catnip giant hyssop, yellow giant hyssop
[Hyssopus nepetoides L.]
Etymology: Agastache: from agan, "very much," and stachys, "an ear of corn or wheat," having many spikes
Plants: erect, perennial, 3'-5' tall, aromatic forb; stems square, branching toward the top
Leaves: opposite, coarsely toothed, thin, stalked, rounded at the base, finely hairy beneath
Flowers: green to yellow, 5-parted, 1/3" long, slightly irregular, not hairy; inflorescence dense whorls of flowers forming cylindrical spikes up to 8" ; blooms Aug.-Sept.
Fruits: 1-seeded nutlet
Habitat: partial sun; woods, disturbed areas
Conservation Status: Threatened
Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = FACU WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"