[The Sunflower Family in Denali National Park and Preserve]

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

Tall Wormwood, Tileus' 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.

Dorsal leaf surface of Tall Wormwood, Tileus' 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) - Ventral leaf surface of Tall Wormwood, Tileus' 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 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.

Tall Wormwood, Tileus' 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 the attractive bushy form of tall wormwood as seen at the eastern base of Highway Pass, Denali National Park...............August 24, 2006.

TTall Wormwood, Tileus' 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 lower stem leaves of tall wormwood as seen near the East Fork Toklat River......................September 4, 2009.

Tall Wormwood, Tileus' 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)

Tall wormwood as seen going to seed at Eilson Visitors Center, Denali National Park and Preserve...............September 6, 2009.

Paul Slichter