Penstemon triphyllus

Photo by: Andrea D. Wolfeİ
Location: Wallowa Mts, Oregon

Penstemon triphyllus picture Penstemon triphyllus is a member of Penstemon subg. Saccanthera sect. Saccanthera subsect. Serrulati (Bennett et al. 1987). It is unusual in having whorls of three leaves at each node.

Bibliography and suggested readings

Bennett, R. W., K. Lodewick, and R. Lodewick. 1987. Penstemon nomenclature. Eugene, OR: American Penstemon Society.

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Penstemon Website

Wolfe Homepage

Research Interests

Wolfe Lab Homepage

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Last updated December 17, 1996.