Tradescantia zebrina |
Tradescantia brevifolia |
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inchplant, wandering-jew |
trans-Pecos spiderwort |
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Habit | Herbs, decumbent. | Herbs, prostrate, coarsely rhizomatous. |
Stems | unbranched or sparsely branched, to 30 cm. |
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Leaves | 2-ranked; blade variegated, abaxially reddish purple, adaxially striped green and white, lanceolate-elliptic to ovate-elliptic, 3–9 × 1.5–3 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base oblique, cuneate, apex acute to acuminate. |
spirally arranged; blade green, not variegated, broadly ovate to elliptic or lanceolate-elliptic, to 8 × 3 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), succulent, base symmetric, rounded to broadly cuneate, ± glaucous. |
Inflorescences | terminal, consisting of pairs of sessile cymes enclosed in sheaths of spathaceous bracts, pedunculate; spathaceous bracts foliaceous, reduced. |
terminal; bracts similar to leaves. |
Flowers | subsessile; sepals basally connate, 4–5 mm; petals pink, clawed, claws basally connate forming tube; stamens epipetalous; filaments bearded. |
subsessile; pedicels densely pilose; sepals distinct, glabrous; petals distinct, deep pink to reddish purple, obovate, clawed, claws basally connate forming tube; stamens epipetalous; filaments glabrous; ovary glabrous. |
Capsules | 3-locular; locules 2-seeded. |
obovoid to subglobose, 4 mm diam., glabrous. |
2n | = 18 (Mexico). |
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Tradescantia zebrina |
Tradescantia brevifolia |
|
Phenology | Flowering fall–winter (Sep–Feb). | Flowering summer–fall (Jun–Oct). |
Habitat | Hummocks and weedy places | Rocks or crevices, grassy slopes, or sheltered cliffs on north-facing slopes |
Distribution |
FL; native; tropical America [Introduced in North America] |
TX; Mexico (Coahuila, Nuevo Leon) |
Discussion | Setcreasea, in which Tradescantia brevifolia, T. buckleyi, T. pallida, and T. leiandra were formerly placed, is synonymous with Tradescantia (D. R. Hunt 1975). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 22. | FNA vol. 22. |
Parent taxa | Commelinaceae > Tradescantia | Commelinaceae > Tradescantia |
Sibling taxa | ||
Synonyms | Zebrina pendula | T. leiandra var. brevifolia, Setcreasea brevifolia |
Name authority | Hort ex Bosse: Vollstandiges Handb. Blumengart. 4: 655. (1849) | (Torrey) Rose: Contributions from the U. S. National Herbarium 3: 323. (1895) |
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