A Grammatical Dictionary of Botanical Latin

Tribe: tribus, gen.sg. tribus (s.f.IV) [> L. tribus,-us (s.f.IV) ‘a division of the people, a tribe; the commonalty, the mass” (Lewis & Short)];

       singular        plural 
Nom.    tribus         tribus 
Gen.    tribus         tribuum 
Dat.    tribui         tribubus 
Acc.    tribum         tribus 
Abl.    tribu          tribubus

- TRIBUUM SUBTRIBUUMQUE CONSPECTUS (B&H), survey of the tribes and subtribes.

- praeterea, Subordo secundus, Acerineae, a nobis potius pro tribu quam Subordine habendus est (B&H), moreover, the second Suborder, Acerineae, by us is to be taken rather for a tribe than a Suborder.

- Tribus etiam pleraeque late dispersae sunt(B&H), and also many of the tribes are widely dispersed.

- distributio tamen in tribus subtribusque (acc. pl.) difficillimum est (B&H), nevertheless the distribution into tribes and subtribes is a most difficult thing.

- tribus in series artificiales potius quam in subtribus [acc.pl.] divisa (B&H), the tribe is divided into artificial series rather than into subtribes.

- species hujus tribus omnes sunt parvae vel minutae (Nyl.), all the species of this trive are small or minute.

Note: the nom. singular and plural are both tribus, as is the genitive singular and the accusative plural.

Note: the spelling of the dative and ablative plural is not tribibus, as in other words of Decl.IV, but tribubus; nor is it masculine, as is typical of this declension.

- tribus nova genus Withaniam et genera propinqua comprendit (comprehendit), the new subtribe embraces (includes) the genus Withania and neighboring genera.

- genus novum ab aliis generibus tribus Triticearum possessione haplomatum quatuor (St,Y,H, et W) differt, new genus differs from other genera of the tribe Triticeae by the possession of four haplomes (St, Y, H and W).

Note: tribus is also the dative and ablative plural of ‘tres,tria’, ‘three;’ see ‘three;’

- (moss) sporangium e partibus tribus essentialibus compositum (C. Mueller), the sporangium is composed of three fundamental parts.

Tribe, ending indicating rank of: the feminine nominative plural ending of the adjective suffix -eus,-a,-um = '-eae,' added to the stem of the name or synonym of a type genus: Astereae (Aster),

Datureae (Datura), Puccinieae (Puccinia);

- genus ab aliis generibus tribus Liabearum habitu minuto differt, genus from other genera of the tribe Liabeae [Liabum] by the minute habit differs.

Milium Tribe VI. Chlorideae (Fernald p. 178); Iridaceae, tribe

Moraeeae (from the genus Moraea (Bentham & Hooker Vol. III p. 682).

- tribes in Fabaceae (Gleason 1952): Galegeae (Galega), Genisteae (Genista), Hedysareae (Hedysarum), Loteae (Lotus), Phaseoleae (Phaseolus), Podalyrieae (Podalyria), Psoraleae (Psoralea), Sophoreae (Sophora), Trifolieae (Trifolium), Vicieae (Vicia)

- tribes in Orchidaceae (Mabberley 1987), in Orchidoideae: Neottieae (Neottia), Orchideae (Orchis,-idis), Epidendreae (Epidendrum), Vandeae (Vanda).

- tribes in Poaceae (Gleason 1952): Agrostideae (Agrostis), Andropogoneae (Andropogon), Aveneae (Avena), Bambuseae (Bambusa), Chlorideae (Chloris), Festuceae (Festuca), Hordeae (Hordeum), Oryzeae (Oryza), Paniceae (Panicum, Phalarideae (Phalaris), Tripsaceae (Tripsacum), Zizanieae (Zizania), Zoysieae (Zoysia).