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| Family | Asteraceae |
| Basionym | Senecio filaris McVaugh |
| Original Identification | Senecio filaris McVaugh |
| Current Taxon | Senecio filaris McVaugh |
| Protologue Citation | Contributions from the University of Michigan Herbarium 9(4): 470 f. 54. 1972. |
| Holotype/Isotype | Isotype |
| DUKE Accession Number | 233414 |
| Comments | |
| Primary Collector | Rogers McVaugh |
| Collector Number | 1550 |
| Collection Date | 7 Dec 1959 |
| Country | Mexico |
| Province/State | Colima |
| Plant Location Notes | Mountain summits near pass ca. 11 miles south-southwest of Colima on Manzanillo road; precipitous rocky slopes and ravines of gypsum and slate, in deciduous woodland with Juliania, Bursera, Cephalocereus, Cyrtocarpa, Cassia; elevation 400-500 m. |
| Plant Description Notes | Abundant on dry ridges on the seaward side of the pass. Treelike, 2 m. high; stems leafless, to 5 cm. thick; plant brittle; branchlets stubby; flowers yellow. |
| DUKE Barcode | |
| Broad geographical location | North America |
