Arabis adpressipilis (M. Hopkins) Al-Shehbaz. Slender Rockcress, Hairy Rockcress. Phen: Apr-May; May-Jun. Hab: Thin soils near outcrops of mafic or other rock weathering to nutrient-rich soils. Dist: OH to IL, south to c. TN and AR; disjunct east of the Blue Ridge Mountains in NC.
Origin/Endemic status: Native
Syn: = K4, Al-Shehbaz (2017); = Arabis hirsuta var. adpressipilis – C, F, G, Pa, Al-Shehbaz (1988a), Rollins (1993); = Arabis pycnocarpa var. adpressipilis – FNA7, Il, K3, NY, Tn, Va, Hopkins (1937); < Arabis hirsuta var. pycnocarpa – K1; > Arabis ovata – S, misapplied
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© Gary P. Fleming
© Gary P. Fleming