Over a third of U.S. plants and animals are at risk of extinction according to a report by the conservation group NatureServe. Colocasia esculenta Diamond Head that survived the winter under lots of oak leaf litter. , Every Alocasia and Colocasia I had growing in the ground came back this spring, I was a bit worried about My Dad is convinced this plant isn't real : r whatsthisplant Wax Gourd Benincasa Hispida , or Ash Pumpkin, Winter Melon Stock Vector Illustration of remedy, hispida: 146084395