A Grammatical Dictionary of Botanical Latin

tantum (adv.): so much, to such an extent, to such a degree; only, alone, merely, only so much, so little, barely; syn. solum (adv.), q.v., solummodo (adv.); cf. vix (adv.), scarcely, hardly, with difficulty, barely; see only;

- stipulae foliorum abortivorum tantum adsunt, minutae, stipules of the abortive leaves barely present, minute.

- non tantum in truncis ramisque dejectis, sed et in foliis aliisque quisquiliis humi jacentibus udis, quibus basi mucida laxius tantum adnata loco facile movetur (S&A), not only on fallen trunks and branches, but also on wet leaves and other litter fallen on the ground, [to which things] at the mucid base [it is] more loosely so little adnate [that] it is easily removed from its place.

- folia in extremitatibus ramulorum tantum, leaves at the ends of the branches only (Stearn 1983).

- foliis tantum modice pilosis, with the leaves only moderately pilose.

- indumento tempore florendi in nervis primariis tantum persistenti, with the indumentum at the time of flowering on primary nerves alone persisting.

- unus tantum, one only, only one.

- caulis tantum 0.05 cm longus, the stem only 0.05 cm long.

- alae limbo tenui ad 12 cellulas tantum lato (Steph.), the wings with a delicate limb only to 12 cells wide.

- valvae tantum in latitudinem patens, quantum fructus alte dehiscens, the valves only spreading in width as the fruit deeply dehisces.

- fructus seminunum tantum efferens, fruit only one seed producing.

- sporophyta setam unam tantum efferentia, sporophytes producing only one seta.

non tantum ... sed (etiam)..., ‘not only ... but (also)...;’

- petala non tantum clare rosea, sed etiam translucentia, the petals not only a bright pink, but also translucent.

- non tantum in truncis ramisque dejectis putredine tactis vulgaris est; sed et in foliis aliisque quisquiliis humi jacentibus udis (S&A), not only is it common on fallen trunks and branches touched with rot, but also on wet leaves and other litter fallen on the ground.