Erect Cinquefoil, Sulpher Cinquefoil
Potentilla recta
Synonyms: Hypargyrium rectum, Potentilla recta var. obscura, Potentilla recta var. pilosa, Potentilla recta var. sulphurea, Potentilla sulphurea
The photo above shows the underside of the palmately compound leaves of erect cinquefoil. Note the greenish appearance of the underside of the leaflets, the long spreading hairs from the main veins, and the deeply incised margins of the leaflets. Photographed at the northeastern entrance to Trombetta Canyon in northeastern Washington.......June 24, 2006.
The photo above shows a close-up of the underside of the flower of erect cinquefoil. The petals are clearly about twice as long as the sepals. Photographed at the northeastern entrance to Trombetta Canyon in northeastern Washington........June 24, 2006.
The photo above shows the leafy stem of erect cinquefoil with the stem leaves held close to the stem. Note the large, leafy pair of stipules at the base of each palmately compound leaf. Photographed at the northeastern entrance to Trombetta Canyon in northeastern Washington.........June 24, 2006.
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The photos above shows the upper (left) and lower (right) surfaces of
a leaf of sulpher cinquefoil as seen along road #82 at SnowKing SnowPark on
the southern slopes of Mt. Adams..........October 14, 2005. The
hairs appear to be gland-tipped.
A close-up of the lower
surface of one leaflet of sulpher cinquefoil. Note the spreading hairs along
with short, gland-tipped hairs which are most evident along the margins.