Fig 1.
Geographic locations of collection sites of the studied Calotropis procera accessions.
The map was generated by the first author, Ali Khadivi, using ArcGIS software v10.1 and is original; no third-party copyrighted or proprietary material was used, and no permission is required. (ArcGIS: http://www.arcgis.com/home/item.html?id=30e5fe3149c34df1ba922e6f5bbf808f).
Table 1.
Descriptive statistics for the morphological traits utilized in the studied Calotropis procera accessions.
Table 2.
Frequency distribution for the measured qualitative morphological characters in the studied Calotropis procera accessions.
Fig 2.
The shrub and stem of the studied Calotropis procera accessions.
These images were taken by the second author, Farhad Mirheidari.
Fig 3.
The flower of the studied Calotropis procera accessions.
These images were taken by the second author, Farhad Mirheidari.
Fig 4.
The leaf of the studied Calotropis procera accessions.
These images were taken by the second author, Farhad Mirheidari.
Fig 5.
The fruit and seed of the studied Calotropis procera accessions.
These images were taken by the second author, Farhad Mirheidari.
Fig 6.
Simple correlations between the quantitative morphological variables utilized in the studied Calotropis procera accessions.
For abbreviations, please see Table 1.
Table 3.
The characteristics associated with fruit and seed weight in the studied Calotropis procera accessions, as revealed using MRA and coefficients.
Table 4.
Eigenvalues of the principal component axes from the PCA of morphological characters in the studied Calotropis procera accessions.
Fig 7.
Biplot for the studied Calotropis procera accessions and quantitative variables based on PC1/PC2 of morphological traits.
For abbreviations, please see Table 1. [Accessions, – Quantitative variables, O = 95% Confidence ellipse].
Table 5.
Eigenvalues derived from the correlation matrix associated with the population analysis of Calotropis procera accessions.
Fig 8.
Population analysis showing the score plot of the studied Calotropis procera accessions grouped according to their regions of collection based on PC1 and PC2.
Fig 9.
Visualization of clustering patterns of Calotropis procera accessions and variables based on morphological characterizations using a heat map.
For abbreviations, please see Table 1.