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Sabulina fontinalis, commonly called American water starwort or Kentucky starwort, is a flowering plant in the family Caryophyllaceae. It is a very rare species, endemic to the Nashville Basin of Tennessee, the Kentucky River Pallisades of Kentucky, and in northern Alabama. It is found in wet limestone areas, often on cliffs or ledges where water seeps over the rocks.
Sabulina fontinalis is a winter annual forming dense colonies, which produce very small green flowers in the spring. It has been taxonomically difficult to place, sometimes being included in the genera Stellaria, Sagina, Minuartia, or Arenaria among others. The most recent phylogenetic analysis suggests that it is best placed in the genus Sabulina.
Sabulina californica · Sabulina cismontana · Sabulina decumbens · Sabulina howellii · Sabulina rosei · Sabulina stricta · Sabulina verna · Douglas's Stitchwort · Northern Sandwort · Nuttall's Stitchwort · Annual sandwort · Beautiful Sandwort
Text excerpted from the Wikipedia article Sabulina fontinalis by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
