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Floral development of urticalean rosids

Abstract

This proposal aims to compare the morphology of the developing flower in the clade of urticalean rosids, which comprises Ulmaceae, Cannabaceae, Urticaceae and Moraceae. This group share characteristics mostly from the flower, considered to be reduced in relation to other angiosperms: small, inconspicuous, diclinous (= unisexual), with missing perianth or one-whorled perianth, one-whorled androecium with number of stamens equal to or less than the perianth organs, bicarpelar gynoecium, pseudomonomerous, or sometimes transformed into pistiloid in staminate flower or aborted in pistillate flower, only one functional ovule which is attached to the ovary by different manners, and several stigma forms. Data from floral development will elucidate some interesting and yet puzzling questions for the group: (1) Is there an ontogenetic pattern that results in the reduced flower? (2) What are the pathways (absence from the beginning or abortion) that promote the diclinous (= unisexual), with missing or one-whorled perianth flower? Are these pathways similar in species with different sexual expressions (monoecy, ginodioecy, dioecy, androdioecy, polygamy)? (3) Variations in the merism of the perianth, the androecium and the gynoecium result of primordium absence, subdivision or abortion? (4) The perianth formed by single whorl is composed of sepals or petals? (5) The ascidiate carpel, previously reported in some genera of Moraceae, but considered the basal condition in angiosperms, can be confirmed in the studied species? Seventeen species of 17 genera of four families will be studied. Flower buds of various sizes and flowers will be collected from at least two individuals per species and processed for surface (scanning electron microscopy) and histological (light microscopy) analyses. The main products expected for this proposal are to train researchers devoted to developmental studies and elucidation of important morphological issues in reproduction of plants, as well as to fill gaps in the knowledge of plant development biology, a little explored area in Brazil. (AU)

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Scientific publications (15)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LEME, FLAVIA M.; STAEDLER, YANNICK M.; SCHONENBERGER, JURG; TEIXEIRA, SIMONE P. Floral morphogenesis of Celtis species: implications for breeding system and reduced floral structure. AMERICAN JOURNAL OF BOTANY, v. 108, n. 9 SEP 2021. Web of Science Citations: 0.
LEITE, VIVIANE GONCALVES; KJELLBERG, FINN; SANTINELO PEREIRA, RODRIGO AUGUSTO; TEIXEIRA, SIMONE PADUA. What makes a fig: insights from a comparative analysis of inflorescence morphogenesis in Moraceae. ANNALS OF BOTANY, v. 127, n. 5, p. 621-631, APR 9 2021. Web of Science Citations: 0.
TEIXEIRA, SIMONE P.; COSTA, MARINA F. B.; BASSO-ALVES, JOAO PAULO; KJELLBERG, FINN; PEREIRA, RODRIGO A. S. The synstigma turns the fig into a large flower. Botanical Journal of the Linnean Society, v. 195, n. 1, p. 93-105, JAN 2021. Web of Science Citations: 0.
PEDERSOLI, GISELI D.; GAGLIOTI, ANDRE L.; TEIXEIRA, SIMONE P. Floral development elucidates the formation of a tubular calyx and connate stamens in Cecropieae species (Urticaceae). PLANT SYSTEMATICS AND EVOLUTION, v. 306, n. 4 JUL 18 2020. Web of Science Citations: 2.
LEME, FLAVIA M.; SCHONENBERGER, JURG; STAEDLER, YANNICK M.; TEIXEIRA, SIMONE P. Comparative floral development reveals novel aspects of structure and diversity of flowers in Cannabaceae. Botanical Journal of the Linnean Society, v. 193, n. 1, p. 64-83, MAY 2020. Web of Science Citations: 4.
LEME, FLAVIA MARIA; BORELLA, PEDRO HENRIQUE; MARINHO, CRISTINA RIBEIRO; TEIXEIRA, SIMONE PADUA. Expanding the laticifer knowledge in Cannabaceae: distribution, morphology, origin, and latex composition. PROTOPLASMA, v. 257, n. 4 MAR 2020. Web of Science Citations: 0.
LEITE, VIVIANE GONCALVES; BASSO-ALVES, JOAO PAULO; SILVEIRA GUALBERTO, ALINE REJANE; TEIXEIRA, SIMONE PADUA. A Comparative Ontogenetic Approach to Understanding the Pseudomonomerous Gynoecium in Moraceae. INTERNATIONAL JOURNAL OF PLANT SCIENCES, v. 181, n. 2, SI, p. 241-255, FEB 1 2020. Web of Science Citations: 0.
MARINHO, CRISTINA RIBEIRO; TEIXEIRA, SIMONE PADUA. Cellulases and pectinases act together on the development of articulated laticifers in Ficus montana and Maclura tinctoria (Moraceae). PROTOPLASMA, v. 256, n. 4, p. 1093-1107, JUL 2019. Web of Science Citations: 0.
PEDERSOLI, GISELI D.; LEME, FLAVIA M.; LEITE, VIVIANE G.; TEIXEIRA, SIMONE P. Anatomy solves the puzzle of explosive pollen release in wind-pollinated urticalean rosids. AMERICAN JOURNAL OF BOTANY, v. 106, n. 3, p. 489-506, MAR 2019. Web of Science Citations: 0.
MARINHO, CRISTINA R.; TEIXEIRA, SIMONE P. Novel reports of laticifers in Moraceae and Urticaceae: revisiting synapomorphies. PLANT SYSTEMATICS AND EVOLUTION, v. 305, n. 1, p. 13-31, JAN 2019. Web of Science Citations: 2.
LEME, FLAVIA M.; STAEDLER, YANNICK M.; SCHONENBERGER, JURG; TEIXEIRA, SIMONE P. Ontogeny and Vascularization Elucidate the Atypical Floral Structure of Ampelocera glabra, a Tropical Species of Ulmaceae. INTERNATIONAL JOURNAL OF PLANT SCIENCES, v. 179, n. 6, p. 461-476, JUL-AUG 2018. Web of Science Citations: 2.
MARINHO, CRISTINA RIBEIRO; SANTINELO PEREIRA, RODRIGO AUGUSTO; PENG, YAN-QIONG; TEIXEIRA, SIMONE PADUA. Laticifer distribution in fig inflorescence and its potential role in the fig-fig wasp mutualism. ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY, v. 90, n. SI, p. 160-167, JUL 2018. Web of Science Citations: 5.
TEIXEIRA, SIMONE PADUA; COSTA, MARINA F. B.; BASSO-ALVES, JOAO PAULO; KJELLBERG, FINN; PEREIRA, RODRIGO A. S. Morphological diversity and function of the stigma in Ficus species (Moraceae). ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY, v. 90, n. SI, p. 117-131, JUL 2018. Web of Science Citations: 1.
LEITE, VIVIANE GONCALVES; MANSANO, VIDAL FREITAS; TEIXEIRA, SIMONE PADUA. Floral development of Moraceae species with emphasis on the perianth and androecium. FLORA, v. 240, p. 116-132, MAR 2018. Web of Science Citations: 3.
SOUZA, CAMILA D.; PEREIRA, RODRIGO A. S.; MARINHO, CRISTINA R.; KJELLBERG, FINN; TEIXEIRA, SIMONE P. Diversity of fig glands is associated with nursery mutualism in fig trees. AMERICAN JOURNAL OF BOTANY, v. 102, n. 10, p. 1564-1577, OCT 2015. Web of Science Citations: 8.

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