A Grammatical Dictionary of Botanical Latin

-chloe,-es (s.f.I), also -chloa,-ae (s.f.I), in Gk. comp. ‘grass;’: [> Gk. chloE,-es (s.f.I), a blade of grass; “the first shoot of plants (in spring); the green blade of corn or grass; the young verdure (of trees), foliage” (Liddell & Scott)]; also "Greek female name" used by Horace (Lewis & Short); see first declension (2).

Myoxanthus chloe (Orchidaceae), the epithet is a noun in apposition to the generic name.

NOTE: the declension of –chloa,-ae (s.f.I):

     singular   plural
Nom. –chloa    -chloae
Gen. –chloae   -chloarum
Dat. –chloae   -chlois
Acc. –chloam   -chloas
Abl. –chloa    -chlois

Actinochloa,-ae (s.f.I); Adenochloa,-ae (s.f.I); Echinochloa,-ae (s.f.I) > Gk. echinos, sea-urchin + chloa, grass Fernald 1950; Eriochloa,-ae (s.f.I) > Gk. erion, wool + chloe, grass (Fernald 1950); Heleochloa,-ae (s.f.I), > Gk. helos, a marsh + chloa, grass; Leptochloa,-ae (s.f.I), > Gk. leptos, slender + chloa, grass, from the long attenuated spikes (Fernald 1950); Scolochloa,-ae (s.f.I) > Gk. scolops, a prickle + chloa, grass (Fernald 1950); Xerochloa,-ae (s.f.I).

NOTE: the declension of –chloe,-es (s.f.I):

     singular   plural
Nom.   –chloe    -chloae
Gen.   –chloes   -chloarum
Dat.   –chloae   -chlois
Acc.   –chloen   -chloas
Abl.   –chloe    -chlois

Buchloe,-es (s.f.I), > Gk. bous, cow or ox + chloe, grass (Fernald 1950); Epichloe,-es (s.f.I); Eremochloe,-es (s.f.I); Hierochloe,-es (s.f.I) > Gk. hieros, sacred + chloe, grass, “these sweet-scented grasses being strewn before church-doors on saints’ days in the North of Europe” (Fernald 1950); Monanthochloe,-es (s.f.I); Notochloe,-es (s.f.I); Oxychloe,-es (s.f.I).

NOTE: there are a few adjectives in epithets: -chlous,-a,-um (adj.A), q.v.