Agastache breviflora (A. Gray) Epling  |
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Family: Lamiaceae
Trans-Pecos giant hyssop, more, TransPecos giant hyssop
 Arizona State University Herbarium 
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Plant: perennial herb; to 30-75 cm tall, suffrutescent; stems pilose, 1-2.5 mm in diameter at midpoint, ascending, 1 to several, with lateral branches
Leaves: deltoid-ovate to deltoid-lanceolate, 1.5-4.5 cm long, obscurely glandular, darker green above than below, the lower surfaces hirsute, the veins pilose, the blades 1-1.6 times longer than wide; base truncate to truncate-cordate; margin dentate to crenate-serrate; apex acuminate to obtuse
Inflorescence: continuous to interrupted, usually of fewer than 20 verticils
Flowers: calyx rosy-lavender, 5-7.5 mm long, the tube 3.5-5 mm long, appearing plicate, the secondary and primary costae equally thick and rigid; corolla tube 6-7 mm long, purple to rosy-lavender; anthers ca. 0.4 mm long; stamens and style not exceeding the corolla.
Fruit: nutlets, 1.5 mm long, 1 mm wide, oval to oblong
Misc: In mesic or riparian sites or transitional zones of Pinus ponderosa, slopes of mixed conifer forests and some mts; 1600-2450 m (5300-8000 ft); July-Oct
REFERENCES: Christy, Charlotte M. 2003. Lamiaceae. J. Ariz. – Nev. Acad. Sci. Volume 35(2).
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 Arizona State University Herbarium 
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