Species Identification

Interested in the identification of penstemons? Please select a species then click on submit:

AttributeThe current selection is Penstemon_peckii
ClassificationPenstemon Penstemon Penstemon Proceri
GeneralPeck’s Penstemon Rare endemic It is very closely related to P. procerus v. brachyanthus and P. cinicola, with which it could easily be confused. It is found on only about 3 creek drainages in Deschutes, Co., OR while P. cinicola is scattered along the Deschutes river basin and south into n CA. Blooms: Summer.
Anther0.4-0.5 mm long, smooth, sacs opening complete, nearly round when fully open and flat.
StaminodeSparsely bearded with a few short hairs and noticeably expanded on the end.
LeavesNearly all on stems, 2-5 cm (3/4-2”) long, linear to narrowly elliptic on the middle stem, tapered to winged stems and reduced on lower stems, green and densely fine-hairy.
Stems2.5-7 dm (10-28”) tall, long and very slender with a few sterile shoots at the base, glandular (sticky) in the herbage and smooth or finely hairy on lower stems, often red or purple.
InflorescenseStrongly glandular, open and quite narrow to moderately spreading, of 3 to 10 well-separated verticillasters, the cymes 2- to 6-flowered on fairly long stems below, covering 1/3 to ˝ their stems.
CorollaSmall, 6-10 mm (to 3/8”) long, tube narrow, lips modestly spreading (not distinctly 2-lipped), sticky, pale blue to lavender, nearly white, rarely pink, tending to angle downward in the lower inflorescence.
Flower Color
Calyx2-3 mm (1/8”) long, glandular, sepals mostly lanceolate and entire with thin edges, acute to acuminate at tip.
HabitatDry volcanic soil, usually with ponderosa pine.
RangeEndemic to the east slope and base of the Cascades in Deschutes Cos., OR.