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purple queen

stemless spiderwort

Habit Herbs, perennial, succulent. Herbs, erect or ascending, rarely rooting at nodes.
Roots

thick, brownish-tomentose.

Stems

suffused with purplish violet.

spreading, diffusely branched, particularly at base, 10–30 cm, arachnoid-villous or rarely nearly 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.

relatively lax and flaccid;

blade deep green, linear-lanceolate, 10–18 × 0.5–1.5 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), ± arachnoid-villous as on stems.

Inflorescences

terminal, often becoming leaf-opposed, pedunculate;

peduncles (3.5–)4–13 cm;

bracts similar to leaves but usually greatly reduced.

terminal, solitary, often with axillary, pedunculate inflorescences from distal nodes;

bracts foliaceous, similar to leaves in form, ± arachnoid-villous.

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.

violet-scented; distinctly pedicillate;

pedicels 2–3 cm, puberulent or pilose with mixed glandular, eglandular hairs;

sepals green or suffused with rose or purple, 7–8 mm, pubescent with mixture of glandular, eglandular hairs;

petals distinct, bright blue, broadly ovate, not clawed, 13–14 mm;

stamens free;

filaments bearded.

Capsules

3.5 mm, glabrous.

5–6 mm.

Seeds

2.5–3 mm.

2–3 mm;

hilum as long as seed.

2n

= 24 (Mexico).

= 12.

Tradescantia pallida

Tradescantia subacaulis

Phenology Flowering summer–fall. Flowering spring (Mar–Jun).
Habitat Landfill and old home sites Sandy soil
Distribution
from FNA
FL; LA; Mexico; native [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
TX
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. subaspera, T. tharpii, T. virginiana, T. wrightii, T. zebrina
Synonyms Setcreasea pallida, Setcreasea purpurea
Name authority (Rose) D. R. Hunt: Kew Bull. 30: 452. (1975) Bush
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