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inchplant, wandering-jew

stemless spiderwort

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

thick, brownish-tomentose.

Stems

spreading, diffusely branched, particularly at base, 10–30 cm, arachnoid-villous or rarely nearly 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.

relatively lax and flaccid;

blade deep green, linear-lanceolate, 10–18 × 0.5–1.5 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), ± arachnoid-villous as on stems.

Inflorescences

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

terminal, solitary, often with axillary, pedunculate inflorescences from distal nodes;

bracts foliaceous, similar to leaves in form, ± arachnoid-villous.

Flowers

subsessile;

sepals basally connate, 4–5 mm;

petals pink, clawed, claws basally connate forming tube;

stamens epipetalous;

filaments bearded.

violet-scented; distinctly pedicillate;

pedicels 2–3 cm, puberulent or pilose with mixed glandular, eglandular hairs;

sepals green or suffused with rose or purple, 7–8 mm, pubescent with mixture of glandular, eglandular hairs;

petals distinct, bright blue, broadly ovate, not clawed, 13–14 mm;

stamens free;

filaments bearded.

Capsules

3-locular;

locules 2-seeded.

5–6 mm.

Seeds

2–3 mm;

hilum as long as seed.

2n

= 12.

Tradescantia zebrina

Tradescantia subacaulis

Phenology Flowering fall–winter (Sep–Feb). Flowering spring (Mar–Jun).
Habitat Hummocks and weedy places Sandy soil
Distribution
from FNA
FL; native; tropical America [Introduced in North America]
[BONAP county map]
from FNA
TX
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. 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. subaspera, T. tharpii, T. virginiana, T. wrightii, T. zebrina
Synonyms Zebrina pendula
Name authority Hort ex Bosse: Vollstandiges Handb. Blumengart. 4: 655. (1849) Bush
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