Helenium puberulum DC.
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)
Primary Disseminule Type
Description (diagnostics are in brown)
Fruit a cypsela, obcuneate or oblanceolate to oblong, cross-section ± terete to quadrangular, 1.2–2 mm long x 0.5–0.8 mm diameter. Surface glandular, dark brown, longitudinally ribbed (ribs prominent, 8–10, moderately hairy). Pappus of 5–6 light brown to orangish, ovate-triangular, aristate scales 0.4–1 mm long.
Style base missing or inconspicuous, apical scar 0.5–0.8 mm across.
Fruit attachment scar basal, variable (including hollowed-out to flush to slightly raised).
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)
AUQP, NZBORIC, NZBPI