The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

myagrum

Habit Annuals; not scapose; (glaucous), glabrous.
Stems

erect, branched distally.

Leaves

basal and cauline;

petiolate or sessile;

basal (soon withered), not rosulate, petiolate, blade margins pinnatifid, runcinate, sinuate, or dentate;

cauline blade (base auriculate, sagittate, or amplexicaul), margins entire or denticulate.

Racemes

(corymbose, several-flowered), considerably elongated in fruit.

Flowers

sepals oblong to ovate, lateral pair subsaccate basally;

petals oblong to oblanceolate, (slightly longer than sepals), claw undifferentiated from blade, (apex obtuse);

stamens tetradynamous;

filaments not dilated basally;

anthers oblong, (apex obtuse);

nectar glands (4) lateral, and (2) median (sometimes obscurely confluent with lateral).

Fruiting pedicels

appressed to rachis, stout.

Fruits

silicles, sessile, obpyriform to clavate-obcordiform, (woody, broadest distal to middle), slightly angustiseptate; (seed-bearing locule basal, 1 (or 2)-seeded, distal 2 locules seedless);

replum rounded;

ovules 2 per ovary;

style distinct, (flattened, triangular);

stigma capitate.

Seeds

plump, not winged, oblong to ovoid;

seed coat not mucilaginous when wetted;

cotyledons incumbent.

x

= 7.

Myagrum

Distribution
from USDA
[Introduced in North America; s Europe, sw Asia, introduced also in Africa, Australia]
[BONAP county map]
Discussion

Species 1.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 7, p. 568. Author: Ihsan A. Al-Shehbaz.
Parent taxa Brassicaceae > tribe Isatideae
Subordinate taxa
M. perfoliatum
Name authority Linnaeus: Sp. Pl. 2: 640. (1753): Gen. Pl. ed. 5, 289. (1754)
Web links