Page author: David Giblin
Lepidium appelianum
globepodded hoarycress, whitetop

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains, Great Lakes region, and eastern U.,S.

Habitat: Disturbed soil, waste areas, in dry and moist places.

Flowers: April-August

Origin: Introduced from Asia

Growth Duration: Perennial

Conservation Status: Not of concern


Herbaceous perennial from strong rhizomes, the stems erect to decumbent, 2-5 dm. tall, puberulent to hoary-pubescent.


Leaves alternate, ovate-oblong to oblong-oblanceolate, denticulate to dentate, 4-10 cm. long, the lower ones petiolate, the upper sessile and sagittate-clasping.


Inflorescence of bractless, dense, numerous, rather flat-topped racemes; pedicles slender, 1 cm. long; sepals 4, 2 mm. long, early-deciduous; petals 4, white, 3-4 mm. long; stamens 6; style slender, 1 mm. long.


Silicles strongly inflated, obovoid-globose, acute at the base, 3-5 mm. long and 4-6 mm. broad, finely pubescent; seeds 1 per cell, 2 mm. long.

Identification Notes:

Separated from Cardaria draba by the pubescence on the silicle.

Accepted Name:
Lepidium appelianum Al-Shehbaz
Publication: Novon. 12: 7. 2002.

Synonyms & Misapplications:
Cardaria pubescens (C.A. Mey.) Jarm. [HC]
Cardaria pubescens (C.A. Mey.) Jarm. var. elongata Rollins [Peck]
Hymenophysa pubescens C.A. Mey.
Additional Resources:

PNW Herbaria: Specimen records of Lepidium appelianum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lepidium appelianum checklist entry.

E-Flora BC: Lepidium appelianum atlas page.

CalPhotos: Lepidium appelianum photos.

USDA Plants: Lepidium appelianum information.

13 photographs:
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