1) Throwing spear 
[plant] Lancea is a plant genus in the recently described Mazaceae. It had formerly been tentatively included in the lopseed family, Phrymaceae as well as the Scrophulariaceae. Lancea species include: ...[weapon] The lancea was the Roman auxiliaries` short javelin. According to the OED, the word originally came from the Iberian Language, also cf longche, the Greek term for lance. ...
A spear or light thonged javelin or thrusting spear with decorated blade used as badge of office.