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Montana Field Guide

Montana Field Guides

Wild Carrot - Daucus carota

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Biennial with a stout taproot. Stems erect, simple or branched, 20–100 cm. Herbage glabrate to hirsute. Leaves basal and cauline, petiolate; blades lanceolate to ovate in outline, 5–20 cm long, bipinnate; leaflets deeply lobed, crowded. Umbels compound; peduncles 10–30 cm long; rays unequal, 2–4 cm long; involucral bracts 1–4 cm long, pinnate with widely-spaced, linear lobes; involucel bracts linear or 3-lobed, 4–15 mm long, ciliate. Flowers white; central flower of central umbel often purple; sepals minute; petals ca. 0.5 mm long; stylopodium conical. Mericarps elliptic, slightly compressed parallel to the commissure, 3–4 mm long; ribs with barbed prickles; oil tubes solitary in the intervals (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
A similar umbellifer, Carum carvi (caraway), is distinguished from D. carota by small umbellets that are separate from each other; inconspicuous, narrow bracts below the umbel; ribbed seeds without bristles that give the odor of caraway when crushed; and glabrous leaves and flower stalks.

Range Comments
Introduced throughout N. America; native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
  • Additional ReferencesLegend:   View Online Publication
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    • Gross, K. L., and P. A. Werner. 1982. Colonizing abilities of "biennial" plant species in relation to ground cover: Implications for their distributions in a successful sere. Ecology 63(4):921-931.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Rydberg, P. A. 1971. Flora of the prairies and plains of central North America. Dover Publications, N.Y. 503 pp. 2 vol.
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Citation for data on this website:
Wild Carrot — Daucus carota.  Montana Field Guide.  .  Retrieved on , from