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Saxifraga tricuspidata Rottb.

16 Photos.
A small mat forming species known as the "prickly saxifrage" or "three-toothed saxifrage"

ITIS Taxonomic Serial No. 24246


1.  Late May.  Blossom at an early stage with plump anthers, no paired styles, and intensely
colored spots on the petals.

 

 

 

 

 

 

 


2.  Mid-April.  Basal leaves of a plant in a mat.
The red fall and winter color is common but not
predominant and tends to be associated with
plants growing on decomposed granite.


3.  Late April.  Later top view of the basal
leaves of a plant in a mat.




4.  Mid-May.  A circular mat.  The intense red
color is fading .




5.  May 13, 2009.  Plant adjacent to the
plant in photo 4, but taken two years later.  There
was not much color to the plants in the later year.



6.  Late May.  Red plants with buds and blossoms,
one of which is shown in photo 1.  The sepals have
red tips and the bracts are red.



7.  Early June.  New buds and the remains of
last years follicles.




8.  Early June.  A terminal cluster of buds with
just a point of red on the tips of the sepals.
The bracts also have red tips.



9.  Late June.  A matted group of plants.





10.  Late June.  A closer view of the mat in
photo 9.




11.  Late June.  A blossom from the mat
in photo 9 with only yellow
spots on the petals and a pistil with
a single style.  The petal at the lower
right has multi-colored spots.




12.  Late June.  Highly colored blossoms on
green stemmed plants.  Most of the pistils
have white paired styles.  Note the petalless
blossom with red-tipped green styles and green
filaments in the background.




13.  Mid-June.  Two terminal clusters of
blossoms sans petals.  Note the red lower stems,
red-tipped bracts, green sepals, pairs of red-tipped
styles and the persistent white filaments.
Stem with previous year's follicles is entwined
with the new stems on the left.



14.  Late September.  A group of plants in
fall color on jumbled granite scree.




15.  May 20, 2009.  A small green mat on
decomposed granite.




16.  July 24, 2009.  Upper stems which have gone
to seed.  The petals have dropped.  However,
the sepals and the stamens are still present.


Photo 1 taken along the Ketchem Creek Road
(exact location not noted).

Photos 2, 12, 14 and 15 taken on the
granite tors along Bottom Dollar Creek
above the confluence with Half Dollar Creek.
65°  25.23' N,   144°  48.43' W
Elev. 1900 ft.

Photos 3-8, 13 and 16 taken on the Ketchem Rocks.
A series of granite tors located
six miles south of Central, Alaska.
65°  29.1' N,  144° 45.2' W

Photos 9-11 taken on a mountain 4 miles
southeast of Portage Summit.
65°  24.394' N,  144°  37.192' W
Elev. 2700 ft.