Flora of the Southeastern United States
2022 Edition

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PRIMULACEAE

Lysimachia asperulifolia Poiret. Pocosin Loosestrife, ‘Roughleaf Loosestrife’. Phen: May-Jun; Aug-Oct. Hab: Low pocosins, high pocosins, streamhead pocosins, savanna-pocosin ecotones, sandhill-pocosin ecotones. Dist: Endemic to the Coastal Plain of NC and SC.

ID notes: L. asperulifolia is a very distinctive species, easily recognized vegetatively by its whorls (or opposite on smaller plants) of sessile, rounded-based, acuminate, bluish-green (to yellowish-green when shaded or otherwise stressed) leaves on an unbranched stem 0.5-1 m in height. Young or depauperate plants may produce only opposite leaves and no flowers. When stems are injured or subjected to herbivory, they produce branches below the damaged site.

Origin/Endemic status: Endemic

Syn: = FNA8, K1; = Lysimachia asperulaefolia – GW2, RAB, S, (orthographic variant)

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image of plant© Bruce A. Sorrie [image randomly selected]
image of plant© Grant Morrow Parkins [image randomly selected]
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