A Grammatical Dictionary of Botanical Latin

summopere (adv.): very much, highly, exceedingly, extremely; see exceedingly;

- [genus] a Parlatore (in DC. Prod, xvi.ii. 363) Casuarineis Betulaceisque summopere accedere dicitur (B&H); the genus is said by Parlatore (in DC. Prod, xvi.ii. 363) to very much to approach Casuarineae and Betulaceae.

- dentes peristomii humiditate incurvi et involuli, siccitate (in theca supra matura) reflexi thecae adpressi vel tortuoso-defluentes summopere hygroscopici, the peristome teeth in humidity incurved and involute, in dryness (in the theca matura above) reflexed, appressed to the theca or tortuose-descending, exceedingly hygroscopic.

- [moss] ex ista definitione Neckerae crispae nomine specificum summopere improprium, quandoquidem eius superficies nullatenus crispa est sed vere undulosa (Brid.), according to that definition of Neckera crispa the species name [i.e. the epithet ‘crispa’] is very improper [i.e. unsuitable], since in fact its surface is in no way crisped but it is really undulose [i.e. full of small undulations or waves].