Page authors: Don Knoke, David Giblin
Dysphania botrys
Jerusalem oak goosefoot, Jerusalem oak
Specimens
Photos

Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across much of the U.S. and parts of southern Canada.

Habitat: Streambanks, gravel bars, roadsides, and other distrubed, open areas.

Flowers: May-October

Origin: Introduced from Eurasia

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Wind

Description:
General:

Freely-branched, rounded annual 1.5-4 dm. tall, strongly glandular-pubescent and aromatic.

Leaves:

Leaves alternate, the blades oblong to obovate, 2-4 cm. long, wavy-lobed, the main lobes toothed, reduced upward and becoming bract-like; petioles slender.

Flowers:

: Flowers very numerous in long racemes of axillary dichotomous cymes, the inflorescence up to 4/5 the total height of the plant; perianth 5-cleft nearly to the base, the segments ovate-lanceolate; stamens 5, opposite the perianth lobes; styles 2.

Fruits:

The wall of the utricle thin, whitish, the fruit flattened on top, 0.6 mm. broad.

Accepted Name:
Dysphania botrys (L.) Mosyakin & Clemants
Publication: Ukrayins’k. Bot. Zhurn., n. s. 59: 383. 2002.

Synonyms & Misapplications:
Chenopodium botrys L. [HC]
Teloxys botrys (L.) W.A. Weber
Additional Resources:

PNW Herbaria: Specimen records of Dysphania botrys in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Dysphania botrys checklist entry.

OregonFlora: Dysphania botrys information.

E-Flora BC: Dysphania botrys atlas page.

CalPhotos: Dysphania botrys photos.

USDA Plants: Dysphania botrys information.

28 photographs:
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