“Spice” Tree?

Pepperbark, toothache tree, tickle tongue, and prickly ash are among the many common names given to the deciduous temperate tree also called Hercules-club (Zanthoxylum clava-herculis). ┬áThis native tree was planted at the Oslo Riverfront Conservation Area (ORCA) in 2001 as…

Signs of the End of Summer at PINWR

On our visit to Pelican Island National Wildlife Refuge (PINWR) on 8-28-2016, we saw some floral signs of the end of summer ... Chalky bluestem (Andropogon glomeratus), pictured above with a cabbage palm (Sabal palmetto) in the background, was beginning…

Heroic Hercules Club

Hercules club (Zanthoxylum clava-herculis) is easily identified by the pyramidical protuberances on its trunk - each armed with a spine. The species name, clava-herculis, reflects this common name. The species name, Zanthoxylum, refers to the yellow wood of this plant.…

Citrus Camouflage

Ken Gonyo (Class of 2012) sent this photo of a well-camouflaged giant swallowtail butterfly (Papilio cresphontes) chrysalis on his hercules club (Zanthoxylum clava herculis). Giant swallowtail butterflies complete 2 or 3 generations in Florida and in their 5 larval (caterpillar)…