Agastache Gronov

Giant Hyssop

Greek aga — much, stachys — spike, referring to the abundance of flower spikes.

Upright or trailing aromatic perennial herbs with spreading rootstocks. Leaves more or less ovate, with round-toothed margins, occasionally lanceolate or linear with entire margins, stalked. Flower clusters forming dense spikes, sometimes shortly branched, often with leafy bracts. Flowers with calyx 15-veined, with either 5 equal teeth or 3 upper teeth and 2 lower. Corolla 2-lipped, variously coloured. Stamen pairs unequal and usually protruding from the corolla.

Grown mostly as A. foeniculum, for its aromatic foliage.

Seed, division of clumps or by soft or semi-hardwood cuttings.

Various medicinal uses. Several species are used as flavouring for foods and drinks.

Clumping, mostly tall perennials; calyx usually 15-nerved.

About 25 species from C and E Asia, and N America to Mexico.

De Wolf (1953), Sanders (1987).

Source: Spencer, R. (2002). Lamiaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Lamiales
family       Lamiaceae
Higher taxa
Subordinate taxa
species         Agastache foeniculum (Pursh) Kuntze