''Penstemon sudans'' is a species of penstemon known by the common name Susanville beardtongue. It is native to northern

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

and northeastern

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

, especially in the vicinity of

Susanville Susanville (formerly known as Rooptown) is a town in and the county seat of Lassen County, California, United States. Susanville is located on the Susan River in the southern part of the county, at an elevation of . Its population is 16,728 a ...

, where it grows in scrub and forest habitat, often in rocky soils. It is a glandular, sticky

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

growing erect to a maximum height over half a meter. The toothed, oval leaves are 3 to 6 centimeters long. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

bears tubular flowers with wide mouths each divided into a double-lobed upper lip and a triple-lobed lower lip, the whole flower about a centimeter in length. It is cream-colored with dark-red lines.

External links

Jepson Manual TreatmentPhoto gallery
sudans Flora of California Flora of Nevada Flora without expected TNC conservation status {{Plantaginaceae-stub