomorphies such as an annual, repeatedly branching habit, sessile leaves, flowers in almost all leaf axils, and membranous slightly dentate
calyx margins, of which all but the last are homoplasious within Anagallis s.l.. The second clade, comprising Anagallis species only, is supported by a large number of synapomorphies, of which the majority are floral features. Placement of ten taxa, for which no DNA was available,
is proposed based on morphological characters evaluated in the light of the result of the phylogenetic analysis of sequenced taxa.
Keywords: ANAGALLIS; CHARACTER EVOLUTION; MORPHOLOGY; MYRSINACEAE; PHYLOGENY
Document Type: Regular Paper
Publication date: 01 January 2007
- Systematic Botany is the scientific journal of the American Society of Plant Taxonomists and publishes four issues per year.
2011 Impact Factor: 1.517
2011 ISI Journal Citation Reports® Rankings: 87/190 - Plant Sciences
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