Tradescantia

Tradescantia subsp. var.	Spider Lily, Spiderwort
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[hide]Standard Cyclopedia of Horticulture

Zebrina (name refers to the striped leaves). Commelinaceae. One of the species, the wandering Jew, is a very common greenhouse plant, much used for baskets and for covering the ground underneath benches. Differs from Tradescantia chiefly in the fact that the corolla is tubular (petals not free); stamens 6, equal; fls. few, sessile, in 2 conduplicate bracts.—Two species, Mex. and Texas. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

[hide]Standard Cyclopedia of Horticulture

Tradescantia (named for John Tradescant, gardener to Charles I; died about 1638). Commelinaceae. Spiderwort. Perennial hardy herbs, varying greatly in habit from erect and bushy to trailing and rooting at the nodes, grown for their ornamental value both out-of-doors and in the greenhouse. Stems simple or diffusely branched: lvs. various: cymes simple, sometimes umbellate or densely paniculate: fls. more or less pedicelled, few or numerous, rarely solitary, red, blue, or white; sepals distinct, concave, green or colored; petals distinct, obovate or orbicular; stamens 6, all usually perfect; ovary 3-celled with 2 superposed ovules: caps. loculicidally dehiscent.— About 90 species, all American, ranging from Manitoba to Argentina. The genus was monographed in 1881 by C. B. Clarke (DC. Monogr. Phaner. 3). The genus Zebrina, usually confounded with this by gardeners, differs, among other things, in having a tubular perianth. To horticulturists, tradescantias are known as hardy herbs, coolhouse plants, and warmhouse plants. T. virginiana is the best known of the hardy species, withstanding the climate of the northern states. The wandering Jew of greenhouses and hanging-baskets, usually known as T. tricolor, is partly T. fluminensis and partly Zebrina pendula. T. Reginae is perhaps the best known warmhouse species at present, although various species may be expected in botanic gardens and the collections of amateurs. The glasshouse species are essentially foliage plants. Several species have handsomely striped leaves. All tradescantias are free growers, propagating with ease from cuttings of the growing shoots. T. aureo-striata, Hort., is offered in the trade as a form with green lvs. striped with yellow.—T. bengalensis, Hort., occurs in the trade, having small, red, fleshy lvs. and blue fls.—T. crassifolia, Cav. (T. iridescens, Lindl.). Something like T. virginiana, but lvs. short and broad, oblong-ovate, ciliate, as also the st.: fls. 1 1/2 in. across, blue-purple, in terminal and axillary sessile umbels, the stamens all equal. Mex. B.M. 1598. G.W. 7, p. 91.—T. Crassula, Link & Otto. Somewhat succulent, ascending: lvs. thick, oblong and nearly or quite obtuse, glabrous except on the edges: fls. about 1/4 – 1/2 in. across, white, in terminal and lateral often stalked umbels, the calyx and pedicels hairy. Brazil. B.M. 2935. L.B.C. 10:1560. —T. decora, Bull. Foliage plant: lvs. long-lanceolate, dark olive-green, with a central gray band. Brazil.—T. discolor is Rhoeo discolor, which see.—T. dracaenaefolia. "A noble and rapid-growing plant, with luxuriant and handsome foliage. The lvs. in many respects resemble a dracaena and are a deep green, marked with chocolate or black. . . . When fully grown the plant will send out long runners, bearing out tufts of lvs. at the end." John Lewis Childs, catalogue 1900.—T. laekenensis, Hort., is offered in the trade as a form with green and pink lvs. —T. lanceolata, Hort., is offered in the trade as having large, green, downy lvs.—T. multicolor, Hort. See Zebrina.—T. quadricolor, Hort. See Zebrina,—T. spathacea, Swartz., equals Rhoeo discolor.—T. superba, Lind. & Rod., has oval-oblong acuminate, sessile lvs., which are dark metallic green with a white band on either side of midrib and are purple beneath. Peru. I.H. 39:155: 40:173, Fig 6. Gt. 40, p. 163. Perhaps not a Tradescantia.—T. thuringia, Hort., is said to have green-and-white lvs.; offered in the trade.—T. variegata, Hort., is Rhoeo discolor var. vittata.—T. versicolor, Salisb., is Rhoeo discolor.—T. vulgaris, Hort., occurs in the trade.—T. zebrina, Hort., is Zebrina pendula. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Cultivation

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Propagation

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Pests and diseases

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Species

About 70, including^wp:
Tradescantia bracteata
Tradescantia brevifolia
Tradescantia buckleyi
Tradescantia cerinthoides
Tradescantia crassifolia
Tradescantia crassula
Tradescantia edwardsiana
Tradescantia ernestiana
Tradescantia fluminensis
Tradescantia gigantea
Tradescantia hirsuticaulis
Tradescantia hirsutiflora
Tradescantia humilis
Tradescantia iridescens
Tradescantia leiandra
Tradescantia longipes
Tradescantia navicularis
Tradescantia occidentalis
Tradescantia ohiensis
Tradescantia ozarkana
Tradescantia pallida
Tradescantia paludosa
Tradescantia pedicellata
Tradescantia pinetorum
Tradescantia roseolens
Tradescantia reverchonii
Tradescantia sillamontana
Tradescantia spathacea
Tradescantia subacaulis
Tradescantia subaspera
Tradescantia tepoxtlana
Tradescantia tharpii
Tradescantia virginiana
Tradescantia wrightii
Tradescantia zanonia
Tradescantia zebrina

synonyms = Setcreasea
Zebrina

Gallery

• 
  Hoverfly at Tradescantia flower; note the blue stamen hairs
• 
  Front view of leaves of Tradescantia pallida cv. "Purple Heart".
• 
  Back view of leaves of Tradescantia pallida cv. "Purple Heart".
• 
  Front view of leaves of Tradescantia zebrina cv. "Tricolor".
• 
  Back view of leaves of Tradescantia zebrina cv. "Tricolor".
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  Tradescantia ohiensis Ohio Spiderwort
• 
  Tradescantia ohiensis flowers
• 
  A budding Tradescantia flower

References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Tradescantia. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Tradescantia QR Code (Size 50, 100, 200, 500)