1660s, genus of swordfish, from Greek xiphias "swordfish," from xiphos "a sword" (see xiphoid). Related: Xiphioid.
"genus of holotrichous ciliate Infusorial" [OED]; "the slipper-animacule" [Century Dictionary]; 1752, Modern Latin Paramecium, the genus name, coined from Greek paramekes "oblong, oval," from para- "on one side" (see para- (1)) + mēkos "length," related to makros "long," from PIE root *mak- "long, thin."
a genus of fan-palms of tropical Americas, 1763, said to be from a South American or Mexican name.
mid-15c. as the name of a type of plant, from Latin sedum "houseleek." As a genus name, late 18c.
frog genus, Modern Latin, from Latin rana "frog," which probably is imitative of croaking (compare frog (n.1)).
genus name of a large and diverse group of plants including the garden sage, 1844, from Latin salvia "the plant sage" (see sage (n.1)).
name given to the genus of pepper plants, a word of unknown origin. Perhaps it is irregularly formed from Latin capsa "box" (see case (n.2)) based on the shape of the fruit. It was adopted as a genus name through the writings of French botanist Joseph Pitton de Tournefort (1656-1708), but he did not explain the word.
1878, "a conical structure or organ," from Latin conus "cone" (see cone). Also the name of the typical genus of the cone-shells.
1828, plant genus of the lily family, coined 1812 in Modern Latin from name of Austrian physician and botanist Nicolaus Thomas Host (1761-1834).