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Support the Flora of the Southeastern US

2024 has been a banner year for making the best flora we can imagine. We've created:
With financial support from people like you, we are aiming even higher in 2025. Together we can accomplish all this: Vote on our 2025 priorities
  • Add Global Conservation Ranks (GRanks) vote
  • Professional graphic keys (polyclaves) to individual families/genera vote
  • 2 new FloraQuest apps: Florida & Mid-South vote
  • Image overlays highlighting diagnostic characters with arrows vote
  • iNaturalist integration in FloraQuest vote
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We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
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References

For Stewartia

Li, J., P. del Tredici, S. Yang, and M.J. Donoghue. 2002a. Phylogenetic relationships and biogeography of Stewartia (Camellioideae, Theaceae) inferred from nuclear ribosomal DNA ITS sequences. Rhodora 104: 117-133. Google Scholar

Lin, H.Y., Y.-J. Hao, J.-H. Li, C.-X. Fu, P.S. Soltis, D.E. Soltis, and Y.-P. Zhao. 2019a. Phylogenomic conflict resulting from ancient introgression following species diversification in Stewartia s.l. (Theaceae). Molec. Phylogen. Evol. 135: 1-11. Google Scholar

Prince, L.M. 2002. Circumscription and biogeographic patterns in the eastern North American – east Asian genus Stewartia (Theaceae: Stewartieae): insight from chloroplast and nuclear DNA sequence data. Castanea 67: 290-301. Google Scholar

Prince, L.M. 2009. Theaceae. In Flora of North America Editorial Committee. 2009. Flora of North America north of Mexico. Volume 8, Magnoliophyta: Paeoniaceae to Ericaceae. Oxford Univ. Press, New York, NY. 585 pp. Google Scholar

Spongberg, S.A. 1974. A review of deciduous-leaved species of Stewartia (Theaceae). J. Arnold Arb. 55: 182-214. Google Scholar

Stevens, Dressler, & Weitzman. 2004. In Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp. Google Scholar

Zhang, Q., L. Zhao, R.A. Folk, J.-L. Zhao, N.A. Zamora, S.-X. Yang, D.E. Soltis, P.S. Soltis, L.-M. Gao, H. Peng, X.-Q. Yu. 2022. Phylotranscriptomics of Theaceae: generic level relationships, reticulation and whole-genome duplication. Annals of Botany Google Scholar