Rufino Osorio

Euphorbia thymifolia (synonym: Chamaesyce thymifolia ) is an unassuming little annual native from Mexico to Argentina, the West Indies, an...

Early last year, I collected a few seeds from a pokeweed, Phytolacca americana, that had spontaneously arisen among some saw palmetto palm...

A Spanish daisy, Helenium amarum, made itself at home in my carport. It is a perky and pretty yellow annual daisy native to Florida. It is...

Cyperus odoratus. Flat sedges, members of the genus Cyperus, are rarely grown even though 35 native species occur in Florida, along w...

Pineland lobelia is a an annual lobelia that is endemic to Florida and has been recorded in St. Johns County in north Florida from where...

Cosmos sulphureus, a short-lived annual native to the American tropics, is attractive to many insects. UPDATE: The United States Depart...

Image © 2012 Rufino Osorio

Gaillardia pulchella has several common names, including "indian blanket" and "firewheel." Gaillardia pulchella is...

Polygala nana growing in an area of moist sugar sand at the Juno Dunes Natural Area in Palm Beach County, Florida. I always think that ...

Caliente ® is a series of Pelargonium hybrids developed by Syngenta for increased heat tolerance. The plants have great hybrid vigor, ...

Ipomoea ternifolia var. leptotoma is a desert ephemeral native to Arizona and Mexico. It is horticulturally distinctive in its del...

Warning: Youngia japonica is an extremely pernicious non-native weed. It is included here only as an aid to identification and not to prom...

Warning: Silybum marianum has been listed as an invasive pest plant or noxious weed. It is included here only as an aid to identification ...

Crotalaria pumila is an annual or short-lived perennial that generally grows up to about 12 inches tall and about as wide or wid...

The tiny white flowers are followed by conspicuous, glossy black berries that are eaten by a wide variety of birds and mammals. Two spec...