Tradescantia fluminensis |
Tradescantia spathacea |
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small-leaf spiderwort, white-flower wandering jew |
boat-lily, moses-in-the-cradle, oyster-plant |
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Habit | Herbs, decumbent, rooting at nodes. | Herbs, erect or ascending, rarely rooting at nodes. |
Stems | unbranched, short. |
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Leaves | 2-ranked; blade lanceolate-elliptic to ovate-lanceolate, 2.5–5 × 1–2 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), margins ciliolate, apex acute, 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, becoming leaf-opposed, sometimes axillary from distalmost leaf axil, 1–2 cyme pairs per stem; bracts mostly foliaceous, occasionally reduced. |
axillary, sessile, or pedunculate in axils well below shoot apex, cymes enclosed in pairs of boat-shaped spathes. |
Flowers | distinctly pedicillate; pedicels 1–1.5 cm, glandular-pilose; sepals 5–7 mm, midrib pilose with eglandular hairs; petals distinct, white, not clawed, 8–9 mm; stamens free; filaments white, densely bearded with white hairs. |
distinctly pedicillate; pedicels glabrous; sepals distinct, white, 3–6 mm, glabrous; petals distinct, white, ovate, not clawed; stamens free; filaments bearded. |
Capsules | 3- or (by abortion) 2-locular, 3–4 mm. |
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Seeds | 1 per locule, 3–4 mm. |
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2n | = 12 (Belize). |
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Tradescantia fluminensis |
Tradescantia spathacea |
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Phenology | Flowering spring–fall. | Flowering winter (Jan). |
Habitat | Woods, roadsides, and open areas, sometimes as weed | Occasionally escaped to hammocks and weedy places |
Distribution |
AL; CA; FL; LA; native; South America (Brazil–Argentina); Africa (South Africa); Australia [Introduced in North America; introduced in North America]
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FL; Mexico; Central America; West Indies [Introduced in North America] |
Discussion | This species was recorded north to North Carolina (J. K. Small 1933), but I have not seen any supporting records from Georgia or North Carolina. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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 | ||
Synonyms | Rhoeo discolor, Rhoeo spathacea | |
Name authority | Vellozo: Florae Fluminensis 140; plate vol. 3, 152. (1829) | Swartz: Prodr. 57. (1788) |
Web links |