https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:{82146804-52F1-4B8E-A2CE-F81317B6DE80}
Asclepias quadrifolia Jacquin. Fourleaf Milkweed, Whorled Milkweed. Phen: (Mar-) Apr-Aug (-Sep); May-Nov. Hab: Moist to dryish forests and forest margins, most common on mafic and calcareous substrates. Dist: NH and NY west to IN, south to NC, n. GA, n. AL, and c. TN; also from w. IL west to MO, south to AR and OK.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA14, G, GrPl, Il, K1, K3, K4, Mo2, NE, NY, Ok, Pa, RAB, S, Tat, Tn, Va, W, Woodson (1954)
Heliophily: 3
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© Will Stuart | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Scott Ward | Original Image ⭷
© Will Stuart | Original Image ⭷
© Alan M. Cressler | Original Image ⭷
© Erik Danielson source | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Scott Ward | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷Feedback
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