A Grammatical Dictionary of Botanical Latin

stomal (in English), -stomatal, -stomous, -stomatous, pertaining to the stoma or stomata; relating to mouths (orifices), having a particular kind of mouth: -stomaticus,-a,-um (adj.A), -stomatus,-a,-um (adj.A); (see note below);

- amphistomaticus, amphistomatus, with stomata on both leaf surfaces.

- astomatus,-a,-um (adj.A), astomaticus,-a,-um (adj.A), astomous, lacking a mouth, as in a capsule with an irregular opening or lacking an opening; also cleistocarpous, q.v.

- circumstomaticus, circumstomatus: circumstomal, circumstomous.

- epistomaticus, epistomatus: epistomal.

- erythrostomatus, with red ostioles, pores or mouths; leucostomus, with white mouths; melastomus, with black ones.

- gymnostomaticus, gymnostomatus: gymnostomus, ‘naked mouth,’ in mosses, with the capsule lacking a peristome; microstomus, with small mouths; macrostomus, with large mouths.

- tetragonostomus,-a,-um (adj.A): with tetragonal ostioles.

- substomatus,-a,-um (adj.A); epistomaticus,-a,-um: epistomal, below or at the base of the orifice, stomate, or mouth.

- stromata substomatica, pseudoparenchymatica, stromata below the mouth (substomal), pseudoparenchymatic.

NOTE: the adjective suffix -stomous may also be rendered -stomus,-a,-um (adj.A), on analogy with the Gk. adj. astomos,-on, ‘without a mouth;’ cf. “Astomi,-orum (pl.m.II) = Astomoi (without mouths), an Indian people, said to have no mouths: Astomorum gens sine ore (Pliny) (Lewis & Short);

- sphaerulae sub epidermide circinatae; centrales steriles astomae, sphaerules under the epidermis circinate, the central ones sterile, astomous.

Arundinella lasiostoma Danthonia eriostoma Festuca eriostoma Paspalum trichostomum; Sphaeria rhodostoma.