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inchplant, wandering-jew

Texas spiderwort

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

tuberous in part, not brownish-tomentose.

Stems

spreading, diffusely branched, particularly at base, 0.5–20(–45) cm, densely pubescent to glabrescent.

Leaves

2-ranked;

blade variegated, abaxially reddish purple, adaxially striped green and white, lanceolate-elliptic to ovate-elliptic, 3–9 × 1.5–3 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base oblique, cuneate, apex acute to acuminate.

somewhat recurved or falcate;

blade deep green, or paler and somewhat glaucous, linear-lanceolate, 11–20 × 1–2 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), margins usually tinged with purple, crisped, puberulent to glabrescent.

Inflorescences

terminal, consisting of pairs of sessile cymes enclosed in sheaths of spathaceous bracts, pedunculate; spathaceous bracts foliaceous, reduced.

terminal, solitary, or more frequently also axillary and pedunculate from distal nodes;

bracts foliaceous, similar to leaves in form, puberulent to glabrescent.

Flowers

subsessile;

sepals basally connate, 4–5 mm;

petals pink, clawed, claws basally connate forming tube;

stamens epipetalous;

filaments bearded.

distinctly pedicillate;

pedicels 1.5–2.5 cm, puberulent or pilose with mixed glandular, eglandular hairs;

sepals dull green or occasionally edged or suffused with purple, 9–11 mm, pubescent with mixed glandular, eglandular hairs;

petals distinct, bright blue or occasionally pink, broadly ovate, not clawed, 11–19 mm;

stamens free;

filaments bearded.

Capsules

3-locular;

locules 2-seeded.

6–7 mm.

Seeds

2–3 mm;

hilum as long as seed.

2n

= 12.

Tradescantia zebrina

Tradescantia humilis

Phenology Flowering fall–winter (Sep–Feb). Flowering spring (Mar–Jun).
Habitat Hummocks and weedy places Sandy and rocky soil, formerly also in rich black soil at the edge of the coastal plain, now more commonly in disturbed sites, such as roadsides, fencerows, and railroad rights-of-way
Distribution
from FNA
FL; native; tropical America [Introduced in North America]
[BONAP county map]
from FNA
TX
[BONAP county map]
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. spathacea, T. subacaulis, T. subaspera, T. tharpii, T. virginiana, T. wrightii
T. bracteata, T. brevifolia, T. buckleyi, T. crassifolia, T. crassula, T. edwardsiana, T. ernestiana, T. fluminensis, T. gigantea, T. hirsuticaulis, T. hirsutiflora, 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 Zebrina pendula
Name authority Hort ex Bosse: Vollstandiges Handb. Blumengart. 4: 655. (1849) Rose: Contributions from the U. S. National Herbarium 5: 204. (1899)
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