Xanthium strumarium L.
Asteraceae (Aster Family)USDA Symbol: XAST
USDA Native Status: L48 (N), HI (I), PR (N), VI (N), CAN (N)
Specimen & Label Data
Location: In drainage, W of low water crossing to Tobin Estates south gate, Oakwell Farms.
Habitat: Full sun. In bed of dried up pond. Alkaline (caliche), alluvial soil.
Description: Taprooted annual, 70 cm tall. Herbages not armed. Leaves alternate, long petiolate, as broad as long, irregularly toothed. Pistillate heads in intermediate axils; staminate heads in terminal axils. Fruit not present.
Collector: Harry Cliffe
Collection Date: Sept. 3, 1987
Specimen number: 321
Herbarium Owner: NPSOT
Herbarium ID: 0178
Accession Date: Sept. 28, 1993
Accession Number: 41 Annotations: SCXXB