Comparative Anatomy of Roots and Leaves in Epiphytic and Terrestrial Orchids: Insights into Adaptations and Ecological Strategies

Authors

  • Naiya Mawinei Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Tanjungpura (Untan), Kalimantan Barat, Indonesia
  • Qeva Paramitha Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Tanjungpura (Untan), Kalimantan Barat, Indonesia

Keywords:

Orchid anatomy, Comparative analysis, Epiphytic orchids, Terrestrial orchids, Adaptations

Abstract

Orchids are renowned for their exquisite beauty and remarkable diversity, with over 25,000 species distributed across a wide range of habitats worldwide. Understanding the anatomical adaptations of orchids to different environmental conditions is crucial for elucidating their ecological and evolutionary strategies. In this study, we conducted a comparative analysis of orchid anatomy, focusing on roots and leaves in epiphytic and terrestrial species. Through meticulous examination and comparison of anatomical features, we revealed distinctive morphological differences that reflect the adaptive responses of orchids to their respective habitats. Epiphytic orchids exhibited specialized root structures such as the velamen and succulent leaves, optimizing water absorption and photosynthesis in the canopy. In contrast, terrestrial orchids displayed extensive root systems and broad leaves, enhancing nutrient uptake and light capture in shaded environments. These findings provide valuable insights into the ecological dynamics and evolutionary history of orchids, highlighting their significance as model organisms for studying plant adaptation and biodiversity conservation. By leveraging insights from orchid research, we can develop targeted conservation strategies to protect these iconic plants and their ecosystems in the face of environmental change and human activities.

References

Benzing, David H. 1973. “Mineral Nutrition and Related Phenomena in Bromeliaceae and Orchidaceae.” The Quarterly Review of Biology 48(2): 277–90.

———. 1987. “Vascular Epiphytism: Taxonomic Participation and Adaptive Diversity.” Annals of the Missouri Botanical Garden: 183–204.

———. 2004. “Vascular Epiphytes.” Forest canopies 2: 175–211.

———. 2012. Air Plants: Epiphytes and Aerial Gardens. Cornell University Press.

Benzing, David H, and John T Atwood Jr. 1984. “Orchidaceae: Ancestral Habitats and Current Status in Forest Canopies.” Systematic Botany: 155–65.

Curtis, John T. 1939. “The Relation of Specificity of Orchid Mycorrhizal Fungi to the Problem of Symbiosis.” American Journal of Botany: 390–99.

Davidson, D W, and W W Epstein. 1989. “Epiphytic Associations with Ants.” In Vascular Plants as Epiphytes: Evolution and Ecophysiology, Springer, 200–233.

Funk, Jennifer L et al. 2017. “Revisiting the H Oly G Rail: Using Plant Functional Traits to Understand Ecological Processes.” Biological Reviews 92(2): 1156–73.

Hallé, Francis, Roelof A A Oldeman, and Philip Barry Tomlinson. 2012. Tropical Trees and Forests: An Architectural Analysis. Springer Science & Business Media.

Hartshorn, Gary S, and Barry E Hammel. 1994. “Vegetation Types and Floristic Patterns.” La Selva: ecology and natural history of a neotropical rain forest: 73–89.

Hollick, Penelope S, Robyn J Taylor, Jen A McComb, and Kingsley W Dixon. 2005. “If Orchid Mycorrhizal Fungi Are so Specific, How Do Natural Hybrids Cope?” Selbyana: 159–70.

Jeffries, Peter et al. 2003. “The Contribution of Arbuscular Mycorrhizal Fungi in Sustainable Maintenance of Plant Health and Soil Fertility.” Biology and fertility of soils 37: 1–16.

Mehra, Shalika. 2020. “Fungal Endophytes: Australian Terrestrial Orchids.” In Agroecosystems–Very Complex Environmental Systems, IntechOpen, 1.

Meisel, Joe E, Ronald S Kaufmann, and Franco Pupulin. 2015. Orchids of Tropical America: An Introduction and Guide. Cornell University Press.

Niinemets, Ü, and F Valladares. 2004. “Photosynthetic Acclimation to Simultaneous and Interacting Environmental Stresses along Natural Light Gradients: Optimality and Constraints.” Plant Biology 6(03): 254–68.

Nilsson, L O, Reinhard F Hüttl, U T Johansson, and H Jochheim. 1995. “Nutrient Uptake and Cycling in Forest Ecosystems—Present Status and Future Research Directions.” In Nutrient Uptake and Cycling in Forest Ecosystems: Proceedings of the CEC/IUFRO Symposium Nutrient Uptake and Cycling in Forest Ecosystems Halmstad, Sweden, June, 7–10, 1993, Springer, 5–13.

Ramesh, G, J Ramudu, S M Khasim, and K Thammasiri. 2020. “Structural Adaptations of Bulbophyllum and Dendrobium (Orchidaceae) to the Epiphytic Habitat and Their Phylogenetic Implications.” Orchid Biology: Recent Trends & Challenges: 303–42.

RINDYASTUTI, RIDESTI et al. 2018. “Leaf Anatomical Characters of Four Epiphytic Orchids of Sempu Island, East Java, Indonesia: The Importance in Identification and Ecological Adaptation.” Biodiversitas Journal of Biological Diversity 19(5): 1906–18.

Sailo, N, Deepak Rai, and L C De. 2014. “Physiology of Temperate and Tropical Orchids-an Overview.” Int. J. Sci. Res 3: 3–8.

Stewart, Joyce, and Esme Hennessy. 2016. Orchids of Africa: A Select Review. Springer.

Sugimoto, Keiko, Richard E Williamson, and Geoffrey O Wasteneys. 2000. “New Techniques Enable Comparative Analysis of Microtubule Orientation, Wall Texture, and Growth Rate in Intact Roots of Arabidopsis.” Plant physiology 124(4): 1493–1506.

Swarts, Nigel D, and Kingsley W Dixon. 2009. “Terrestrial Orchid Conservation in the Age of Extinction.” Annals of botany 104(3): 543–56.

Taylor, Amanda. 2016. “Vascular Epiphyte Assemblage Structure and Distribution Patterns in the South-Temperate Zone.”

Thangavelu, Muthukumar, and Shenbagam Muthu. 2017. “Vegetative Anatomical Adaptations of Epidendrum Radicans (Epidendroideae, Orchidaceae) to Epiphytic Conditions of Growth.” Modern Phytomorphology 11: 117–30.

Théry, Marc. 2001. “Forest Light and Its Influence on Habitat Selection.” In Tropical Forest Canopies: Ecology and Management: Proceedings of ESF Conference, Oxford University, 12–16 December 1998, Springer, 251–61.

Whigham, Dennis F, Melissa K McCormick, and John P O’Neill. 2008. “Specialized Seedling Strategies II: Orchids, Bromeliads, Carnivorous Plants, and Parasites.” Seedling ecology and evolution, Cambridge University Press, Cambridge: 79–100.

Zhang, Shi-Bao et al. 2015. “Differentiation of Water-Related Traits in Terrestrial and Epiphytic Cymbidium Species.” Frontiers in Plant Science 6: 127693.

Zhang, Shibao et al. 2018. “Physiological Diversity of Orchids.” Plant diversity 40(4): 196–208.

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Published

2024-06-12

How to Cite

Mawinei, N., & Paramitha, Q. (2024). Comparative Anatomy of Roots and Leaves in Epiphytic and Terrestrial Orchids: Insights into Adaptations and Ecological Strategies. Law and Economics, 18(2), 73–85. Retrieved from http://journals.ristek.or.id/index.php/LE/article/view/88