Sprekelia formosissima was called Narcissus Jacobeus by Clusius
because it reminded his Spanish friend Dr. Simone de Tovar of the crimson sword
worn as a badge by the Knights of the Order of St James. Engraving by Pierre Vallet
from his florilegium, Le iardin dv roy très chrestien Henry IV roy de
France et de Navare dédié à la royne (1608).
Exoticae qvaedam plantae a Iohanne Robino iuniore ex Guinea & Hispania delatae, anno 1603.
Tobia Aldinus (1625) described a different Narcissus Jacobeus.
Vallet described the three species, which were numbered differently in the 1623 edition:
Narcissus Indicus Flo. rubro vulgo Iacobeus.
D'vn rouge cramoisi, & le col aussi, les estamines vn peu vert de mer, le cul
noir.
Lilio Narcissus indicus Autunalis flore feniceo.
Elle est d'vn beau rouge ardant, & ce que vous voyez de blanc, il le faut obseruer,
les estamines iaunes, ce qui les soustient verd, & le brin four chu couleur
de chair.
Narcissus Indicus maior rubello flore
Elle est de laque, fort blanchette, & les ombres de carmin, les estamines iaunes
laque rougeaster, auec vn petit de vert.