Penstemon speciosus

Royal penstemon

Dougl. 1829 - Edwards's Bot. Reg. 15: t. 1270 (1829)


Specifications

Images

Synonyms

Penstemon rex A.Nelson & J.F.Macbr.

Penstemon deserticola Piper

Penstemon pilifer A.Heller

Penstemon glaber var. speciosus (Douglas) Regel

Penstemon speciosus var. pilifer (A.Heller) Munz & I.M.Johnst.

Penstemon kennedyi A.Nelson

Penstemon speciosus subsp. typicus D.D.Keck

Penstemon speciosus subsp. kennedyi (A.Nelson) D.D.Keck

Penstemon glaber f. speciosus (Douglas) Voss