A Grammatical Dictionary of Botanical Latin

-ugo,-inis (s.f.III), abl. sg. -ugine: a Latin noun suffix; "indicates a substance or property possessed; noun or adjective base; e.g. asperugo, a prickly plant (from asper, rough), lanugo, down (from lana, wool)" (Stearn, 1983); see - ago,-inis; -igo,-inis (s.f.III); -o,-inis, third declension nouns, generally of the feminine gender;

- aerugo,-inis (s.f.III), rust of copper [> L. aes, aeris, s.n.III) [adj. aeruginosus,-a,-um 'rusty.']

- albugo,-inis (s.f.III), q.v., abl.sg. albugine: (“perhaps only in Pliny) a white spot, a desease of the eye; film, albugo (Lewis & Short) [> albus,-a,-um (adj.A), white];

- ferrugo,-inis (s.f.III) one time botanical term for the disease rust [> L. ferrugo, iron rust, the color of iron rust] [adj. ferrugineus,-a,-um; ferruginus,-a,-um the color of iron-rust; the taste of iron].

- Mollugo,-inis (s.f.III), abl.sg. mollugine ['An old name for Galium Mullugo, transferred to this genus, probably from the similarly whorled leaves' (Fernald 1950). Molluginaceae.

Note: adjectives formed from these words end in apparent endings such as

-ginous or -ginose, but actually end in -eus,-a,-um; -us,-a,-um (adj.A), or -osus,-a,-um (adj.A): aeruginosus,-a,-um (adj.A), rusty; lanugin-osus, ferrugin-us or ferrugineus. They are not related to adjectives ending in -genus,-a,-um (q.v.), such as nitrogenous.