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
Native to Arkansas. How scores work Is it native here?
Profile 59%
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist
No photograph yet. Looking for an old drawing…
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.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 65 animals.
- Ruffed GrouseBonasa umbellus
- Sharp-shinned HawkAccipiter striatus
- Short-eared OwlAsio flammeus
- Snowy OwlBubo scandiacus
- Spotted SandpiperActitis macularius
- Summer TanagerPiranga rubra
- Tree SwallowTachycineta bicolor
- Tufted TitmouseBaeolophus bicolor
- Turkey VultureCathartes aura
- White-breasted NuthatchSitta carolinensis
- White-crowned SparrowZonotrichia leucophrys
- Wild TurkeyMeleagris gallopavo
- Wood ThrushHylocichla mustelina
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-billed CuckooCoccyzus americanus
- Yellow-breasted ChatIcteria virens
- Yellow-rumped WarblerDendroica coronata
Who uses this plant?
2CaterpillarsGenus host records with ranges including AR
Genus host records with ranges including AR · Arabis
- Hellula rogatalisCabbage Webworm
- Pontia protodiceCheckered White
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
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
- Brassicaceae
- Fruit begins
- May
- Fruit ends
- June
Growing sources and scope
- Bloom · “April to May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit begins · “May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “June” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Arabis hirsuta var. adpressipilis; Arabis hirsuta var. pycnocarpa; Arabis pycnocarpa var. adpressipilis; Arabis pycnocarpa var. pycnocarpa
Conservation status
| Arkansas rank | S1? |
|---|---|
| Global rank | G5T4 [G4] |
| AR status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Atlas of the Vascular Plants of Arkansas (2013)
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- NatureServe Explorer
- Arkansas occurrence source
- 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


















