tradescantia sillamontana, pubescent leaves on the top of a shoot of a climbing tropical plant in a botanical collection

tradescantia sillamontana spiderwort white velvet cobweb plant perennial herb succulent xerophyte mexico leasup3 evergreen hairy leaf flower purple pink petal ovate foliage tropical climbing botanical collection pubescent commelinaceae monocot angiosperm pexata taxonomy endemic ornamental horticulture cultivation drought houseplant groundcover landscaping decorative