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- W4252881223 abstract "The inflorescence development of three species of Piper (P. aduncum, P. amalago, and P. marginatum), representing Sections Artanthe and Ottonia, was studied. The spicate inflorescences contain hundreds or even thousands of flowers, depending on the species. Each flower has a tricarpellate syncarpous gynoecium and 4 to 6 free stamens, in the species studied. No sepals or petals are present. In P. marginatum the apical meristem of the inflorescence is zonate in configuration and is unusually elongate: up to 1,170 μm high and up to 480 μm wide during the most active period of organogenesis. Toward the time of apical cessation both height and diameter gradually diminish, leaving an apical residuum which may become an attenuate spine or may be cut off by an abscission zone just below the meristem. The active apex produces bract primordia; when each is 40–55 μm high, a floral apex is initiated in its axil. Both bract and floral apex are initiated by periclinal divisions in cells of the subsurface layer. The bracts undergo differentiation rather early, while the floral apices are still developing. The last-produced bracts near the tip of the inflorescence tend to be sterile." @default.
- W4252881223 created "2022-05-12" @default.
- W4252881223 creator A5071443482 @default.
- W4252881223 date "1982-05-01" @default.
- W4252881223 modified "2023-10-05" @default.
- W4252881223 title "Inflorescence and Flower Development in the Piperaceae. II. Inflorescence Development of Piper" @default.
- W4252881223 doi "https://doi.org/10.2307/2442964" @default.
- W4252881223 hasPublicationYear "1982" @default.
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