Tradescantia pallida |
Tradescantia tharpii |
|
---|---|---|
purple queen |
Tharp's spiderwort |
|
Habit | Herbs, perennial, succulent. | Herbs, erect or ascending, rarely rooting at nodes. |
Stems | suffused with purplish violet. |
absent or 2–7 cm in flower, to 20 cm in fruit, shaggy pilose to villous. |
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. |
blade green, linear-lanceolate, 4–30 × 0.9–2.5 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), margins frequently clear or edged with rose, laxly and irregularly pilose or villous. |
Inflorescences | terminal, often becoming leaf-opposed, pedunculate; peduncles (3.5–)4–13 cm; bracts similar to leaves but usually greatly reduced. |
terminal, solitary; bracts foliaceous, well developed, not saccate, sparsely to densely pilose. |
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 4–6 cm, laxly pilose; sepals usually purple or rose-colored (rarely pale green), not inflated, 1.2–1.6 cm, uniformly eglandular-pilose; petals distinct, deep rose or purple, or frequently blue, broadly ovate, not clawed, 1.8–2.2 cm; stamens free; filaments bearded. |
Capsules | 3.5 mm, glabrous. |
5–7 mm. |
Seeds | 2.5–3 mm. |
2–3 mm. |
2n | = 24 (Mexico). |
= 24. |
Tradescantia pallida |
Tradescantia tharpii |
|
Phenology | Flowering summer–fall. | Flowering spring. |
Habitat | Landfill and old home sites | Clay soils of rocky prairies and open woodlands |
Distribution |
FL; LA; Mexico; native [Introduced in North America]
|
KS; MO; OK; 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) | E. S. Anderson & Woodson: Contr. Arnold Arbor. 9: 70; plate 4, fig. 9; plate 9; map 7. (1935) |
Web links |