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Tinantia anomala [Commelinaceae]

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Scientific Name Tinantia anomala (Commelinantia anomala) USDA PLANTS Symbol TIAN
Common Name False Dayflower ITIS Taxonomic Serial No. 39155
Family Commelinaceae (Spiderwort) SEINet
Reference
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Description Habitat: Moist, gravelly limestone soils in shaded areas, ravines, streamsides, wooded areas.
Plant: Erect leafy annual, with clustered stems becoming much-branched and spreading; about 2 feet tall.
Leaves: Basal leaves 4 to 13 inches long, linear-spatulate with tapering base and long petioles; upper stem leaves broadly to narrowly lanceolate and sessile to clasping, 2 to 4 inches long; single uppermost leaf subtends the inflorescence.
Inflorescence: A scorpioid raceme of flowers, each up to 1-1/2 inches across, with two prominent large blue petals and one small white inconspicuous petal beneath the stamens; upper 3 stamens have fuzzy ball-like anthers with yellow and purple hairs, lower 3 stamens with white filaments and yellow anthers; stigma looks much like one of the stamens.
Bloom Period: April to July.
References: "Wildflowers of the Texas Hill Country" by Marshall Enquist and "Manual of the Vascular Plants of Texas" by Correll and Johnston.
Notes: None of the image below show more than one flower in the inflorescence, but buds are present below. The rare white variety was found at Mayfield Park in Austin.
BONAP Distribution Map

Texas Status:
Native
Endemic

© Tom Lebsack 2021