Bloomipedia
Slender janusia (Janusia gracilis)
Photo: Eric Knight via iNaturalist · CC BY 4.0 · resized

Flower profile

Slender janusia

Janusia gracilis

Native to Arizona

Slender janusia is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Arizona it's most often seen in bloom in February–November.

3states
1,592AZ sightings*
1,770U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Arizona

Quick look

  • It belongs to the Malpighiaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a vine with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 3 states. USDA PLANTS
  • NatureServe lists it as native to Arizona. NatureServe
  • In Arizona, most iNaturalist sightings of it in flower come in February–November. iNaturalist
  • iNaturalist has 1,592 research-grade sightings of it in Arizona, ranking #56 among the 109 flowers on our Arizona list. iNaturalist

Slender janusia gift ideas

Handmade slender janusia gifts from independent makers.

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When does it bloom?

In Arizona, most flowering sightings come in February–November.

Flowering records by month in Arizona (iNaturalist research-grade observations marked “Flowering”) (152 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G4 Apparently secure worldwide. NatureServe
Arizona
Not listed Not on Arizona Native Plant Law protected plants (Ariz. Admin. Code R3-3 Art. 11, App. A, eff. Feb. 2, 2025). NatureServe: SNR, not yet ranked in Arizona. AAC R3-3 App. A
Rare elsewhere
No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records slender janusia in 3 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, New Mexico, Texas.

Arizona counties with USDA records: Cochise, Coconino, Gila, Graham, Greenlee, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yuma.

More Arizona flowers

Saguaro (Carnegiea gigantea)

Saguaro

Carnegiea gigantea

★ AZ state flowerNative

🌼 Blooms in AZ: April–June
Creosote bush (Larrea tridentata)

Creosote bush

Larrea tridentata

Native

🌼 Blooms in AZ: January–December
Fishhook barrel cactus (Ferocactus wislizeni)

Fishhook barrel cactus

Ferocactus wislizeni

Native

🌼 Blooms in AZ: July–October

Sources