Shale Barren Nodding Onion
Allium oxyphilum
Found in shale barrens, on strongly acidic shales. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
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Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
Not yet recorded · Height · Spread · Light · Soil · Life cycle · Leaves · Bloom
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 5 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Steep, sun-baked slopes of loose shale with sparse oaks and Virginia pine and their own endemic wildflowers. Linked only where the source names shale barrens; calcareous shale stays with the limestone glades.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 126 animals.
- Fox SparrowPasserella iliaca
- Golden-winged WarblerVermivora chrysoptera
- Hermit ThrushCatharus guttatus
- Hooded MerganserLophodytes cucullatus
- Northern Saw-whet OwlAegolius acadicus
- Pileated WoodpeckerDryocopus pileatus
- Pine SiskinCarduelis pinus
- Red-bellied WoodpeckerMelanerpes carolinus
- Red-breasted NuthatchSitta canadensis
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Red-winged BlackbirdAgelaius phoeniceus
- Ruby-throated HummingbirdArchilochus colubris
- Ruffed GrouseBonasa umbellus
- Summer TanagerPiranga rubra
- Wood ThrushHylocichla mustelina
- Yellow-bellied SapsuckerSphyrapicus varius
- Alder FlycatcherEmpidonax alnorum
- American CrowCorvus brachyrhynchos
- American RedstartSetophaga ruticilla
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Bank SwallowRiparia riparia
- Barred OwlStrix varia
- Black VultureCoragyps atratus
Who uses this plant?
19CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Allium
- Agrotis gladiariaSwordsman Dart, Clay-Backed Cut-Worm
- Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
- Anarta trifoliiThe Nutmeg, Clover Cutworm
- Anicla infectaGreen Cutworm Moth
- Archips argyrospilaFruit-Tree Leafroller Moth
- Chrysodeixis includensSoybean Looper Moth
- Elasmopalpus lignosellaLesser Cornstalk Borer
- Estigmene acreaSalt Marsh Moth, Acrea Moth
- Euxoa messoriaReaper Dart, Darksided Cutworm, Dark-Sided Cutworm
- Euxoa tessellataTessellate Dart, Striped Cutworm
Show all 19
- Feltia subterraneaSubterranean Dart, Granulate Cutworm
- Melanchra pictaPainted Arches, Zebra Caterpillar Moth
- Mythimna unipunctaArmyworm Moth, White Speck
- Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
- Spodoptera eridaniaSouthern Armyworm Moth
- Spodoptera frugiperdaFall Armyworm Moth
- Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
- Xestia c-nigrumSpotted Cut-Worm, Setaceous Hebrew Character, Lesser Black-letter Dart
- Xestia dolosaGreater Black-Letter Dart, Greater Spotted Cutworm
20BeesSoutheastern regional records
Southeastern regional records · Allium
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
2BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Allium
- Alectoris chukarChukar
- Meleagris gallopavoWild Turkey
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
Plant details
- Family
- Family not recorded
Conservation status
| Virginia rank | S1 |
|---|---|
| Global rank | Not available |
| VA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
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Sources
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- Weakley, Flora of the Southeastern United States (2025), Northern Tier edition
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- 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
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

























