Page author: David Giblin
Nepeta cataria
catnip
WTU specimens
Other herbaria

Distribution: Chiefly east of the Cascades in Washington, but in scattered locations on the west side; widely established throughout North America.

Habitat: Roadsides, streambanks, waste places, sometimes in relatively undisturbed areas.

Flowers: June-September

Origin: Introduced from Eurasia

Conservation Status: Not of concern

Description:
General:

Perennial herbs from a taproot, the several, erect, square stems branched upward, 3-10 dm. tall.

Leaves:

Leaves opposite, wholly cauline, scarcely reduced upward, grayish beneath with short hairs, petiolate, coarsely serrate with rounded teeth, the blades triangular-ovate, basally cordate, 2.5-7 cm. long and 1.5-5 cm. wide.

Flowers:

Flowers in short, dense, spike-like clusters 2-8 cm long and 1.5-2.5 cm. wide at the ends of the branches: calyx 5-6 mm. long, the 5 slender, acuminate teeth shorter than the tube, nearly equal; corolla whitish, dotted with purple, shortly exerted from the calyx, two-lipped, the upper lip shallowly 2-lobed, upright, concave, the 4 stamens ascending under it, the upper pair longer than the lower; lower lip spreading, 3-lobed, the broad central lip with small, rounded teeth; style 2-parted; ovary 2-celled, superior.

Fruits:

Nutlets 4

Accepted Name:
Nepeta cataria L.
Publication: Sp. Pl. 2: 570. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Nepeta cataria in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Nepeta cataria checklist entry.

E-Flora BC: Nepeta cataria atlas page.

CalPhotos: Nepeta cataria photos.

USDA Plants: Nepeta cataria information.

33 photographs:
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