Tileus' Wormwood, Tall Wormwood
Artemisia tilesii
Synonyms: Artemisia hookeriana, Artemisia hultenii, Artemisia tilesii var. aleutica, Artemisia tilesii var. elatior, Artemisia tilesii ssp. gormanii, Artemisia tilesii ssp. hultenii, Artemisia tilesii var. unalaschcensis, Artemisia unalaskensis var. aleutica, Artemisia vulgaris ssp. tilesii
The photo above shows a close-up of the inflorescence subtended by the numerous stem leaves of tall wormwood as seen at the eastern base of Highway Pass, Denali National Park...............August 24,
2006.
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The photo above shows a close-up of the upper (left) and ventral (right) surface of a 3-lobed leaf blade of tall wormwood as seen at the eastern base of Highway Pass, Denali National Park...............August 24, 2006. Note that on this species of wormwood, the upper blade surface is greenish while the the ventral leaf surface is somewhat silvery-hairy.
The photo above shows the attractive bushy form of tall wormwood as seen at the eastern base of Highway Pass, Denali National Park...............August 24, 2006.
The lower stem leaves of tall wormwood as seen near the East Fork Toklat River......................September 4, 2009.
Tall wormwood as seen going to seed at Eilson Visitors Center, Denali National Park and Preserve...............September 6, 2009.
Paul Slichter