Gentianaceae: Systematics and Natural History
Lena Struwe, Victor A. Albert
Cambridge University Press, May 9, 2002 - Nature - 652 pages
The family Gentianaceae is a diverse lineage of over 1500 angiosperm species, including many tropical and temperate trees, shrubs, and herbs with a wide range of floral types and colours. This volume provides the first comprehensive review of the family, covering phylogeny, classification, biogeography, palynology, phytochemistry and morphology, and also presents the first classification of the entire family to be published for over 100 years, generated using modern molecular- and morphology-based phylogenetic data. The volume places the Gentianaceae in context with its relatives in the order Gentianales and subclass Asteridae; presents an updated, phylogenetic classification of tribes, subtribes, and genera; investigates the corroborative value of morphological features in phylogenetic diagnoses; and comprehensively summarizes palynology, seed morphology, and phytochemistry. Descriptions of each of the 87 gentian genera are provided, as are discussions on morphological evolution and biogeography for each major evolutionary lineage.
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3-colporate 4-merous flowers 5-merous Africa anthers apical Apocynaceae apomorphic Asteridae Aubl basal bilocular Calycine colleters calyx calyx lobes calyx tube Canscora Canscorinae cauline leaves Centaurium Chironieae Chironieae Chironiinae Cicendia clade classification corolla tube Cotylanthera Coutoubea Coutoubeinae Curtia cymes dehiscence Deianira distribution endemic Eustoma Exaceae Exacum Exacum spp exine exine pattern Fagraea filaments genera gentian Gentianaceae Gentianales Gentianeae Swertiinae Gentianothamnus genus Gilg Griseb Grisebach Helieae Hockinia Hoppea included inflorescences intron Ixanthus Klackenberg lanceolate Loganiaceae Macrocarpaea Madagascar Maguire & Pires molecular monophyletic morphological Nilsson Number of genera Number of species oc oc oo oo Ornichia Orphium ovary perforate phylogenetic pollen grains pollen is released Potaliinae rarely released as monads Rosette leaves Sabatia Saccifolieae sagittate anthers salver-shaped Schinziella Schultesia Sebaea species of Exacum stamens stamens are inserted stigmatic lobes striato-reticulate Struwe subtribe synapomorphy Tachiadenus Tapeinostemon taxa testa cells tetrads Thiv tribe Exaceae trnL intron unpubl V. A. Albert Voyria Voyriella Xestaea