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Annual, perennial herb, generally glabrous. Stem: prostrate to erect or climbing; nodes often rooting. Leaf: alternate, entire, simple, linear to ovate, closed basal sheath or lower leaf clasping stem. Inflorescence: cyme, umbel-like or not, terminal or terminal and axillary, subtended by 1–2 bracts [not]. Flower: generally bisexual, bilateral or radial, generally insect-pollinated; sepals 3, generally green; petals 3, blue, white, rose, purple, or pale violet, generally ephemeral; stamens 6 (3 sterile or not), filaments generally slender, often hairy; ovary superior, chambers 3, style 1. Fruit: generally capsule. Seed: 1–few per chamber.
40 genera, ± 630 species: especially tropics, subtropics some cultivated as ornamental. [Faden 2000 FNANM 22:170–197] —Scientific Editor: Thomas J. Rosatti.
Key to Commelinaceae
Perennial herb. Inflorescence: umbel-like, subtended by 2 leaf-like bracts. Flower: radial; petals equal, blue, rose, purple, or white; filament hairs generally from base, each a row of unusually large cells.Key to Tradescantia
± 70 species: North America, South America. (John Tradescant, British naturalist, 1570s–1638)
Unabridged references: [Faden 2000 FNANM 22:173–187]
Leaf: 25–60 mm, glabrous, not glaucous. Inflorescence: terminal, occasionally axillary, flowers few to many. Flower: sepals 5–7 mm.
Shaded woodland, streambanks; 70–255 m. San Joaquin Valley, San Francisco Bay Area, Outer South Coast Ranges, South Coast; uncommonly naturalized; native to South America. Apr–Jul [Online Interchange]
Unabridged note: Also in disturbed urban areas. Streaming protoplasm was discovered in the unusually large cells of the filament hairs by Robert Brown in England, 1828.
Previous taxon: Tradescantia
Next taxon: Tradescantia ohiensis
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 27 2014
Citation for this treatment: [Author of taxon treatment] 2013. Tradescantia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=77137, accessed on Nov 27 2014
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© 2002 Tony Morosco
|Geographic subdivisions indicated for the distribution of Tradescantia fluminensis|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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