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pinewoods spiderwort

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

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

sometimes tuberous.

Stems

sparsely branched, 8–39 cm, scabridulous or rarely glabrescent.

unbranched, short.

Leaves

blade linear-lanceolate, 1–10 × 0.15–0.8 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), firmly membranaceous, glaucous, glabrous.

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, solitary, or frequently with 1–3 axillary inflorescences from distal nodes;

bracts foliaceous.

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

Flowers

distinctly pedicillate;

pedicels 0.8–1 cm, glandular-puberulent;

sepals frequently suffused with red, glaucous, 4–6 mm, glandular-puberulent;

petals distinct, bright blue to rose and purple, not clawed, 9–12 mm;

stamens free;

filaments bearded.

distinctly pedicillate;

pedicels glabrous;

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

petals distinct, white, ovate, not clawed;

stamens free;

filaments bearded.

Capsules

3–4 mm.

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

Seeds

1.5–2 mm;

hilum much shorter than seed.

1 per locule, 3–4 mm.

2n

= 12 (Belize).

Tradescantia pinetorum

Tradescantia spathacea

Phenology Flowering summer–fall (Jul–Sep). Flowering winter (Jan).
Habitat Moist canyons and stream banks Occasionally escaped to hammocks and weedy places
Elevation 1700–3000 m (5600–9800 ft)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua, Durango, Sonora)
[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. pallida, T. paludosa, T. pedicellata, 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 Rhoeo discolor, Rhoeo spathacea
Name authority Greene: Erythea 1: 247. (1893) Swartz: Prodr. 57. (1788)
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