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purple queen

boat-lily, moses-in-the-cradle, oyster-plant

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

suffused with purplish violet.

unbranched, short.

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 usually abaxially purple, adaxially green, strap-shaped, to 35 × 5 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), leathery, succulent, glabrous.

Inflorescences

terminal, often becoming leaf-opposed, pedunculate;

peduncles (3.5–)4–13 cm;

bracts similar to leaves but usually greatly reduced.

axillary, sessile, or pedunculate in axils well below shoot apex, cymes enclosed in pairs of boat-shaped spathes.

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 glabrous;

sepals distinct, white, 3–6 mm, glabrous;

petals distinct, white, ovate, not clawed;

stamens free;

filaments bearded.

Capsules

3.5 mm, glabrous.

3- or (by abortion) 2-locular, 3–4 mm.

Seeds

2.5–3 mm.

1 per locule, 3–4 mm.

2n

= 24 (Mexico).

= 12 (Belize).

Tradescantia pallida

Tradescantia spathacea

Phenology Flowering summer–fall. Flowering winter (Jan).
Habitat Landfill and old home sites Occasionally escaped to hammocks and weedy places
Distribution
from FNA
FL; LA; Mexico; native [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
FL; Mexico; Central America; West Indies [Introduced in North America]
[BONAP county map]
Discussion

Tradescantia spathacea is native to southern Mexico, Central America, and the West Indies.

(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. 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. subacaulis, T. subaspera, T. tharpii, T. virginiana, T. wrightii, T. zebrina
Synonyms Setcreasea pallida, Setcreasea purpurea Rhoeo discolor, Rhoeo spathacea
Name authority (Rose) D. R. Hunt: Kew Bull. 30: 452. (1975) Swartz: Prodr. 57. (1788)
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