A Grammatical Dictionary of Botanical Latin

fulvus,-a,-um (adj.A): fulvous, tawny, 'dull yellow with a mixture of gray and brown' (Lindley), yellowish-brown (Stearn), dull yellowish-brown (S&D), lion-colored; 'deep yellow, reddish yellow, gold-colored, tawny;' (fungi) “reddish-cinnamon-brown; also tawny, reddish-yellow” (S&D); leochromus,-a,-um (adj.A), the color of lions; corpora leonum (bodies of lions); “tawny; dull yellow-brown” (Magill 1990). Subst. fulvum,-i (s.n.II), abl. sg. fulvo, reddish-yellow [sc. color] (Lewis & Short);

- [Sanguinarea] herba, rhizomate repente, succo fulvo (B&H), an herb with a creeping rhizome, with a tawny sap. [note: perhaps a miswriting by the authors for ‘flavo? ‘yellow’?]

- flores ex fulvo lutei, the flowers from tawny to yellow [flowers yellow from tawny].

- primordialis fungus totus e fiavescente fulvus, mollissimus , pellucens (S&A), the whole first-formed fungus from yellowish to fulvous.

- ostiola sphaerulis quintuplo sextuplove fere longiora, ceterum laevia , ex ochraceo rufo - seu fulvo -pellucida (S&A), the ostioles almost five or six times longer than the sphaerules, otherwise smooth, pellucid from an ochraceous red - or fulvous.

- filamenta, ínter divisuras nectarii inserta, decidua. Antherae fulvae (Swartz), the filaments inserted among the divisions of the nectarium, deciduous. Anthers fulvous.

- flores umbellati, coccíneo - fulvi (Schwartz), the flowers in umbels, scarlet-fulvous [i.e. a suggestion ‘fulvous’ as used by Schwartz is ‘red’].

- Corollae luteae, post florescentiam fulvae 1. rubrae (Swartz), the corollas yellow, after flowering ‘reddish-yellow’ 1. red.

- Antherae reniformes, flavae 1. fulvae (Swartz), anthers kidney-shaped, yellow; 1. ‘reddish-yellow.”

- lobis rotundatis, alis apice sordide fulvis carinae rubrae aequilongis (F. Mueller), with the lobes rounded, dirty fulvous, the same length as the red keel.

- seminibus oblique cordatis squalide fulvis, (F. Mueller), with the seeds obliquely cordate dirty fulvous [i.e. when ‘fulvous’ is preceded by ‘sordide’ or ‘squalide’ it probably refers to a tawny yellow (not red) color].

NOTE: ‘fulvous’ also indicates a "reddish-yellow" as in Hemerocallis fulva L., the Orange Day-Lily (Fernald 1950), the flowers a "tawny orange," as distinct from H. flava L. where the flowers are yellow.