Steironema tonsum (Alph. Wood) E.P. Bicknell ex Britton. Common name: Southern Loosestrife, Appalachian Loosestrife. Phenology: May-Jul; Aug-Oct. Habitat: Moist to dry upland forests, especially over calcareous or mafic rocks. Distribution: Sc. VA, sw. VA, and KY south to SC, wc. GA, and e. TN. The range is centered on the Southern Appalachians, but the species is essentially absent from the higher mountains – a "doughnut range".
Origin/Endemic status: Endemic
Synonymy ⓘ: = S, S13; = Lysimachia tonsa (Alph.Wood) Alph.Wood ex R.Knuth — C, F, FNA8, K4, RAB, Tn, Va, W, WV, Coffey & Jones (1980), Estes, Shaw, & Mausert-Mooney (2015); =? Steironema intermedium Kearney — G. Basionym: Lysimachia ciliata L. var. tonsa Alph.Wood 1861
Links to other floras: = Lysimachia tonsa - FNA8
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Heliophily ⓘ: 4
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© Gary P. Fleming | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Alan Cressler: Lysimachia tonsa, Lookout Mountain, Dade County, Georgia 3 by Alan Cressler source | Original Image ⭷Feedback
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