Floral heterochrony promotes flexibility of reproductive strategies in the morphologically homogeneous genus Eugenia (Myrtaceae) | Zendy

Thaís Vasconcelos | Zendy; Eve Lucas | Zendy; Jair Eustáquio Quintino Faria | Zendy; Gerhard Prenner | Zendy

Open Access

Floral heterochrony promotes flexibility of reproductive strategies in the morphologically homogeneous genus Eugenia (Myrtaceae)

Author(s) -

Thaís Vasconcelos,

Eve Lucas,

Jair Eustáquio Quintino Faria,

Gerhard Prenner

Publication year - 2017

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcx142

Subject(s) - heterochrony , biology , myrtaceae , evolutionary biology , perianth , gynoecium , botany , phylogenetics , phylogenetic tree , plant evolution , ontogeny , stamen , pollen , biochemistry , genetics , genome , gene

Comparative floral ontogeny represents a valuable tool to understand angiosperm evolution. Such an approach may elucidate subtle changes in development that discretely modify floral architecture and underlie reproductive lability in groups with superficial homogeneous morphology. This study presents a comparative survey of floral development in Eugenia (Myrtaceae), one of the largest genera of angiosperms, and shows how previously undocumented ontogenetic trends help to explain the evolution of its megadiversity in contrast to its apparent flower uniformity.

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