Bloomipedia
Cut-leaf ironplant (Sideranthus spinulosus)
Photo: Bobby McCabe via iNaturalist · CC BY 4.0 · resized

Flower profile

Cut-leaf ironplant

Sideranthus spinulosus

Native in the lower 48

Cut-leaf ironplant is a wildflower that USDA PLANTS lists as native in the lower 48 states. In New Mexico it's most often seen in bloom in April–October.

9states
1,162NM sightings*
4,140U.S. sightings*

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

On our lists for: New Mexico

Quick look

  • It belongs to the Asteraceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a subshrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 9 states. USDA PLANTS
  • In New Mexico, most iNaturalist sightings of it in flower come in April–October. iNaturalist
  • iNaturalist has 1,162 research-grade sightings of it in New Mexico, ranking #36 among the 109 flowers on our New Mexico list. iNaturalist

Cut-leaf ironplant gift ideas

Handmade cut-leaf ironplant 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.

  • Placeholder

    Cut-leaf ironplant art print

    Gift pick coming soon

  • Placeholder

    Cut-leaf ironplant greeting card

    Gift pick coming soon

  • Placeholder

    Cut-leaf ironplant mug

    Gift pick coming soon

  • Placeholder

    Cut-leaf ironplant earrings

    Gift pick coming soon

  • Placeholder

    Cut-leaf ironplant embroidery pattern

    Gift pick coming soon

  • Placeholder

    Cut-leaf ironplant sticker

    Gift pick coming soon

When does it bloom?

In New Mexico, most flowering sightings come in April–October.

Flowering records by month in New Mexico (iNaturalist research-grade observations marked “Flowering”) (68 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe
Unknown We couldn't find this name in NatureServe Explorer. NatureServe
New Mexico
Not listed Not on New Mexico state endangered plant species (19.21.2.9 NMAC). 19.21.2.9 NMAC

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 cut-leaf ironplant in 9 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Colorado, Iowa, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming.

New Mexico counties with USDA records: Eddy.

More New Mexico flowers

Common yarrow (Achillea millefolium)

Common yarrow

Achillea millefolium

Native

🌼 Blooms in NM: June–September
Common dandelion (Taraxacum officinale)

Common dandelion

Taraxacum officinale

★ NH state wildflowerNative

🌼 Blooms in NM: March–July
Firewheel (Gaillardia pulchella)

Firewheel

Gaillardia pulchella

★ OK state wildflowerNative

🌼 Blooms in NM: April–October

Sources