Tradescantia pallida |
Tradescantia humilis |
|
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purple queen |
Texas spiderwort |
|
Habit | Herbs, perennial, succulent. | Herbs, erect or ascending, rarely rooting at nodes. |
Roots | tuberous in part, not brownish-tomentose. |
|
Stems | suffused with purplish violet. |
spreading, diffusely branched, particularly at base, 0.5–20(–45) cm, densely pubescent to glabrescent. |
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. |
somewhat recurved or falcate; blade deep green, or paler and somewhat glaucous, linear-lanceolate, 11–20 × 1–2 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), margins usually tinged with purple, crisped, puberulent to glabrescent. |
Inflorescences | terminal, often becoming leaf-opposed, pedunculate; peduncles (3.5–)4–13 cm; bracts similar to leaves but usually greatly reduced. |
terminal, solitary, or more frequently also axillary and pedunculate from distal nodes; bracts foliaceous, similar to leaves in form, puberulent to glabrescent. |
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. |
distinctly pedicillate; pedicels 1.5–2.5 cm, puberulent or pilose with mixed glandular, eglandular hairs; sepals dull green or occasionally edged or suffused with purple, 9–11 mm, pubescent with mixed glandular, eglandular hairs; petals distinct, bright blue or occasionally pink, broadly ovate, not clawed, 11–19 mm; stamens free; filaments bearded. |
Capsules | 3.5 mm, glabrous. |
6–7 mm. |
Seeds | 2.5–3 mm. |
2–3 mm; hilum as long as seed. |
2n | = 24 (Mexico). |
= 12. |
Tradescantia pallida |
Tradescantia humilis |
|
Phenology | Flowering summer–fall. | Flowering spring (Mar–Jun). |
Habitat | Landfill and old home sites | Sandy and rocky soil, formerly also in rich black soil at the edge of the coastal plain, now more commonly in disturbed sites, such as roadsides, fencerows, and railroad rights-of-way |
Distribution |
FL; LA; Mexico; native [Introduced in North America]
|
TX |
Source | FNA vol. 22. | FNA vol. 22. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Setcreasea pallida, Setcreasea purpurea | |
Name authority | (Rose) D. R. Hunt: Kew Bull. 30: 452. (1975) | Rose: Contributions from the U. S. National Herbarium 5: 204. (1899) |
Web links |