thecal

From theca +‎ -al.

thecal (not comparable)

1. Of or pertaining to a theca.
2. Possessing a theca.
   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 6:

     The latter has the sporophyte seta 4 cells in diam. and has thecal Lejeunea-type androecial branches […]

• extrathecal
• intrathecal
• theca

• Thecla, chalet, châlet, elatch, laceth, letcha