Penstemon hesperius M. Peck

Washington: Clark: [locality and coordinates withheld; status in Washington: G1/S1 (Endangered; WANHP)],
Opening in Quercus garryana-Fraxinus latifolia forest in slight depression with fine clay-loam soil. Area is seasonally flooded but dry now. Understory with Rubus bifrons, Cirsium arvense, Ranunculus uncinatus, Poa pratensis, Rumex salicifolius, Myosotis laxa, and Carex unilateralis. HerbariumSpecimenDuplicate: Penstemon hesperius Perennial 2-3 ft tall, small purple-flowered. Anthers open across connective. Locally dense, with 75-100 plants. Colony is 4 x 16 ft. Penstemon cover 50%. Https://intermountainbiota.org/portal/collections/individual/index.php?occid=33281339. Phenology: Flowering.

Walter Fertig 32583, May 31, 2018
With Dave Wilderman
WS, Catalog: 412357, WS035773