A Grammatical Dictionary of Botanical Latin

triste (adv.): sadly, sorrowfully; harshly, severely; dull- or somber-colored; (of taste; smell; sound) disagreeable, harsh, bitter, unpleasant; cf. insuavis,-e (adj.B);

- sapor,-oris (s.m.III), tristis, a bitter or harsh taste

- quod triste et amarum est, what is harsh and bitter.

- succus tristis (adj.B), bitter or harsh-tasting sap.

- pileus triste brunneus, pileus dull brown.

- amarus sapor dulci ex adverso appositus, insuavis ac tristis; sensum ipsum veluti corradit aut divellit. Eo insignis est Aloe, deinde absinthium, centaurium minus & colocynthis (Ray), ‘amarus’ [= bitter] is a taste placed in opposition to ‘sweet,’ being unpleasant and harsh; as if it irritates or tears apart the very sense [of taste] itself. Aloe is conspicuous for it, then absinthium, less centaurium and colocynthis.

Haplohymenium, a genus of pleurocarpous mosses: H. triste: “The specific epithet, meaning sad, refers to a dull appearance” (C&A).

Hesperidium triste (L.) Beck., basionym Hesperis tristis L., the bitter orange (opp. dulcis,-e (adj.B), ‘sweet’).