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Slender Rockcress

Arabis pycnocarpa var. adpressipilis

In the Carolinas and Georgia, found in thin soils near outcrops of mafic or other rock weathering to nutrient-rich soils. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

23
Good

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

Profile 59%

Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

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

Bloom
April to May
Fruiting season
May to June

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.

County records are not available.

Natural habitats

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

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.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 65 animals.

All wildlife of Arkansas

Ecological relationships

Who uses this plant?

What these records mean

2CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Arabis

  • Hellula rogatalisCabbage Webworm
  • Pontia protodiceCheckered White
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
3BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Alectoris chukarChukar
  • Centrocercus urophasianusGreater Sage-Grouse
  • Leucosticte atrataBlack Rosy-Finch
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
Brassicaceae
Fruit begins
May
Fruit ends
June
Growing sources and scope
Also known as

Arabis hirsuta var. adpressipilis; Arabis hirsuta var. pycnocarpa; Arabis pycnocarpa var. adpressipilis; Arabis pycnocarpa var. pycnocarpa

Conservation status

Arkansas rankS1?
Global rankG5T4 [G4]
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

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How to check your spot

Sources