a1834 T. Say in (1836) 1 268 Antennae..; terminal joint ovate conic.
1921 72 229 Capsules ovate-conic, 5.5–7 long, roughened, thinkly to desnely pilose.., becoming glabrous at maturity.
2002 115 189 Tepalcatia is distinguished from other members of this group by its ovate-conic to turriform shell.