ArticleProtoplasma2019
Gynoecium with carpel dimorphism in Tricomaria usillo, comparison with other genera of the Carolus clade (Malpighiaceae).
Article in Protoplasma, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Morphology, anatomy and ultrastructure of petals in Alicia anisopetala and Callaeum psilophyllum (Malpighiaceae): implications for pollinator attraction.Protoplasma · 2026Article
- Are the floral morphology and anatomy of Galphimia australis, an atypical neotropical Malpighiaceae, associated to a new pollination syndrome?Protoplasma · 2023Article
- Article
- Structural diversity of elaiophores in Argentine species of Malpighiaceae: morphology, anatomy, and interaction with pollinators.Protoplasma · 2022Article
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Authors and funding
3 authors.
Funding
Abstract
We analyzed the gynoecium morphology and anatomy of Tricomaria usillo in young and mature flowers from diverse populations in order to analyze the differentiation of structure and function of the parts of the carpel. We also aimed to find the potential pollinators and associate the morphology of the gynoecium with its role. We compare the characteristics of the gynoecium of T. usillo and discuss the carpel dimorphism with other genera within the Carolus clade in relation with their pollination syndromes. Carpels were processed according to classic techniques for scanning electron microscopy and bright field microscopy. We conducted field observation in different populations of T. usillo and captured the insects that were identified to specific level. The gynoecium of T. usillo shows inter-population and intra-individual variability. Some have three well-developed carpels, while most of them present two posterior carpels with differentiated styles and stigmas and the anterior one with a shorter style with or without stigma. The ovary has three locules with one ovule each. A compitum is formed and all ovules may be fecundated. However, fruits have generally one seed that develops in the anterior locule. Centris brethesi is the potential pollinator. The gynoecium of T. usillo reflects part of the variation in the carpel dimorphism that probably arose in the branch of the Carolus clade, and evolved in diverse ways in the lineages of this group. Tricomaria usillo seems to represent a recent transition towards reaching a stable form of carpel dimorphism and definitive division of labors of the carpels.
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