Ambrosia salsola (Torr. & A. Gray)

    Strother & B.G. Baldwin
Family: Asteraceae, Tribe: Heliantheae

Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms)

Hymenoclea salsola Torr. & A. Gray

Pertinent Common Names (particularly those used in California; go to GRIN for other common names)


Primary Disseminule Type

winged bur

Description (diagnostics are in brown)

Disseminule a winged bur consisting of hardened phyllaries tightly enclosing a single cypsela.

Bur body widely fusiform (with wings removed), 3–4(7) mm long, stipitate-glandular, with 5–20+ scattered (whorled or spiraled) wings. Wings spreading from bur body or enwrapping bur, each measuring 2–7 mm long x 3–6 mm wide, variously shaped (broadly cuneiform, reniform, flabellate or orbiculate), membranous, whitish to light brown with darker veins.

Risk Assessment (codes in yellow or red indicate cause for concern; assessments are current as of mid-2011; click AUQP, NZBORIC, or NZBPI for access to the most recent versions of these databases and possible assessment changes)