Flower profile
Screwbean
Strombocarpa pubescens
Screwbean is a flowering plant. In Nevada it's most often seen in bloom in May–October.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Nevada
Quick look
Strombocarpa pubescens, commonly known as screwbean mesquite, is a species of flowering shrub or small tree in the pea family, Fabaceae, that is native to the southwestern United States and northern Mexico.
- It belongs to the Fabaceae family. iNaturalist
- NatureServe lists it as native to Nevada. NatureServe
- In Nevada, most iNaturalist sightings of it in flower come in May–October. iNaturalist
- iNaturalist has 586 research-grade sightings of it in Nevada, ranking #67 among the 110 flowers on our Nevada list. iNaturalist
Screwbean gift ideas
Handmade screwbean gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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Screwbean art print
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Screwbean greeting card
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Screwbean mug
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Screwbean earrings
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Screwbean embroidery pattern
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Screwbean sticker
When does it bloom?
In Nevada, most flowering sightings come in May–October.
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- G3 Vulnerable worldwide. NatureServe
- Nevada
- Not listed Not on Nevada fully protected plants, critically endangered (NAC 527.010). NatureServe: S3, vulnerable in Nevada. NAC 527.010
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: UT (S1). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)
Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.
Please don't pick or dig this flower: NatureServe ranks it S3 in Nevada. NatureServe
Can you eat it?
None of the sources we checked (NC State Extension (no page for this plant)) say whether it's edible or poisonous for people.
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 has no state-by-state distribution for this name, so we can't map it yet.
More Nevada flowers
Sources
- USDA PLANTS: no profile matched this name.
- iNaturalist, Strombocarpa pubescens: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Strombocarpa pubescens (lead quoted under CC BY-SA 4.0).
- Nevada: Nevada fully protected plants, critically endangered (NAC 527.010).
- Nevada: Nevada noxious weeds (NAC 555.010).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Strombocarpa pubescens (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: jonsense via iNaturalist · CC BY 4.0 · resized.