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Geological Substrate Effects on Teucrium montanum L. (Lamiaceae) Morphological Traits: Geometric Morphometrics
Nenad Zlatić1, Sanja Budečević2, Milan Stanković1
1Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Radoja Domanovića No. 12, 34000 Kragujevac, Serbia.
Plants (Basel, Switzerland)
|June 28, 2023
Summary
Plant shape adapts to environmental conditions. Mountain germander (Teucrium montanum) shows distinct corolla, leaf, and stem shapes based on calcareous versus metal-rich serpentinite soil, impacting survival.
Area of Science:
- Plant morphology and adaptation
- Ecology and evolutionary biology
- Botanical sciences
Background:
- Plant shape is influenced by environmental factors, crucial for survival and reproduction.
- Understanding plant adaptation to diverse geological substrates is key to ecological studies.
Purpose of the Study:
- To investigate size and shape variations in mountain germander (Teucrium montanum) traits.
- To compare morphological differences between populations on calcareous and serpentinite substrates.
Main Methods:
- Geometric morphometrics applied to corolla, leaf, and stem traits.
- Analysis of 400 individuals from 20 populations across two distinct geological substrates.
Main Results:
- Significant phenotypic variation in size and shape of corolla, leaf, and stem was observed.
- Populations from serpentinite substrate exhibited narrower corolla lips, narrower leaves, and wider vascular stems compared to calcareous populations.
Conclusions:
- Substrate type significantly influences the morphological variability of Teucrium montanum.
- Observed shape differences are adaptive responses to edaphic conditions, particularly metal-rich serpentinite soils.
- Plant shape is a critical factor in adaptation and success across different habitats.
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