Taxonomy
- Taxonomic Rank
- Variety
- Author
- (Woodson) S.P.McLaughlin
- Publication
- Ann. Missouri Bot. Gard. 69: 348 (1982 publ. 1983)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Gentianales
- Family
- Apocynaceae
- Genus
- Amsonia
- Species
- Amsonia longiflora