Wisteria frutescens subsp. macrostachya (Nutt. ex Torr. & A.Gray) J.Compton & Schrire comb. nov.

≡ Wisteria frutescens var. macrostachya Nutt. ex Torr. & A.Gray, Fl. N. Am. 1(2): 283 (1838). Type: U.S.A. Louisiana, [Louis François] Tainturier [s.n..] (fide Nuttall), PH00029452 (PH, holo.!)

≡ Wisteria macrostachya (Nutt. ex Torr. & A.Gray) B.L.Rob. & Fernald, Gray Man. Bot. N. U.S. ed. 7: 515 (1908) [as W. macrostachys]

≡ Kraunhia macrostachya (Nutt. ex Torr. & A. Gray) Small, Bull. Torrey Bot. Club 25: 134-135 (1898) [as K. macrostachys];

≡ Bradlea [as Bradleya macrostachys] macrostachya (Nutt. ex Torr. & A.Gray) Britton, Man. Fl. N. States & Canada 549 (1901). Note: Bradleya is treated as a homonym of Bradlea under Art. 53.2 ex 9 (Turland et al. 2018)

= Diplonyx elegans Raf., Fl. Ludov. 101-102 (1817). Type: Louisiana, Alexandria, J.Hale s.n.., P00680371 (P, neo.!, designated by Compton (2015a)).

= Thyrsanthus floridana Croom, Amer. Journ. Sci. and Arts 25: 75 (1834). Type: " Wisteria speciosa, Thyrsanthus frutescens Ell., river banks Florida", Chapman Herbarium [collector unknown], GH00429033 (GH, neo.!, designated by Compton (2015a)).

= Glycine frutescens var. magnifica Hérincq, L’Horticulteur Français de mil huit cent cinquante et un 5: 220 (1855). Type: [Icon] L’Horticulteur Français de mil huit cent cinquante et un 5: 220 (1855), (lecto.!, designated by Compton (2015a)

≡ Wisteria frutescens var. magnifica ( Hérincq) André, Revue Horticole 1862: 50 (1862).

Illustrations.

Compton in Curtis’s Bot. Mag. 32 (3-4): 237, t. 4 & 5 (2015a).

Distribution.

USA (Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, Oklahoma, South Carolina, Tennessee, Texas).