// SPECIES PROFILE · ANNUAL · NATIVE

Clasping venus's looking-glass

Triodanis perfoliata

Clasping venus's looking-glass (Triodanis perfoliata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–13a. Mature size 6"–3'. Blooms Apr–May.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 49 U.S. states, including AL, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 2a–13a
Mature size: 6"–3'
Sun: Full shade
Water: Low · xeric
Bloom: Apr–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Clasping venus's looking-glass (Triodanis perfoliata) — *Triodanis perfoliata* — Clasping venus's looking-glass. Photo by Sphl via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Clasping venus's looking-glass (Triodanis perfoliata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–13a. Mature size 6"–3'. Blooms Apr–May. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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, clasping venus's looking-glass pairs naturally with: Common Sunflower (Helianthus annuus), Virginia peppergrass (Lepidium virginicum), Poorman's pepperwort (Lepidium virginicum var. virginicum), Rough cocklebur (Xanthium strumarium).