E-Flora BC: Electronic Atlas of the Flora of British Columbia

Neslia paniculata (L.) Desv.
ball mustard (ballmustard)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Robert Flogaus-Faust  Email the photographer   (Photo ID #68292)

E-Flora BC Static Map
Distribution of Neslia paniculata
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Species Information

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Annual herb from a taproot; stems erect, single, usually branched above, 20-90 cm tall, more or less stiff-hairy with stalked, starlike, and branched hairs.
Basal leaves soon deciduous; stem leaves lanceolate to elliptic, entire, 1.5-7 cm long, 2-20 mm wide, hairy with starlike or branched hairs, unstalked, with ear-like lobes at the base, becoming narrowly oblong-lanceolate and reduced above.
Inflorescence much elongating in fruit; flower stalks slender, 6-10 mm long, ascending, straight; petals light yellow, 2-2.5 mm long; sepals greenish, 1.2-2 mm long, glabrous or short-hairy.
Silicles, almost spherical, about 2 mm long, slightly broader, only slightly compressed, walls hardened, conspicuously wrinkled, glabrous; beaks 0.7-1 mm long, persistent or deciduous.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry fields and waste places in the lowland, steppe and montane zones; infrequent in S BC, rare northward; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Neslia paniculata

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 880 880 880
Slope Gradient (%) 10 10 10
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
90 90 90
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 3
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: PP(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Myagrum paniculatum L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References