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Artemisia tilesii Ledeb.

16 photos.
"Tilesius' sagebrush" is a tall plant found in a variety of habitats.  On Portage summit it lines the road in
August and September, sometimes reaching heights of over five ft. There are 4 subspecies in Alaska.

 

 

 

 

 

 

 


1. Close-up of blooming heads.
Photos 1-8 taken in early July.

2.  Upper section of spikelike inflorescence.

3.  Mid and upper sections of plant.
Note that the upper leaves are linear

4.  Lower section of the plant.

5.  Several rhizomes.

6.  Entire plant.

7.  Close-up of plant base and rhizome.

8.  Mid-section of plant showing underside
of leaves.

9.  Early September.
Multiple-stemmed plant

10. Early September.
Close-up of flower spike.


11.  Late May.  Remains of previous year's
inflorescence.

12.  July 22, 2009.  Subspecies unalaschcensis.
Taller than the more common elatior.

13.  July 22, 2009.  A characteristic of
unalaschcensis is the lanceolate upper leaf.

14.  July 22, 2009.  Another characteristic of
unalaschcensis is the broad-lobed lower leaf.

15.  July 22, 2009.  Branched inflorescence.

16.  July 22, 2009. Close-up of the uppermost
blossoms of the plant in photos 12-15.

Photos 1-8 taken on Mastodon creek.
opposite 42 gulch.
65° 26.941' N   145° 18.952' W
Elev. 2800 ft.

Photos 9-16 taken on Portage summit.
65° 25.918' N   144° 44.057' W
Elev. 2600 ft.