Logfia filaginoides (Hook. & Arn.)
Morefield
Family: Asteraceae, Tribe: Gnaphalieae
Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms)
Filago californica Nutt.
Pertinent Common Names (particularly those used in California; go to GRIN for other common names)
California cottonrose
Primary Disseminule Type
2 fruit types—with or without papillae
Description (diagnostics are in brown)
Fruit of two types of cypsela.
Outer cypselae oblong to oblanceolate, ± straight, laterally compressed, 0.9–1.1 mm long. Surface grayish-brown, glabrous, shiny, not papillate. Pappus none.
Inner cypselae 0.9–1 mm long x 0.2–0.4 mm wide x 0.1–0.2 mm thick. Surface with a light sheen, wrinkled longitudinally, sparsely covered with plump papillae. Pappus of 17–23+ barbellate bristles 1.9–3 mm long falling in complete or partial rings, early deciduous.
Style base missing or inconspicuous, a whitish nub sitting inside an indistinct (especially on outer cypselae) apical scar ca. 0.1 mm across.
Fruit attachment scar basal, elongated (outer cypselae only), white, shiny, ring-like.
Similar Species
Similar Species Comparison Chart
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