Home Brassicaceae
Name Search
Species List
Myagrum perfoliatum L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Species Plantarum 2: 640–641. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 7/23/2009)

Export To PDF Export To Word

Myagrum perfoliatum Linnaeus, Sp. Pl. 2: 640. 1753. TYPE: “Habitat inter Galliae segetes,” (lectotype designated by Hedge (in Jarvis et al., Regnum Veg. 127: 68. 1993): Herb. Linn. No. 819.10 (LINN).

Herbs, annual. Stems 2–5(–6) dm, erect, simple below, rigidly branched at or above middle. Basal leaves short-petiolate, oblanceolate, 2–7 cm x 0.5–1.5 cm, pinnatifid, runcinate, sinuate, or dentate, withered by anthesis; cauline leaves below branches sessile, oblong to lanceolate, (1–)1.5–6(–8) x (0.3–)0.5–2(–2.5) cm, base sagittate to amplexicaul or auriculate, margin entire or denticulate, apex acute or obtuse; leaves of branches similar but progressively smaller upwards, entire. Racemes with numerous flowers; fruiting pedicels 3–5 mm, stout, appressed to rachis, much wider distally. Sepals oblong to ovate, 2.5–3.5 x 0.6–1.4 mm; petals yellow, oblong to oblanceolate, 3–5 x 0.7–1.4 mm, attenuate to base, obtuse at apex; filaments 2.5–3.7 mm; anthers oblong, 0.5–0.7 mm. Fruit obpyriform to clavate-obcordate, 4.5–7.5(–8.5) x 2.5–4.5(–5) mm, appressed to rachis; style (0.8–)1.2–2 mm. Seeds brown, oblong to ovoid, 2–3 x 1–2 mm. 2n = 14.

Flowering: Apr–Jun.

Habitat: roadsides, waste grounds, disturbed sites.

Distribution: s Europe (Albania, Bosnia and Herzegovenia, Bulgaria, Czech Republic, France, Germany, Greece, Hungary, Italy, Romania, Russia, Serbia, Slovak Republic, Slovenia, Spain, Ukraine);SW and C Asia (Armenia, Azerbaijan, Georgia, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey); introduced into South Africa, E Asia (Japan, Korea), Australia, and the United States (Texas, Virginia).




© 2019 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110