Tradescantia pallida |
Tradescantia brevifolia |
|
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purple queen |
trans-Pecos spiderwort |
|
Habit | Herbs, perennial, succulent. | Herbs, prostrate, coarsely rhizomatous. |
Stems | suffused with purplish violet. |
unbranched or sparsely branched, to 30 cm. |
Leaves | spirally arranged; blade not variegated, suffused with purplish violet, lanceolate-oblong to oblong-elliptic, (4–)7–15 × 1.5–3 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base symmetric, rounded to broadly cuneate, margins ciliate or ciliolate, apex acute, glabrous or glabrescent. |
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, often becoming leaf-opposed, pedunculate; peduncles (3.5–)4–13 cm; bracts similar to leaves but usually greatly reduced. |
terminal; bracts similar to leaves. |
Flowers | subsessile; pedicels 4–9 mm, densely white-pilose at summit; sepals distinct, 7–10 mm, pilose basally; petals ± connate at base, pink, clawed, 1.5–2 cm; stamens epipetalous; filaments very sparsely 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 | 3.5 mm, glabrous. |
obovoid to subglobose, 4 mm diam., glabrous. |
Seeds | 2.5–3 mm. |
|
2n | = 24 (Mexico). |
= 18 (Mexico). |
Tradescantia pallida |
Tradescantia brevifolia |
|
Phenology | Flowering summer–fall. | Flowering summer–fall (Jun–Oct). |
Habitat | Landfill and old home sites | Rocks or crevices, grassy slopes, or sheltered cliffs on north-facing slopes |
Distribution |
FL; LA; Mexico; native [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.) |
|
Source | FNA vol. 22. | FNA vol. 22. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Setcreasea pallida, Setcreasea purpurea | T. leiandra var. brevifolia, Setcreasea brevifolia |
Name authority | (Rose) D. R. Hunt: Kew Bull. 30: 452. (1975) | (Torrey) Rose: Contributions from the U. S. National Herbarium 3: 323. (1895) |
Web links |