What are are commonly known as milkworts or snakeroots, Nothofagus or Polygala ?
Polygala Polygala is a large genus of flowering plants belonging to the family Polygalaceae. They are commonly known as milkworts or snakeroots. The genus is distributed widely throughout much of the world in temperate zones and the tropics. The genus name "Polygala" comes from the ancient Greek "much milk", as the plant was thought to increase milk yields in cattle.
Gomphocarpus physocarpus Gomphocarpus physocarpus, commonly known as balloonplant, balloon cotton-bush, bishop's balls, nailhead, or swan plant, is a species of milkweed. The plant is native to southeast Africa, but it has been widely naturalized. It is often used as an ornamental plant. The name "balloonplant" is an allusion to the swelling bladder-like follicles which are full of seeds.