What is the meaning of Perula?

One of the scales of a leaf bud.

A pouchlike portion of the perianth in certain orchids.

a little wallet, a pocket

  1. in literal use
  2. a tumescent womb or paunch

in literal use

a tumescent womb or paunch

pearl (shelly concretion, usually found in oysters, and often valued in a manner akin to semi-precious gems)

Source: wiktionary.org