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Endobeuthos paleosum in 99-million-year-old amber does not belong to the Proteaceae
Journal article   Open access   Peer reviewed

Endobeuthos paleosum in 99-million-year-old amber does not belong to the Proteaceae

Byron B. Lamont and Philip G. Ladd
Journal of the Botanical Research Institute of Texas, Vol.18(1), pp.143-147
2024
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Published (Version of Record)CC BY-NC-ND V4.0 Open Access

Abstract

Species in the family Proteaceae are almost invariably tetramerous with the stamen adnate to a tepal. Andromonoecious inflorescences bearing many male flowers composed of a single (spathuloid) stamen and a female flower with a pubescent stigma, as in Endobeuthos paleosum, are unknown. We suggest that the specimen is a bisexual flower with scores of stamens surrounding a single stigma-style. Further, the specimen is too old to fit with current understanding of the migratory history of the Proteaceae.

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