Lewis & Short

plantāris, e, adj. [planta].

  1. I. Of or belonging to sets; subst.: plantārĭa, ĭum, n. plur., sets, slips, or young trees, Verg. G. 2, 27: plantaria transferuntur, Plin. 21, 10, 34, § 60: non Epicurum Suspicit exigui laetum plantaribus horti, trees, plants, Juv. 13, 123.
    1. B. Transf., the hair, Pers. 4, 39.
  2. II. Of or belonging to the sole of the foot (poet.); of Mercury: summa pedum propere plantaribus alligat alis, Stat. Th. 1, 304.
    Subst.: plantārĭa, ium, winged shoes or sandals: aërii plantaria vellet Perseos, Val. Fl. 1, 67.