Penstemon centranthifolius (Benth.) Benth. [ Chelone centranthifolia Benth.]
no HD illustration available (m1)
Penstemon centranthifolius (Benth.) Benth. [ Chelone centranthifolia Benth.] [Scrophulariaceae]
J. Lindley, Edwards’s Bot. Reg., vol. 20 : t. 1737 (1835) [S.A. Drake]