Scarlet Gaura
Oenothera suffrutescens
Evening-Primrose family (Onagraceae)
William Weber says of the name "Gaura," that it means "superb, not very apt for our Colorado species," but there are those of us who really like this unkempt, lanky plant and its spidery, feathery flowers.
An entire leaf has smooth edges. Not toothed or lobed.
A perennial plant lives and blooms for many years.
capsule -- a type of simple, dry fruit produced by many species of flowering plants. In most cases the capsule splits apart to release seeds.
Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.
Like the teeth on a saw, leaves and other surfaces can have toothed edges.
fruit -- any seed-bearing structure in flowering plants. It is formed from the ovary after flowering.
A spike is an unbranched, indeterminate inflorescence in which the flowers are without stalks.