Illinois Natural History Survey - University of Illinois

Lepidium draba
Pepperweed whitetop, Globed-podded hoarycress, Peppergrass, Whiteweed, Heart-pod hoarycress, Whitetop, Hoary cress
Taxonomy

Synonyms: Cardaria draba

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI

Species Distribution
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More about map & occurrence records

County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON

Collections, Observations & Flowering by Month [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collections & Observations by Decade [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Europe

Species Description

General: Dicot-herb, perennial

Roots: adventitious, rhizomes

Shoots: alternate, basal leaf arrangment; simple leaf type; dentate leaf margin; Pinnate leaf venation; linear, lanceolate, sagittate leaf shape

Inflorescence: raceme, corymb

Flowers: perfect; 4 merous; complete, regular; white; hypogynous ovary position

Fruit: silique

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual, vegetative

Ecology & Natural History

Habitat: Species is found along roadsides; along railroads; waste places.

ILPIN Notes: Species is rare in the southern half of U.S. According to PIN, regarding weediness, species may be noxious or economic. Species may, however, not be a noxious or economic weed in our area.

Functional Relationships:

  • Pollinators:
  • Dispersal:
  • Mycorrhizae: no
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: yes

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State:
  • Chicago Area:

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