Page author: Don Knoke
Panicum miliaceum

Distribution: Introduced and cultivated in many parts of the United States; occasionally escaping and persisting in the Pacific Northwest.

Habitat: Abandoned fields, roadsides, waste ground.

Flowers: July - September

Origin: Introduced

Conservation Status: Not of concern


Annual, the culms up to 1 m. tall, covered with hairs 2-5 mm. long from little blisters.


Sheaths open; articulation below the glumes; ligules composed of straight hairs about 2 mm. long; blades 7-15 mm. broad.


Inflorescence a somewhat congested panicle 10-30 cm. long, the branches erect, scabrous; spikelets 2-flowered, about 4.5 mm. long; glumes strongly nerved, glabrous, acuminate, the first 2-3 mm. long, 7-nerved, the second 11-nerved, equal to the sterile first lemma, which is 9- to 11-nerved; palea of sterile flower membranous, bi-lobed, 1.5 mm. long; hardened, fertile upper lemma and palea enclosed by the second glume and sterile lemma.

Accepted Name:
Panicum miliaceum L.

Synonyms & Misapplications:
(none provided)
ssp. miliaceum – broomcorn, hog millet, panic millet, proso millet
ssp. ruderale – broomcorn, hog millet, panic millet
Additional Resources:

PNW Herbaria: Specimen records of Panicum miliaceum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Panicum miliaceum checklist entry.

E-Flora BC: Panicum miliaceum atlas page.

CalPhotos: Panicum miliaceum photos.

USDA Plants: Panicum miliaceum information.

15 photographs:
Group by