权威例句
Revision of Houstonia (Rubiaceae-Hedyotideae)Relationships of Hedyotis fruticosa L. to Houstonia L. and Oldenlandia LTAXONOMIC REVIEW OF HOUSTONIA ACEROSA AND H. PALMERI, WITH NOTES ON HEDYOTIS AND OLDENLANDIA (RUBIACEAE)Factors determining fruit set in heterostylous bluets, Houstonia caerulea (Rubiaceae).Speciation and hybridization among Houstonia (Rubiaceae) species: the influence of polyploidy on reticulate evolutionMolecular phylogenetics of Houstonia (Rubiaceae): descending aneuploidy and breeding system evolution in the radiation of the lineag...Overview and annotated list of North American species of Hedyotis, Houstonia, Oldenlandia (Rubiaceae), and related genera.Ecogeographic isolation: a reproductive barrier between species and between cytotypes in Houstonia (Rubiaceae)PHYLOGENETIC IMPLICATIONS OF DIVERSE SEED TYPES, CHROMOSOME NUMBERS, AND POLLEN MORPHOLOGY IN HOUSTONIA (RUBIACEAE)Overview and annotated list of North American species of Hedyotis, Houstonia, Oldenlandia (Rubiaceae), a...
