Anethum graveolens
dill
Specimens
Photos

Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.

Habitat: Roadsides, fields, wastelots, and other disturbed open areas.

Flowers: May-August

Origin: Introduced from Asia

Conservation Status: Not of concern

Description:
General:

Annual, 0.5--2 m tall, taprooted; herbage glabrous, glaucous, anise-scented; stems erect, branched, hollow.

Leaves:

Leaves generally cauline, alternate; petiole 5-6 cm long; blade 12-35 cm, oblong to obovate, pinnately dissected, segments 4-20 mm, thread-like.

Flowers:

Umbels compound, peduncled; bracts, bractlets 0; rays, pedicels many, slender, equal length, spreading or spreading-ascending; no calyx lobes; petals wide, yellow, tips narrowed.

Fruit:

Mericarps 2-4.5 mm, ovate, compressed front-to-back, glabrous; ribs unequal, marginal narrowly winged, others thread-like; oil tubes 1 per rib-interval; fruit axis divided to base; seeds flat-faced.

Accepted Name:
Anethum graveolens L.
Publication: Sp. Pl. 1: 263. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Anethum graveolens in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Anethum graveolens checklist entry.

E-Flora BC: Anethum graveolens atlas page.

CalPhotos: Anethum graveolens photos.

USDA Plants: Anethum graveolens information.

1 photographs:
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