| abies | fir | spar | Picea abies |
| absinthium | bitter (from greek apinthos=disgust) | bitter (uit Grieks apinthos =ongenoegen) | Artemisia absinthium |
| acaulis | stem less | stengel loos | Carlina acaulis, Primula acaulis |
| acerifolia | maple-leaf | esdoornbladig | Platanus acerifolia |
| acetosa | acid | zuur | Rumex acetosa |
| acre | sharp | scherp, bijtend | Sedum acre |
| actinophylla | radial leaf | straalbladig | Schefflera actinophylla |
| aculeatus | stemmed | gesteeld | Ruscus aculeatus |
| adenophylla | carrying glands | klierdragend | Oxalis adenophylla |
| adpressa | pressed | aangedrukt | Taxus baccata 'Adpressa' |
| aethiopica | from Ethiopia | uit Ethiopië | Zantededeschia aethiopica |
| affine | related | naverwant | Polygonum affine |
| africanus, -a | from Africa | uit Afrika | Agapanthus africanus |
| aggregata | congregated | opeengehoopt | Berberis aggregata |
| ajacis | from Ajax | van Ajax | Delphinium ajacis |
| alata, -um | winged | gevleugeld | Euonymus alatus |
| albiflora | whiteflowering | witbloemig | Tradescanthia albiflora |
| albolineata | white lined | wit gelijnd | Pteris cretica 'Albolineata' |
| albomarginata | white bordered | witgerand | Hosta und. 'Albomarginata' |
| alboplena | double white | witgevuld | Prunus glandulosa 'Alboplena' |
| albostriatus | white striped | wit gestreept | Cyperus albostriatus |
| albovittata | wide white striped | brede witte strepen | Tradescanthia albiflora 'albovittata' |
| albus, -a,- um | white | wit | Cytisus praecox 'Albus', Cornus alba, Sedum album |
| alkekengi | Arabic plant | arabische plant | Physalis alkekengi |
| allionii | after C. Allionii | naar C.Allionii | Cheiranthus allionii |
| alnifolia | elsbladig | Clethra alnifolia | |
| alopecuroides | foxtail | vossestaart | Pennisetum alopecuroides |
| alpellus | from alpinus | uit alpinus | Aster alpellus 'Triumph' |
| alpinus, -a, -um | growing in the alps | in de alpen groeiend | Aster alpinus,Scuttellaria alpina |
| alternifolia | with diversified leaves | met afwisselende bladeren | Buddleja alternifolia |
| altissima | very high | zeer hoog | Ailanthus altissima |
| amabilis | lovely | lieflijk | Kolkwitzia amabilis |
| amellus | old name aster | oude naam aster | Aster amellus 'Sonia' |
|
americanus, -a, |
american | amerikaans | Ribes americanum |
| amoena | lovely | bekoorlijk | Phlox amoena |
| amygdaloides | from the almonds | amandelachtig | Euphorbia amygdaloides 'Purpureus' | anagyroides | looks like anagrys | lijkend op anagrys | Laburnum anagyroides |
| ananassa | with tasty fruit | met smakelijke vrucht | Tapeinochilus ananassa |
| andersonii | after Th. Anderson | naar Th. Anderson | Hebe Andersonii |
| andreanum | after E.F. André | naar E.F. André | Anthurium andreanum |
| androsaeanum | human blood | mensenbloed | Hypericum androsaemum |
| anethoides | Like Anethum=Dille | lijkt op Anethum=Dille | Ursinia anethoides |
| angustifolia | narrow leafed | smalbladig | Elaeagnus angustifolia |
| annuus, -a, -um | annual | eenjarig | Helianthus annuus, Lunnaria annua, Capsicum annuum |
| antarctica | from Antarctica | van de Zuidpool | Cissus antarctica |
| apoda, apus | stemless | ongesteeld | Sclaginella apoda |
| aquatilis | in/around water growing | in en om water groeiend | Ranunculus aquatilis |
| aquifolium | sharply leafed | met scherpe bladeren | Ilex aquifolium |
| arabica | from | uit | Coffea arabica |
| araucana | from Araucana (South America) | uit Araucana (Zuid Amerika) | Araucaria araucana |
| arborescens | tree-like | boomachtig | Hedera helix 'Arborescens', Colutea arborescens |
| arbuscula | small tree | boompje | Potentilla fruticosa 'Arbuscula' |
| arcuata | bowforming | boogvormig | Spiraea arcuata |
| argenteo-- | silver-white | zilverwit | |
| argenteostriatus | silvery striped | zilver gestreept | Acorus gramineus 'Argenteostriatus' |
| argenteus, -a, -um | silver-white | zilverwit | Celosia argentea |
| arguta | sharply cut | scherp gezaagd | Spiraea arguta |
| argyraeus, -a | shiny silver | zilverglanzend | Peperomia argyraea |
| argyroneura | silver veined | zilvernervig | Fittonia argyroneura |
| aria | old name of tree | oude naam boom |
Sorbus aria |
| armstrongii | after J.B. Armstrong | naar J.B. Armstrong | Hebe armstrongii |
| artemisia | after Greek godess Artemis | naar Griekse godin Artemis | Artemisia abrotanum |
| asiaticus | asiatic | aziatisch | Ranunculus asiaticus |
| atlantica | from the Atlas mountains | uit het Atlas gebergte | Cedrus atlanticus |
| atro-- | dark | donker | |
| atropunicia | dark purple red | donker purper rood | Fagus sylvatica 'Atropunicia' |
| atropurpureus, -a, -um | idem | idem | Berberis thunbergii 'Atropurpurea' |
| atrosanguinea | dark blood red | donker bloedrood | Potentilla atrosanguinea |
| atrovirens | dark green | donkergroen | Thuja plicata 'Atrovirens' |
| aubertii | after E.G.Aubert | naar E.G.Aubert | Polygonum aubertii |
| aucupatia | allure birds | vogellokkend | Sorbus aucuparia |
| aurantiacus,-a, -um | orange | oranje | Hieracium aurantiacum |
| auratum | with golden yellow spots | met goudgele vlekken | Lillium auratum |
| aureo-- | golden yellow | goudgeel | |
| aureomarginata | with goldenyellow border | goudgeel gerand | Ilex aquifolium 'Aureomarginata' |
| aureoreticulata | gold veined | goud geaderd | Iresine herbstii 'Aureoreticulata' |
| aureovariegatus, -a | goldenyellow | goudbont | Agave americana 'Aureovariegata' |
| aureus | golden yellow | goudgeel | Catalpa bignonioides 'Aurea' |
| auriculata | eared | geoord | Plumbago auriculata |
| australis | from the south | uit het zuiden | Ficus australis |
| autumnalis, -e | flowering in autumn | herfstbloeiend | Prunus subhirtella 'Autumnalis', Colchicum autumnale |
| avellana | from Avella (Italy) | uit Avella (Italië) | Corylus avellana |
| avium | from the birds | van de vogels | Prunus avium |
