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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
from FNA
FL; LA; Mexico; native [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
TX; Mexico (Coahuila, Nuevo Leon)
[BONAP county map]
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 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. 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. tharpii, T. virginiana, T. wrightii, T. zebrina
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)
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