// SPECIES PROFILE · PERENNIAL · NATIVE

Twining snoutbean

Rhynchosia tomentosa var. tomentosa

Twining snoutbean (Rhynchosia tomentosa var. tomentosa) is a perennial in the — family. Native range includes AR — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 5a–11b. Mature size 1"–30". Blooms Mar–Aug.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 15 U.S. states, including AL, AR, DC, DE, FL, GA…
USDA hardiness: Zones 5a–11b
Mature size: 1"–30"
Sun: —
Water: —
Bloom: Mar–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Twining snoutbean (Rhynchosia tomentosa var. tomentosa) — *Rhynchosia tomentosa var. tomentosa* — Twining snoutbean. Photo via iNaturalist — (c) Briggs Armstrong, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

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, twining snoutbean pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).