Rhizomatous perennial up to 1.2m, clump-forming. Leaves strap-shaped, keeled, fibrotic, margins smooth or sparsely serrate; flowers in oblong to rounded racemes, orange to greenish-yellow; bracts ovate.

Latin: uva, a grape; -arius, indicates possesion; like a bunch of grapes: referring to rounded, bunch-like racemes.

For: Johan H. Kniphof (1704-1763), German professor of Botany.