A Grammatical Dictionary of Botanical Latin

ultimus,-a,-um (adj.A): ultimate, farthest, most distant, last; the final section or division of a structure; see terminal; see uppermost; see distant;

- ad ultimum, lastly, finally.

- [algar] articulis ramulorum subsagittatis, ultimis lanceolatis, with the articulations of the branchlets mostly sagittate, the terminal ones lanceolate.

- planta ab antiquissimis temporibus cognita sed ultimis temporibus neglecta, plant known from most ancient times but in the latest times neglected (Stearn).

- foliis ultimis alte laceratis, with the end leaves deeply lacerate.

- plantae in diebus ultimis hiemis fructificantes, plants fruiting in the final days of winter.

- folia perichaetialia primo 3 mm ad ultimum 5 mm longa, perichaetial leaves at first 3 mm ultimately 5 mm long.

- (algae) articulis diametro plerumque aequabilis, ultimis saepe inflatis, vel in spermatoidia obovata transientibus (Braun), with the articles usually equal in diameter, the topmost ones often inflated, or transforming into spermatoidia [i.e. small cells containing gonidia].

- [algae] siphones tantum in ultimis ramulis evidentes observantur, ibi quoque numerosi ( 5 - 7 ) (Agardh), the siphones [i.e. tubular structures] are only observed to be evident on the ultimate [i.e. most distant] branches, also there they are numerous (5-7).