This member of the Amaryllidaceae family was
given this name by Inez Clare Verdoorn in 1943. It is found
from Eastern Zimbabwe to Western Mozambique, growing in a rich soil with
some water and some sun. The bulbs can grow to three
centimetres in diameter, the leaves to 25 centimetres in length. The
flowers are white to light pink.
Named after Mr. Van Son, who
first flowered a collected specimen.