Neslia paniculata

(Linnaeus) Desvaux

J. Bot. Agric. 3: 162. 1815.

Common names: Ball-mustard
WeedyIntroducedIllustrated
Basionym: Myagrum paniculatum Linnaeus Sp. Pl. 2: 641. 1753
Treatment appears in FNA Volume 7. Treatment on page 455.

Plants sparsely to moderately pubescent, fruits glabrous. Stems (1.4–) 2.5–7.5 (–9) dm. Basal leaves shortly petiolate; blade oblanceolate to oblong, 2–7.5 cm × 5–20 mm. Cauline leaves: blade lanceolate, narrowly oblong, or linear-lanceolate, (1.5–) 2.5–7 (–9) cm × (2–) 3–15 (–25) mm, apex acute or acuminate, surfaces sparsely pubescent, trichomes mostly forked. Fruiting pedicels straight or slightly curved upwards, (4–) 6–10 (–14) mm. Flowers: sepals 1.5–1.7 × 0.5–0.7 (–1) mm; petals 2–2.5 × 0.5–0.7 (–1) mm; filaments 1.5–2 mm; anthers 0.2–0.4 mm. Fruits (1.7–) 2–2.2 × (2–) 2.2–2.5 mm; style slender, 0.5–0.9 mm. Seeds 1.2–1.4 × 1–1.1 mm. 2n = 14.


Phenology: Flowering May–Sep.
Habitat: Fields, grassy mountain slopes, plains, roadsides, cultivated fields
Elevation: 0-1000 m

Distribution

V7 694-distribution-map.gif

Introduced; Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., Que., Yukon, Alaska, Conn., Ind., Maine, Mass., Mich., Minn., Mont., N.H., Ohio, Pa., Vt., Europe, Asia, n Africa, also in South America (Argentina), Australia

Discussion

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Neslia paniculata"
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
acuminate +  and acute +
Ihsan A. Al-Shehbaz +
(Linnaeus) Desvaux +
Myagrum paniculatum +
appendaged +  and unappendaged +
7 cm70 mm <br />0.07 m <br /> (9 cm90 mm <br />0.09 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
not +  and auriculate +
2.5 cm25 mm <br />0.025 m <br /> (7 cm70 mm <br />0.07 m <br />) +
denticulate +  and dentate +
linear-lanceolate;oblong;linear-lanceolate;oblong;lanceolate;oblanceolate;oblong +
much smaller +  and reduced +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
subsessile +, petiolate +  and sessile +
well-developed +
distinct +
not differentiated +
Ball-mustard +
emarginate +  and entire +
incumbent +  and accumbent +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, Que. +, Yukon +, Alaska +, Conn. +, Ind. +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, N.H. +, Ohio +, Pa. +, Vt. +, Europe +, Asia +, n Africa +, also in South America (Argentina) +  and Australia +
0-1000 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
actinomorphic +
2-valved +  and capsular +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
sublenticular +, globose +, compressed +  and nutletlike +
latiseptate +  and unsegmented +
indehiscent +  and dehiscent +
angustiseptate +  and terete +
Fields, grassy mountain slopes, plains, roadsides, cultivated fields +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
denticulate +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
2mm;2.5mm +
rudimentary +
spatulate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
Flowering May–Sep. +
trinucleate +  and 3(-11)-colpate +
J. Bot. Agric. +
divaricate-ascending +
slender +
mucilaginous +
uniseriate +  and biseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +  and caducous +
distinct +
oblong-ovate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
Weedy +, Introduced +  and Illustrated +
tetradynamous +
branched +  and unbranched +
procumbent +  and decumbent +
2-lobed +, entire +, conical +  and capitate +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
slender +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
Cruciferae +
Neslia paniculata +
species +
1 cm10 mm <br />0.01 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
curved +  and straight +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
coiled +, 1-7-veined +  and veined +
anastomosing +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +