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

canyon spiderwort

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

clustered, fibrous-thickened.

Stems

unbranched, short.

sparsely branched, 30–50 cm, tufted, glabrous.

Leaves

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.

spirally arranged, distant;

blade not variegated, narrowly lanceolate, 7.5–16 × 1–2.5 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base symmetric, rounded to broadly cuneate, margins smooth or ciliate-scabrous, apex acuminate, glabrous to sparsely pubescent.

Inflorescences

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

terminal;

bracts very unlike proximal stem leaves, connate, ovate-lanceolate, 2.4–4.5 cm, base cordate, somewhat dilated.

Flowers

distinctly pedicillate;

pedicels glabrous;

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

petals distinct, white, ovate, not clawed;

stamens free;

filaments bearded.

subsessile;

pedicels densely covered with white, long, eglandular hairs or occasionally only with colorless, short, glandular hairs;

sepals distinct, usually glandular-pubescent as well as villous;

petals purplish red, clawed, claws connate basally forming tube;

stamens epipetalous;

filaments glabrous.

Capsules

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

3.5 mm, glabrous.

Seeds

1 per locule, 3–4 mm.

1.5 mm.

2n

= 12 (Belize).

Tradescantia spathacea

Tradescantia leiandra

Phenology Flowering winter (Jan). Flowering summer–fall (Jul–Oct).
Habitat Occasionally escaped to hammocks and weedy places Moist, rocky places, on ledges, among shrubs and in canyons
Distribution
from FNA
FL; Mexico; Central America; West Indies [Introduced in North America]
[BONAP county map]
from FNA
TX; Mexico (Coahuila, Nuevo Leon)
[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.)

The plants from the Capote Falls region of Presidio County, Texas have pedicels with short, colorless, glandular hairs instead of long, white, eglandular hairs and were separated as Tradescantia leiandra var. glandulosa Correll (D. S. Correll 1968).

(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. pinetorum, T. reverchonii, T. roseolens, 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. 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 Rhoeo discolor, Rhoeo spathacea Setcreasea leiandra
Name authority Swartz: Prodr. 57. (1788) Torrey: in W. H. Emory, Report on the United States and Mexican Boundary Survey, ... 2(1): 224. (1859)
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