n.large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America
同义词：genus Penstemon
Diploid hybrid speciation in Penstemon (Scrophulariaceae).
Dynamic nectar replenishment in flowers of Penstemon (Scrophulariaceae)
Factors limiting hybridization between Penstemon spectabilis and Penstemon centranthifolius.
Pollen presentation and pollination syndromes, with special reference to Penstemon
Evidence of chloroplast capture and pollen-mediated gene flow in Penstemon sect. Peltanthera (Scrophulariaceae).
Heritability of floral traits for the perennial wild flower Penstemon centranthifolius (Scrophulariaceae): clones and crosses
'Anti-bee' and 'pro-bird' changes during the evolution of hummingbird pollination in Penstemon flowers
Assessing hybridization in natural populations of Penstemon (Scrophulariaceae) using hypervariable intersimple sequence repeat (ISSR...
Pollen transfer by hummingbirds and bumblebees, and the divergence of pollination modes in Penstemon
‘Anti‐bee’ and ‘pro‐bird’ changes during the evolution of hummingbird pollination in Penstemon flowers
