Tradescantia crassifolia |
Tradescantia edwardsiana |
|
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leatherleaf spiderwort |
plateau spiderwort |
|
Habit | Herbs, erect, rarely rooting at nodes. | Herbs, erect or ascending, rarely rooting at nodes. |
Roots | tuberous, thick. |
|
Stems | unbranched or sparsely branched, arachnoid-villous. |
not flexuous, 25–70 cm, densely puberulent to glabrescent. |
Leaves | 2-ranked, narrowing toward shoot apex; blade lanceolate-elliptic to ovate, 4–15 × 2–3.5 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base cordate-clasping, sparsely pilose to densely arachnoid-villous. |
gradually narrowed into sheath; blade light green, elliptic-lanceolate, 7–39 × 1.5–4.5 cm (distal leaf blades wider than sheaths when sheaths opened, flattened), minutely puberulent to glabrescent. |
Inflorescences | terminal, 1–4 axillary, sessile in axils of distal reduced leaves, boat-shaped spathes absent. |
terminal, usually also axillary from distal nodes; bracts foliaceous. |
Flowers | distinctly pedicillate; pedicels 0.6–1.4 cm, densely arachnoid-villous; sepals 6.5–8 mm, pilose to densely arachnoid-pubescent; petals distinct, rose-purple to bluish, not clawed, 10–15 mm; stamens free; filaments bearded. |
distinctly pedicillate; pedicels 1.5–3 cm, densely puberulent; sepals green, 6–9 mm, glandular-puberulent or mixed glandular- and eglandular-puberulent; petals distinct, white to pale mauve, rarely bright pink, broadly ovate, not clawed, 1–1.2 cm; stamens free; filaments bearded. |
Capsules | 3.5–4 mm. |
8–10 mm. |
Seeds | 2 mm. |
3–4 mm. |
2n | = 12, 24, 24+ (Mexico). |
= 12. |
Tradescantia crassifolia |
Tradescantia edwardsiana |
|
Phenology | Flowering summer–early fall. | Flowering late winter–spring (Feb–May). |
Habitat | Specific habitat unkown | Rich woods, and along moist terraces and ravines |
Distribution |
TX; Mexico; to Central America (Guatemala)
|
TX |
Discussion | Although not recorded in any U.S. flora or checklist, Tradescantia crassifolia has been added to the flora based on an old collection from the Chenati Mountains in Texas. Another specimen labeled New Mexico is considered less credible. (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 | ||
Name authority | Cavanilles: Icon. 1: 54, plate 75. (1791) | Tharp: Rhodora 34: 57, fig. 1. (1932) |
Web links |