Derivation of the botanical name:
Senecio, Latin senex, old man; from the vhoary pappus of these herbs. referring to the gray hairs on the seeds.
joppensis, from Jaffo, Israel.
The standard author abbreviation Dinsmore is used to indicate John Edward Dinsmore (1862 - 1951), who moved from Maine to Jerusalem in the 1890's to join a Protestant commune called The American Colony.
