- Hairs stellate; involucral bracts spatulate-lanceolate or obovate; calyx without accessory teeth; fruit glabrous.
- Compound tepal linear, apex often 3-lobed, without 2 accessory teeth between lobes;
- We should brush our teeth at least twice a day.
- The combined fleet is armed to the teeth.
- A radio is an accessory to a car.
- He clenched his teeth and refused to tell anything.