Rydberg's Penstemon
Penstemon rydbergii var. oreocharis
Close-up of the inflorescence of Rydberg's penstemon as seen in wet forest along Troh Lane at Conboy Lake National Wildlife Refuge............June 17, 2014.
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Additional close-up images of Rydberg's penstemon as seen in wet forest along Troh Lane at Conboy Lake National Wildlife Refuge............June 17, 2014.
The photo above shows Rydberg's penstemon
as seen at about 4100' along Road S1750 on the east side of King Mt., which
is on the southeastern slopes of Mt. Adams.........July 9, 2006.
The photo above shows a close-up frontal view of the flower of
Rydberg's penstemon as seen at about 4100' along Road S1750 on the east side
of King Mt., which is on the southeastern slopes of Mt. Adams..........July
9, 2006. The glabrous pollen sacs are opposite each other and open fully.
The photo above shows a close-up sideview of the calyx and corolla
of Rydberg's penstemon as seen at about 4100' along Road S1750 on the east side
of King Mt., which is on the southeastern slopes of Mt. Adams........July
9, 2006. Note the glabrous exterior surface of the corolla, which helps limit
the choices of species that this could be. The corolla is about 15 mm long.
The photo above shows a close-up of the stamens and fuzzy-tipped
staminode of Rydberg's penstemon as seen at about 4100' along Road S1750 on
the east side of King Mt., which is on the southeastern slopes of Mt. Adams..........July
9, 2006.
The photo above shows a close-up of a pair of sessile, midstem
leaves of Rydberg's penstemon as seen at about 4100' along Road S1750 on the
east side of King Mt., which is on the southeastern slopes of Mt. Adams.........July
9, 2006.
Paul Slichter