''Tinantia anomala'', common name false dayflower or widow's-tears, is a plant species in the

Commelinaceae Commelinaceae is a family of flowering plants. In less formal contexts, the group is referred to as the dayflower family or spiderwort family. It is one of five families in the order Commelinales and by far the largest of these with about 731 kn ...

, related to the Mexican wandering Jew, '' Tinantia pringlei''. It is known only from

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

except for a single specimen from the Mexican state of

Durango Durango, officially the Free and Sovereign State of Durango, is one of the 31 states which make up the Political divisions of Mexico, 32 Federal Entities of Mexico, situated in the northwest portion of the country. With a population of 1,832,650 ...

. It is found on rocky slopes, ravines, the edges of woodlands etc. ''Tinantia anomala'' is an annual herb up to 80 cm (32 inches) tall. Basal leaves have petioles but the stem leaves do not. Flowers are bicolored, white with some blue or lavender.Woodson, Robert Everard. Annals of the Missouri Botanical Garden 29: 149. 1942.
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References

{{Taxonbar, from=Q15564737 Commelinaceae Flora of Texas Flora of Durango Plants described in 1858