Photo from Miles2Go.
This member of the Fabaceae
family was given this name by Thomas
Henry Kearney in 1894. It is found in Mexico and
south-western U.S., growing in a well drained soil with some water
and lots of sun. It starts out with a nice swollen stem, which
unfortunately seems to disappear by age. On the other hand does it
get some astonishing red flowers. In rough conditions, it form a
open bush, not more than one and a half meter height. Given more
water, it can grow into a seven or even ten meter tree.
The genera name from Greek;
eryhros; 'red' for the mostly red flowers. The species name from