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Background: Panicoideae are the second largest subfamily in Poaceae (grass family), with 212 genera and approximately 3316 species. Previous studies have begun to reveal relationships within the subfamily, but largely la...

Feeding in insect parasitoids can have significant implications from behavioral and evolutionary ecology standpoints. Females of many species not only search for hosts to lay their eggs on, but also may use them as a foo...

Ultrastructural studies on the female gametophyte are restricted to species at relatively derived positionsin the angiosperm phylogenetic tree. Therefore, this topic remains mostly unknown for the early-divergent lineage...