Bloomipedia
Oneseed bur cucumber (Sicyos angulatus)
Photo: Andrew Conboy via iNaturalist · CC BY 4.0 · resized

Flower profile

Oneseed bur cucumber

Sicyos angulatus

Native to Nebraska

Oneseed bur cucumber is a wildflower that USDA PLANTS lists as native in the lower 48 states.

37states
185NE sightings*
7,410U.S. sightings*

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

On our lists for: Nebraska

Quick look

Sicyos angulatus, the oneseed bur cucumber or star-cucumber is an annual vine in the gourd family, Cucurbitaceae, native to eastern North America. The plant forms mats or climbs using tendrils. The leaves are palmately veined and lobed, the flowers are green to yellowish green, and the fruits form clusters of very small pepos.

  • It belongs to the Cucurbitaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a vine with a annual life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 37 states. USDA PLANTS
  • NatureServe lists it as native to Nebraska. NatureServe
  • iNaturalist has 185 research-grade sightings of it in Nebraska, ranking #86 among the 108 flowers on our Nebraska list. iNaturalist

Oneseed bur cucumber gift ideas

Handmade oneseed bur cucumber 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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When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (464 records)

There are only a handful of Nebraska flowering records, so this chart uses records from across the U.S.

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
Nebraska
Not listed Not on Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004). NatureServe: SNR, not yet ranked in Nebraska. 163 NAC 4-004
Rare elsewhere
Other states where NatureServe ranks it rare or missing: FL (S2). (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.

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 oneseed bur cucumber in 37 states plus Washington, D.C.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin; District of Columbia.

Nebraska counties with USDA records: Cass, Douglas, Gage, Garden, Harlan, Johnson, Keith, Lancaster, Otoe, Pawnee, Richardson, Sarpy, Seward, Washington, Webster.

More Nebraska flowers

Common milkweed (Asclepias syriaca)

Common milkweed

Asclepias syriaca

Native

🌼 Blooms in NE: June–July
Hoary vervain (Verbena stricta)

Hoary vervain

Verbena stricta

Native

🌼 Blooms in NE: June–August
Great mullein (Verbascum thapsus)

Great mullein

Verbascum thapsus

Introduced

🌼 Few flowering records in NE

Sources