Helenium bigelovii Torr. & A. Gray

Family: Asteraceae, Tribe: Helenieae

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


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

Bigelow's sneezeweed

Primary Disseminule Type


Description (diagnostics are in brown)

Fruit a cypsela, obcuneate or oblanceolate to oblong, cross-section oval, 1.8–2.4 mm long x 1–1.3 mm wide x 0.6–0.8 mm thick. Surface eglandular, brown, longitudinally ribbed (ribs prominent, 10+, moderately hairy). Pappus of 6–8 cream-colored, aristate scales 1.3–2.2(2.7) mm long.

Style base missing or inconspicuous, apical scar 0.6–1 mm across.

Fruit attachment scar basal, variable but typically flush to slightly raised, granular.

Similar Species

Helenium puberulum

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)