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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
from FNA
FL; LA; Mexico; native [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
KS; MO; OK; TX
[WildflowerSearch map]
Source FNA vol. 22. FNA vol. 22.
Parent taxa Commelinaceae > Tradescantia Commelinaceae > Tradescantia
Sibling taxa
T. bracteata, T. brevifolia, T. buckleyi, T. crassifolia, T. crassula, T. edwardsiana, T. ernestiana, T. fluminensis, T. gigantea, T. hirsuticaulis, T. hirsutiflora, T. humilis, T. leiandra, T. longipes, T. occidentalis, T. ohiensis, T. ozarkana, T. paludosa, T. pedicellata, T. pinetorum, T. reverchonii, T. roseolens, T. spathacea, T. subacaulis, T. subaspera, T. tharpii, T. virginiana, T. wrightii, T. zebrina
T. bracteata, T. brevifolia, T. buckleyi, T. crassifolia, T. crassula, T. edwardsiana, T. ernestiana, T. fluminensis, T. gigantea, T. hirsuticaulis, T. hirsutiflora, T. humilis, T. leiandra, T. longipes, T. occidentalis, T. ohiensis, T. ozarkana, T. pallida, T. paludosa, T. pedicellata, T. pinetorum, T. reverchonii, T. roseolens, T. spathacea, T. subacaulis, T. subaspera, T. virginiana, T. wrightii, T. zebrina
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)
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