ArticlePlanta2026
Functional and evolutionary significance of the unique lime-secreting hydathodes and amphistomatic leaves in Saxifraga (Saxifragaceae).
Article in Planta, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Diversity, Leaf Anatomy, and Conservation of Fabaceae in a Thai Limestone Area.Plants (Basel, Switzerland) · 2026Article
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3 authors.
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Abstract
MAIN
conclusionThe among angiosperms unique ability of many saxifrages to produce calcareous leaf incrustations through lime-secreting hydathodes is a complex anatomical and physiological syndrome that evolved only once in Saxifraga phylogeny The genus Saxifraga comprises about 480 species primarily found in the mountains of the Northern Hemisphere. About 24% of these species have lime-encrusted leaves caused by unique lime-secreting glands, which contain epithem hydathodes that are connected to the xylem. These glands release guttation fluid presumably containing dissolved calcium hydrogen carbonate. We examined their structure in 81 representative species and subspecies using light and scanning electron microscopy (SEM). Lime incrustations are confined to two of the fifteen Saxifraga sections, which typically inhabit calcareous or base-rich substrates. Thus, the lime secretion may contribute to regulating internal Ca
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