maccaboy      a kind of snuff, usu. rose-scented.
bedeguar a rose gall, esp. on sweetbriar.
tortile coiled or twisted.
remontant (of roses) blooming more than once per season.
rose engine a lathe with an oscillating spindle or tool rest, used for turning geometric patterns.
peloria (bot.) abnormal regularity in a flower's structure.
pleiomery (bot.) the state of having unusually many flowers in a whorl.
verticil a whorl of leaves or other protrusions encircling a point on a central axis.
chandelle an abrupt climbing turn, verging on a stall.
verticillaster an arrangement resembling a verticil in appearance, consisting of a pair of cymes.
umbel a inflorescence with a number of pedicels branching from their common peduncle.
umbellule one of the secondary umbels in a compound umbel.
girandole a rotating firework; a connected group of mines; an ornate bracket for candelabra; a fountain with rotating jets; a pendant consisting of a piece of jewelry surrounded by smaller pendants.
tourbillion a whirlwind; a firework which spirals upwards; a frame for a watch's escapement which rotates it about once a minute to reduce positional error.
karrusel a device for reducing positional error, rotating every 52 1/2 minutes.
stackfreed a device involving a spring pressing against a spiral cam, to maintain a constant driving force in a timepiece even as the mainspring unwinds.
tortillon a wad of paper twisted to a point.
vrille a spiraling head-first aerobatic descent.