[The Mint Family East of the Cascade Mts.]
Horse-mints East the Cascade Mts.

The Genus Agastache

Flower of Nettle-leaf Horse-mint, Nettle-leaved Horsemint, Nettle-leaf Giant-hyssop, Nettle-leaved Giant Hyssop: Agastache urticifolia var. urticifola

Nettle-leaf Horse-mint: Agastache urticifolia var. urticifolia

1. Cusick's Horse-mint, Cusick's Giant Hyssop: Agastache cusickii (Synonym: Agastache cusickii var. cusickii) - Plants 10-20 cm high with blades from 1-2 cm long. In our range, only found on the upper cirques of the Steens Mt. in southeastern Oregon.

2. Western Horse-mint: Agastache occidentalis - Plants 40-150 cm high with the blades of most leaves over 3 cm long. The lower surface of the blade is covered with fine, short, whitish hairs. Plants found along the east slope of the Washington Cascades.

3. Nettle-leaf Horse-mint, Nettle-leaved Horsemint, Nettle-leaved Giant Hyssop: Agastache urticifolia var. urticifolia - Plants 40-150 cm high with the blades of most leaves over 3 cm long. The lower surface of the blade is glabrous to covered with short, coarse and stiff hairs. Plants found east of the Columbia River in Washington and widespread east of the Cascade Mts. in Oregon.

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