Frost cracks on the bole of a Blue Passion Flower vine (Passiflora caerulea), in Winter.
Frost cracks on the bole of a Blue Passion Flower vine (Passiflora caerulea), in Winter. There, following a temperature warming in the daytime, that plant has deacclimatized of its complete winter dormancy. Then, when the temperature drops again rapidly, the vine tissue cannot reacclimatize quickly enough, its sap expands when freezing, causing cell damage and wood and bark cracks. / Gélivures sur un tronc de Passiflore bleue (Passiflora caerulea) en hiver. Ici, suite à un réchauffement de la température en journée, la sève a commencé à circuler dans la plante, puis un épisode de gel marqué durant la nuit a produit l'expansion de la sève et a fait éclater l’écorce du tronc.
Size: 3747px × 5620px
Location: France
Photo credit: © Emmanuel LATTES / Alamy / Afripics
License: Licensed
Model Released: No
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