Colleters, Extrafloral Nectaries, and Resin Glands Protect Buds and Young Leaves of Ouratea castaneifolia (DC.) Engl. (Ochnaceae)
Abstract
:1. Introduction
2. Results
2.1. Bud Dynamics and Structural Aspects
2.2. Resin Glands
2.3. Colleters
2.4. Extrafloral Nectaries
2.5. Histochemistry and Sugar Analysis
3. Discussion
3.1. Anatomy
3.2. Ultrastructure and Secretion Mechanism
3.3. Functional Aspects
4. Materials and Methods
4.1. Plant Material
4.2. Light Microscopy
4.3. Electron Microscopy
4.4. Histochemistry
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Test | Target Substance | Resin Gland | Colleter | Nectary | |||
---|---|---|---|---|---|---|---|
Protoplast | Secretion | Protoplast | Secretion | Protoplast | Secretion | ||
NADI reagent | Terpenoids (essential oils) | + | + | − | − | − | − |
Ruthenium Red | Mucilage | − | − | + | + | − | − |
Sudan Red B | Lipids | − | − | + | + | − | − |
Xylidine Ponceau | Proteins | − | − | + | + | + | − |
Glucose strip-test | Sugars (glucose) | N/A | N/A | N/A | N/A | N/A | + |
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Paiva, E.A.S.; Couy-Melo, G.A.; Ballego-Campos, I. Colleters, Extrafloral Nectaries, and Resin Glands Protect Buds and Young Leaves of Ouratea castaneifolia (DC.) Engl. (Ochnaceae). Plants 2021, 10, 1680. https://doi.org/10.3390/plants10081680
Paiva EAS, Couy-Melo GA, Ballego-Campos I. Colleters, Extrafloral Nectaries, and Resin Glands Protect Buds and Young Leaves of Ouratea castaneifolia (DC.) Engl. (Ochnaceae). Plants. 2021; 10(8):1680. https://doi.org/10.3390/plants10081680
Chicago/Turabian StylePaiva, Elder A. S., Gabriel A. Couy-Melo, and Igor Ballego-Campos. 2021. "Colleters, Extrafloral Nectaries, and Resin Glands Protect Buds and Young Leaves of Ouratea castaneifolia (DC.) Engl. (Ochnaceae)" Plants 10, no. 8: 1680. https://doi.org/10.3390/plants10081680