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Brassica elongata Ehrh.
Elongated mustard

Life   Plantae   Dicotyledoneae   Brassicaceae   Brassica

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Brassica elongata, seed
© Copyright Seeds USID 2015 · 1
Brassica elongata, seed

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FamilyScientific name @ source (records)
Peronosporaceae  Peronospora parasitica @ BPI (1)

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Brassica elongata Ehrh.
elongated mustard

General Information
Symbol: BREL2
Group: Dicot
Family: Brassicaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   I
Data Source and Documentation
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   




Symbol Scientific Name
BRELI Brassica elongata Ehrh. ssp. integrifolia (Boiss.) Breistr.
ERAR23 Erucastrum armoracioides (Czern. ex Turcz.) Cruchet


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Capparales
Family Brassicaceae ⁄ Cruciferae – Mustard family
Genus Brassica L. – mustard
Species Brassica elongata Ehrh. – elongated mustard

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Michigan Brassica
mustard Noxious weed

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (BREL2)
Integrated Taxonomic Information System (BREL2)
Integrated Taxonomic Information System (BRELI)
Integrated Taxonomic Information System (ERAR23)
Related Websites
European Nature Information System (BREL2)
Flora Europaea (BREL2)
UK-Plants For A Future (BREL2)
www.brassica.info (BREL2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Link to Flora of North America home
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FNA Vol. 7 Page 420 , 421 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Brassica

1. Brassica elongata Ehrhart, Beitr. Naturk. 7: 159. 1792.

Biennials or perennials; (short-lived, often woody basally); glabrous or hirsute. Stems (several from base), branched basally, 5-10 dm, (usually glabrous, rarely sparsely hirsute). Basal leaves: blade (usually bright green), obovate to elliptic (not lobed), (3-)5-20(-30) cm × (5-)10-35(-60) mm, (base cuneate), margins subentire to dentate, (surfaces glabrous or often with trichomes minute, tubercled-based, curved, coarse). Cauline leaves (distal) shortly petiolate; blade (oblong or lanceolate, to 10 cm) base not auriculate or amplexicaul. Racemes paniculately branched. Fruiting pedicels spreading to divaricately ascending, (6-)8-18 mm. Flowers: sepals 3-4(-4.5) × 1-1.5 mm; petals bright yellow to orange-yellow, obovate, (5-)7-10 × 2.5-3.5(-4) mm, claw 2.5-4 mm, apex rounded; filaments 3.5-4.5 mm; anthers 1-1.5 mm; gynophore 1.5-4(-5) mm in fruit. Fruits (stipitate), spreading to ascending (not appressed to rachis), torulose, terete, (1.5-)2-4(-4.8) cm × (1-)1.5-2 mm; valvular segment with (2-)5-11(-13) seeds per locule, (1.2-)1.6-4(-4.5) cm, terminal segment seedless, 0.5-2.5(-3) mm. Seeds grey to brown, 1-1.6 mm diam.; seed coat reticulate, mucilaginous when wetted. 2 n = 22.

Flowering Jun-Jul. Roadsides, disturbed ground, adjacent open juniper and sagebrush desert areas; 0-2700 m; introduced; Nev., Oreg., Wash.; Europe; Asia; n Africa; introduced also in Australia.

The earliest North American collections of Brassica elongata were from ballast at Linnton, near Portland, Oregon, in 1911, and from a garden in Bingen, Klickitat County, Washington, in 1915. The species does not appear to have persisted at, or spread from, either location (R. C. Rollins and I. A. Al-Shehbaz 1986). It was next collected in 1968 from east-central Nevada, where it is now well-established in Eureka and White Pine counties, and just into Lander County, and spreading rapidly along both roadsides and adjacent high desert (Rollins 1980; Rollins and Al-Shehbaz; Rollins 1993). The semiarid region of North America appears to be a well-suited habitat for B. elongata and the species appears destined to become a permanent part of the flora of the Intermountain Basin (Rollins and Al-Shehbaz).

According to R. C. Rollins (1980), the Nevada plants belong to subsp. integrifolia (Boissier) Breistroffer, but the species is so variable that dividing it into infraspecific taxa is not practical.

Updated: 2020-05-29 18:44:40 gmt
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