A Grammatical Dictionary of Botanical Latin

wide, broad: latus,-a,-um (adj.A); comp. latior, latius, 'wider'; superl. latissimus,-a,-um 'widest;' laxus,-a,-um (adj.A), q.v., 'with parts distinct and apart from one another or in an open or loose arrangement;' see eury-, in Gk. comp. wide, broad; see platy-, in Gk. comp., broad, wide; opp. narrow, q.v.: angustus,-a,-um (adj.A); cf. thick;

           Comparative: latior,-ius 
     singular                       plural 
       m./f.       n.           m./f.     n. 
Nom. latior    latius     latiores  latiora 
Gen.     latioris              latiorum 
Dat.     latiori               latioribus 
Acc. latiorem  latius     latiores  latiora 
Abl.     latiore               latioribus

- folia caulina principalia 120–170 um et longa et lata, principal cauline leaves 120-170 um both long and wide.

- valvae capsularum 7-9(10)-plo longiores quam latae, the valves of the capsules 7-9(10) times longer than wide.

- amphigastria axium principalium remotissima, pro parte maxima latiora quam longiora, amphigastria of the main axes very remote, for the most part broader than long.

- alae limbo tenui ad 12 cellulas tantum lato (Steph.), the wings with a delicate limb only to 12 cells wide.

- euryanthelus, with a broad anthela; auryanthes, widely flowered; eurycephalum, with a wide head; eurybasis, with a wide base, e.g. receptacle; eurycaulis, with a broad stem;

- platycaulis, with wide stems; platycarphus, with broad husks or chaff (pappus); platycarpus, with broad fruits; platycephalus, with a broad head or heads; platyglossus, with a broad tongue; platylepis,-idis, with wide scales.

somewhat wide: latiusculus,-a,-um (adj.A).

very wide, very broad: perlatus,-a,-um (adj.A).

wide, effuse, spread out (in reference to habit of growth): effusus,-a,-um (part.A).