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Elliptical Rushfoil

Croton willdenowii

In the Carolinas and Georgia, found in granitic flatrocks, diabase barrens, calcareous barrens, thin soils around other rock outcrops, open woodlands, disturbed sandy soil. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

73
Strong

Native to Arkansas. How scores work Is it native here?

Profile 76%

Light
Full sun
Soil moisture
Dry
Will it fit your yard?

At a glance

Bloom
June to October

Not yet recorded · Height · Spread · Life cycle · Leaves

Height: NC species account not read yet.

Spread, life cycle and leaves: no source found yet.

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 41 Arkansas counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 5

Glades, barrens and outcrops on limestone

Standing water, Flat Rock Cedar Glades and Barrens SNA, Rutherford County
Standing water on a limestone glade. Shown: Flat Rock Cedar Glades and Barrens State Natural Area, Rutherford County, Tennessee, a neighboring state.Standing water, Flat Rock Cedar Glades and Barrens SNA, Rutherford County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Granite and other acidic rock outcrops

Bare or thin-soil rock on granite, gneiss, sandstone, quartzite and similar acidic rock, including granite flatrocks and domes.

Glades, barrens and outcrops on mafic or serpentine rock

Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.

Cliffs, ledges and rocky summits

Cliffs, ledges, rock outcrops, talus and rocky summits where the source does not name the rock. A named rock files the place under its own glade or outcrop type instead.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 125 animals.

All wildlife of Arkansas

Ecological relationships

Who uses this plant?

What these records mean

10CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Croton

  • Amyna strictaEight-Spot Moth
  • Anaea andriaGoatweed Leafwing , Goatweed Leaf Wing
  • Anaea troglodytaFlorida Leafwing, Florida Leaf Wing
  • Calycopis cecropsRed-Banded Hairstreak, Cecrops Hairstreak
  • Chrysodeixis includensSoybean Looper Moth
  • Spodoptera eridaniaSouthern Armyworm Moth
  • Spodoptera frugiperdaFall Armyworm Moth
  • Strymon melinusGray Hairstreak
  • Xylophanes tersaTersa Sphinx
  • Haplochrois bipunctella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
13BeesSoutheastern regional records

Southeastern regional records · Croton

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1Specialist beesPollen specialists

Pollen specialists · Croton

  • Perdita crotonis
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
20BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Croton

  • Agelaius phoeniceusRed-winged Blackbird
  • Anthus rubescensAmerican Pipit
  • Anthus spragueiiSprague's Pipit
  • Callipepla californicaCalifornia Quail
  • Cardinalis sinuatusPyrrhuloxia
  • Colinus virginianusNorthern Bobwhite
  • Columbina passerinaCommon Ground Dove
  • Francolinus francolinusBlack Francolin
  • Haemorhous mexicanusHouse Finch
  • Hylocichla mustelinaWood Thrush
Show all 20
  • Melospiza melodiaSong Sparrow
  • Melozone crissalisCalifornia Towhee
  • Ortalis vetulaPlain Chachalaca
  • Pipilo maculatusSpotted Towhee
  • Spinus psaltriaLesser Goldfinch
  • Sturnus vulgarisEuropean Starling
  • Tympanuchus pallidicinctusLesser Prairie-Chicken
  • Zenaida asiaticaWhite-winged Dove
  • Zenaida macrouraMourning Dove
  • Zonotrichia atricapillaGolden-crowned Sparrow
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Euphorbiaceae

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Crotonopsis elliptica; Glade Croton; Willdenows Croton

Conservation status

Arkansas rankSNR
Global rankG5
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources