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FNA | Family List | FNA Vol. 22 | Commelinaceae | Callisia

7. Callisia cordifolia (Swartz) E. S. Anderson & Woodson, Contr. Arnold Arbor. 9: 117. 1935.

Tradescantia cordifolia Swartz, Prodr., 57. 1788; Leiandra cordifolia (Swartz) Rafinesque; Phyodina cordifolia (Swartz) Rohweder; Tradescantella floridana (S. Watson) Small; Tradescantia floridana S. Watson

Herbs, perennial, mat-forming. Leaves 2-ranked, gradually reduced toward end of flowering shoot; blade lanceolate or lanceolate-elliptic to ovate, 1--3 ´ 0.5--1.4 cm (distal leaf blades much narrower than sheaths when sheaths opened, flattened), margins scabrous, glabrous. Inflorescences terminal and axillary from distal leaves, pedunculate, composed of pairs of sessile cymes; bracts linear to linear-lanceolate, 2--6 mm. Flowers odorless, 4--5 mm wide, pedicillate; sepals distinct, maroon, 2--3 mm; petals white, ovate, 2.5 mm; stamens 6, nearly equal or antipetalous stamens slightly longer than antsepalous; filaments glabrous; ovary 3-locular. Capsules 3-locular. Seeds 0.6--0.7 mm. 2n = 14 (as floridana).

Flowering spring--fall. Moist, usually shady places with calcareous soil, e.g., hummocks, fern grottoes, shell middens; Fla., Ga.; Mexico; West Indies; n South America.

The single Georgia record, a specimen labeled Rome, Floyd County (Babcock s.n., MO), is considered credible by Dr. Nancy Coile.


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