▪ Abstract Many unusual features of scale insects (Hemiptera: Coccoidea) can be explained
as historical legacy. Developmental specializations in ancestral coccoids resulted in a …

Flowers consist primarily of four basic organ types whose relative positions are universally
conserved within the angiosperms. A model has been proposed to explain how a small …

This new text provides an integrated view of the forces that influence the patterns and rates
of vertebrate evolution from the level of living populations and species to those that resulted …

Summary Hershkovitz, MA & Zimmer, EA: On the evolutionary origins of the cacti.–Taxon 46:
217‐232. 1997.–ISSN 0040‐0262. Understanding evolutionary responses of plants to …

Carpel and ovule structure was comparatively studied in representatives of all eight families
of the Laurales: Amborellaceae, Calycanthaceae, Chloranthaceae, Gomortegaceae …

The evolutionary origin of flowering plants has long been contentious. The large
morphological gap between flowering plants and their potential gymnosperm relatives …

Observations and experiments were carried out over 5 yr to distinguish between wind and
insect pollination in the cycad Encephalartos villosus Lemaire (Zamiaceae). They were also …

Carpel and ovule structure was compared in representatives of all 11 families of the
Magnoliales (Annonaceae, Canellaceae, Degeneriaceae, Eupomatiaccae …

We analyzed sequence data from 925 base pairs within the mitochondrial 16S ribosomal
DNA from 34 tephritid species and two outgroup taxa. DNA sequences were amplified by the …

The sunflower alliance of families comprises nearly 10% of all flowering plant species and
includes the largest of all plant families, the sunflower family Asteraceae, which has 23,000 …