A Grammatical Dictionary of Botanical Latin

asper,-era,-erum (adj.A) rough, harsh, uneven, often used of plants with spines or prickles;“rough with hairs or points” (Lindley); compar. asperior,-ius (adj.B); superl. asperrimus,-a,-um (adj.A); cf. scaber, scabra, scabrum (adj.A): scabrous, rough or gritty to the touch on account of numerous minute projections such as scales or points; opp. levis,-e (adj.B), laevis,-e (adj.B), smooth, free from unevenness, hairs or roughness; [declined like liber (q.v.) without the elision of the ‘e' before 'r' as in pulcher]

             singular                            plural 
Nom.  asper    asperra   asperum        asperi    asperae    aspera   
Gen.  asperi   asperae   asperi       asperorum   asperarum  asperorum 
Dat.  aspero   asperae   aspero                   asperis   
Acc.  asperum  asperam   asperum      asperos     asperas    aspera  
Abl.  aspero   aspera    aspero                   asperis

- folia alterna, simplicia, petiolata, ovato-cordata, aspera, aromatica (B&H), leaves alternate, simple, petiolate, ovate-cordate, rough, aromatic.

- frutex scandens asperrimus, shrub climbing, very rough.

- seminibus asperis, with the seeds rough.

- testa coriacea saepissime aspera, the test coriaceous, very often rough.

- folia laevia vel aspera, leaves smooth or rough.

- rupes,-is (s.f.III) aspera (adj.A), a jagged rock.

Sonchus asper (L.) Hill), rough (spiny-leaved); Anathallis asperilinguis, with rough tongue; Bulbostylis aspera; Hemistemma asperifolium.

exasperatus,-a,-um (part.A): 'roughened', covered with very short hard points;

- ramis frondiumque basi exasperato muricatis, and with the branched of the fronds at the roughened base, muricate [i.e. with short, hard points.

setoso-asper,-era,-erum (adj.A): roughened by bristly hairs;

- siliqua mollissime pilosa demum glabrata, nunquam setoso-aspera (DeCandolle), the silique very softly pilose, then glabrate [i.e. almost smooth (hairless), never setose-roughened.

subasper,-era,-erum (adj.A): somewhat roughened.