// SPECIES PROFILE · GRASS · NATIVE

Oneflower flatsedge

Cyperus retroflexus

Oneflower flatsedge (Cyperus retroflexus) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 4a–10b.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to AL, AR, AZ, LA, MO, MS, NM, OK
USDA hardiness: Zones 4a–10b
Mature size: —
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Oneflower flatsedge (Cyperus retroflexus) — *Cyperus retroflexus* — Oneflower flatsedge. Photo via iNaturalist — no rights reserved.

Field Notes

[ growing · ecology · siting · care ]

Oneflower flatsedge (Cyperus retroflexus) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 4a–10b.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, oneflower flatsedge pairs naturally with: Big Bluestem (Andropogon gerardii), Common Rush (Juncus effusus), Fox Sedge (Carex vulpinoidea), Indiangrass (Sorghastrum nutans).