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Morphological traits of investigated plants.
| Common Oregano O. vulgare ssp. vulgare |
Greek Oregano O. vulgare ssp. hirtum |
|
|---|---|---|
| Plant habit | erect | semi-erect |
| Color of petals | pink | white |
| Branching density | sparse | sparse |
| Stem pubescence | slightly hairy | hairy |
| Color of stem | dark green and red | green |
| Degree of lignification | ligneous | slightly ligneous |
| Foliage density | medium | dense |
| Shape of leaf blade | ovate | rhomboid |
| Leaf margin | denticulate | denticulate |
| Shape of leaf apex | acute | rounded |
