About 70, incluing: 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