querciform

English

Etymology

Either formed in English from Latin quercus (“oak”) +‎ -iform, parallel to taxonomic Latin querciformis, or formed in (taxonomic) Latin and borrowed into English.

Adjective

querciform (not comparable)

1. (botany, now uncommon, especially of a frond) Resembling an oak: in particular, resembling the (lobed) leaf of an oak.
   • 1857, Thomas Moore, Index Filicum: A Synopsis, with Characters, of the Genera, and an Enumeration of the Species of Ferns : with Synonymes, References:

     AGLAOMORPHIA, [...] Sori non-indusiate, rotundate, [...] Fronds coriaceous, dimorphous, the sterile sessile querciform, brown rigid; [...]

   • 1866, John Lindley, Thomas Moore, The Treasury of Botany: A Popular Dictionary of the Vegetable Kingdom ; with which is Incorporated a Glossary of Botanical Terms, page 431:

     DYNARIA. A genus of polypodiaceous ferns, generally distinguishable by the productino of two separate kinds of fronds: the one pinnate or pinnatifid in the usual way, [...] the other [...] lobed at the edge so as to resemble the leaf of an oak, whence they are called querciform. [...] its dwarfed querciform sterile fronds. [...] the fronds of this species being sessile and querciform at the base, [...]

   • 1883, Report of the United States Geological Survey of the Territories, page 9:

     Dr . M. DEBEY has recently published a fine memoir on some querciform leaves found in the sand rocks of Aix-la-Chapelle, Rhenish Prussia.

   • 1969, Plant Inventory, page 271:

     Querciform leaves deeply dentate, lower surface and stems with scattered large 1 cm. spines.