Shortlived stems

12. Caltha palustris

(below-ground epigeotropic stems)

13. Aspe rula odorata

(below-ground hypogeotropic stems)

IS. Lycopus europaeus (tubers on distal part of below-ground plagiotropic stem)

14- Calystegia sepium

(tubers on distal part of above-ground pi agio tropic stems)

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