Physena is the sole genus of the flowering plant family Physenaceae. It contains two species of shrubs and small trees which are endemic to Madagascar...

meadow (the flowers sprouting from the leaves) Aquifoliales Qu Physenaceae Physena G inflated (the fruit) Caryophyllales Qu Phytolaccaceae Phytolacca G plant...

spines Caryophyllales Petiveria alliacea Physenaceae (balloonfruit family) Physena, from Greek for "inflated" (fruit)  1 genus, in eastern Madagascar  Trees...