NEON Biorepository Data Portal

Penstemon
Family: Plantaginaceae Max Licher	Gleason & Cronquist Resources Vascular plants of NE US and adjacent Canada Cal herbaceous, deeply 5-parted; cor tubular or trumpet-shaped, ±distinctly bilabiate, the tube much longer than the lobes; fertile stamens 4, about as long as the tube, the pollen-sacs divaricate; sterile stamen about as long as the fertile ones, usually yellow-bearded toward the tip; style elongate; stigma capitate; fr septicidal; ours (biennial or) perennial herbs, the erect stems arising from a rosette of petioled basal lvs, the cauline lvs oblong to lanceolate or ovate, sessile and often clasping, the upper progressively reduced; fls white to blue-violet or red-violet (red in some extralimital spp.), in terminal paniculiform or racemiform infls. Our spp. all with highly variable lvs, much alike from sp. to sp. 280, mainly N. Amer. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
<< 1 - 50 taxa >> Penstemon abietinus Images not available Map not Available Penstemon absarokensis Images not available Map not Available Penstemon acaulis Images not available Map not Available Penstemon acuminatus Images not available Map not Available Penstemon alamosensis Images not available Map not Available Penstemon albertinus Images not available Map not Available Penstemon albidus Map not Available Penstemon albomarginatus Map not Available Penstemon alluviorum Images not available Map not Available Penstemon ambiguus Map not Available Penstemon ammophilus Images not available Map not Available Penstemon anguineus Images not available Map not Available Penstemon angustifolius Map not Available Penstemon arenarius Images not available Map not Available Penstemon arenicola Images not available Map not Available Penstemon aridus Images not available Map not Available Penstemon arkansanus Images not available Map not Available Penstemon attenuatus Images not available Map not Available Penstemon atwoodii Map not Available Penstemon auriberbis Images not available Map not Available Penstemon australis Images not available Map not Available Penstemon azureus Images not available Map not Available Penstemon baccharifolius Map not Available Penstemon barbatus Map not Available Penstemon barnebyi Images not available Map not Available Penstemon barrettiae Images not available Map not Available Penstemon bicolor Images not available Map not Available Penstemon bracteatus Map not Available Penstemon breviculus Map not Available Penstemon bryantiae Images not available Map not Available Penstemon buckleyi Map not Available Penstemon caesius Images not available Map not Available Penstemon caespitosus Map not Available Penstemon calcareus Images not available Map not Available Penstemon californicus Images not available Map not Available Penstemon calycosus Map not Available Penstemon canescens Images not available Map not Available Penstemon cardinalis Images not available Map not Available Penstemon cardwellii Images not available Map not Available Penstemon carnosus Map not Available Penstemon caryi Images not available Map not Available Penstemon centranthifolius Images not available Map not Available Penstemon cinicola Map not Available Penstemon clevelandii Images not available Map not Available Penstemon clutei Map not Available Penstemon cobaea Images not available Map not Available Penstemon comarrhenus Map not Available Penstemon compactus Images not available Map not Available Penstemon concinnus Images not available Map not Available Penstemon confertus Images not available Map not Available