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common hedge-mustard, common tumble-mustard, hedge mustard

eastern rocket, eastern tumble-mustard, Indian hedge-mustard

Habit Annuals; glabrous or pubescent. Annuals; glabrous or pubescent.
Stems

erect, branched distally, 2.5–7.5(–11) dm, usually sparsely to densely hirsute, (trichomes retrorse), rarely glabrate distally.

erect, branched distally, (1–)2–7(–8.5) dm, sparsely to densely (soft) pubescent at least basally, usually glabrous distally.

Basal leaves

usually rosulate;

petiole (1–)2–7(–10) cm;

blade broadly oblanceolate or oblong-obovate (in outline), (2–)3–10(–15) cm × (10–)20–50(–80) mm, margins lyrate-pinnatifid, pinnatisect, or runcinate;

lobes (2)3 or 4(5) on each side, oblong or lanceolate, smaller than terminal lobe, margins entire, dentate, or lobed, (terminal lobe suborbicular or deltate, margins dentate).

rosulate;

petiole (1–)2–5(–9) cm;

blade broadly oblanceolate to oblong-oblanceolate (in outline), 3–8(–10) cm × (10–)20–40(–60) mm, margins runcinate-pinnatipartite;

lobes 2–5 on each side, oblong or lanceolate, much smaller than terminal lobe, margins subentire or dentate, (terminal lobe lanceolate, deltate, or often hastate).

Cauline leaves

similar to basal;

blade with lobe margins dentate or subentire.

similar to basal; (distalmost) blade with 1 or 2 lobes on each side, much smaller than terminal lobe, (terminal lobe narrowly lanceolate, linear, or hastate).

Flowers

sepals erect, oblong-ovate, 2–2.5 × ca. 1 mm;

petals spatulate, 2.5–4 × 1–2 mm, claw 1–2 mm;

filaments (erect, yellowish), 2–3 mm;

anthers ovate, 0.3–0.5 mm.

sepals ascending, oblong, 3.5–5.5 × 1–2 mm;

petals spatulate, (6–)7–9(–10) × 2.5–4 mm, claw 3–5.5 mm;

filaments (4–)5–8 mm;

anthers oblong, 1–1.8 mm.

Fruiting pedicels

erect, (appressed to rachis), stout, narrower than fruit, 1.5–3(–4) mm.

ascending to subdivaricate, stout, nearly as wide as fruit, 3–6 mm.

Fruits

(erect), subulate-linear, straight, slightly torulose or smooth, stout, (0.7–)1–1.4(–1.8) cm × 1–1.5 mm;

valves glabrous or pubescent;

ovules 10–20 per ovary;

style (0.8–)1–1.5(–2) mm;

stigma slightly 2-lobed.

narrowly linear, straight, smooth, stout, (5–)6–10(–13) cm × 1–1.5 mm;

valves glabrous or pubescent;

ovules (60–)80–100(–140) per ovary;

style (subclavate), 1–3(–4) mm;

stigma prominently 2-lobed.

Seeds

1–1.3 × 0.5–0.6 mm.

1–1.5 × 0.7–0.9 mm.

2n

= 14.

= 14.

Sisymbrium officinale

Sisymbrium orientale

Phenology Flowering Apr-late Sep. Flowering Mar-early Jun.
Habitat Roadsides, fields, pastures, waste grounds, deserts Waste grounds, roadsides, disturbed sites
Elevation 0-2200 m (0-7200 ft) 0-1300 m (0-4300 ft)
Distribution
from FNA
AK; AL; AR; CA; CT; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; NH; NJ; NM; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; AB; BC; MB; NB; NF; NS; NT; ON; PE; QC; YT; Europe; Asia; n Africa [Introduced in North America; introduced also in Central America, South America, Australia]
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA; MA; NV; OR; TX; WA; BC; Europe; sw Asia; n Africa [Introduced in North America; introduced also in Central America, South America, Australia]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 7, p. 670. FNA vol. 7, p. 670.
Parent taxa Brassicaceae > tribe Sisymbrieae > Sisymbrium Brassicaceae > tribe Sisymbrieae > Sisymbrium
Sibling taxa
S. altissimum, S. erysimoides, S. irio, S. linifolium, S. loeselii, S. orientale, S. polyceratium
S. altissimum, S. erysimoides, S. irio, S. linifolium, S. loeselii, S. officinale, S. polyceratium
Synonyms Erysimum officinale, S. officinale var. leiocarpum
Name authority (Linnaeus) Scopoli: Fl. Carniol. ed. 2, 2: 26. (1772) Linnaeus: Cent. Pl. II, 24. (1756)
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