| acaulis | stemless |
| acicularis | needle-like |
| acuminatus | long-pointed, tapering |
| aestivalis | summer |
| affinis | related to |
| agrostoides | similar to agrostis |
| airoides | sky-blue |
| alatus | winged |
| alba | white |
| albidus, albus | white |
| alopecuroides | foxtail |
| alternifolius | alternate-leaved |
| altissimus | very tall |
| amabilis | lovely |
| amplexicaulis | clasping the stem |
| anceps | two-headed or edged |
| angustifolius | narrow-leaved |
| apiculatus | tipped with a point |
| annua | yearly |
| arachnifera | spiderwebby |
| arborescens | tree-like |
| arenarius | of sandy places |
| arenicola | sand inhabitant |
| argenteus | silvery |
| argillaceus | of clay or clay-colored |
| argutus | sharp-toothed |
| arida | dry |
| aridus | arid |
| aristatus | bearded |
| arundinacea | reed-bearing |
| arundinaceous | reed-like |
| arvensis | of cultivated fields |
| asper | rough |
| asperifolia | rough leaves |
| atropurpureus | dark-purple |
| atrovirens | dark-green |
| aureus | golden |
| australis | southern |
| azureus | sky-blue |
| baccatus | berried |
| barbatus | barbed, bearded |
| barbinodis | barbed at nodes |
| barbulatum | bearded |
| basirmea | branches low; toward bottom |
| bicolor | two-colored |
| bidentata | two-toothed |
| bifidum | two-forked |
| bifidus | twice-cut |
| biflorus | two-flowered |
| borealis | northern |
| brachystachy | short-spiked |
| bulbifera | bulb-bearing |
| caeruleus | sky-blue, dark-blue |
| campanularia | bell-flowered |
| campestris | of the fields or plains |
| candidus | white, shining |
| canescens | gray-hairy |
| capillaris | hair-like |
| capitatus | headed |
| carinatus | keeled |
| catharticus | cathartic |
| caudatus | tailed |
| cernuus | drooping |
| chloranthus | green-flowered |
| ciliatifolium | hairy leaves |
| cilianensis | hairy |
| ciliaris, ciliatus | fringed |
| cinereus | ash-colored |
| circulare | round |
| clandestinus | concealed |
| coccineus | scarled |
| colonum | cultivated |
| comatus | with hair |
| communis | gregarious |
| commutatus | changing |
| comosus | long-haired |
| compressa | compressed |
| compressus | compressed |
| confertus | crowded |
| confusus | confused, uncertain |
| contortus | contorted |
| contracta | narrowed |
| cordatus | heart-shaped |
| corniculatus | horned |
| crassifolius | thick-leaved |
| cristatus | crested |
| crus-galli | cockspur |
| cryptandrus | hidden stamens |
| cucullata | hooded pedicel |
| cuneatus | wedge-shaped |
| curtipedicellata | short pedicel |
| curtipendula | short pendula |
| cuspidata | sharp, pointed |
| dactyloides | finger-shaped |
| dactylon | finger |
| debilis | weak |
| decumbens | reclining |
| deflexus | bent downward |
| deltoides | triangular |
| depauperatum | stunted |
| dichotoma | forked in pairs |
| dichotomiflorum | flowering in twos |
| diffusa | loosely branching |
| dilatatum | dilated, expanded |
| discolor | different colors |
| distichum | 2-rank; leaves or flowers in rank on opposites sides of stem |
| divaricata | spreading, widely divergent |
| donax | reed or cane |
| dubia | doubtful |
| dulcis | sweet |
| dumosus | bushy |
| echinatus | prickly |
| edulis | edible |
| elatior | taller |
| elatus | tall |
| elongata | lengthened |
| erectum | upright |
| eriopoda | having hairs at base |
| esculentus | edible |
| everta | expelled, turned out |
| extensa | spread out or stretched out |
| falcatus | sickle-shaped |
| fasciculatus | fascicled |
| filiformis | long, very slender, thread-like |
| fistulosis | hollow, cylindrical |
| flabellatus | fan-like parts |
| flavescens | yellowish |
| flavus | yellow |
| flexilis | pliant |
| flexuosa | alternately bent in different directions |
| floridanum | flowering or from Florida |
| fragilis | brittle, fragile |
| fragrans | fragrant, odorous |
| frondosus | leafy |
| frutescens | shrubby, bushy |
| furcatus | forked |
| geminatum | double |
| geniculata | bent more or less like a knee |
| geniculatus | jointed |
| glaber | smooth |
| glabriflorus | smooth flower |
| glomerata | dense or compact cluster or clusters |
| gracilis | slender |
| gramineus | grassy |
| hastatus | spear-shaped |
| heterolepsis | heterogeneous scales |
| heterophyllus | various-leaved; with leaves of more than one shape |
| hiomalis | pertaining to winter |
| hians | spread out |
| hirsuta | bristly or prickly |
| hirta | hairy |
| hispidus | bristly |
| hortensis | of or belonging to a garden |
| humilis | dwarf |
| hyemalis | of winter |
| hystrix | bristly |
| incanus | hoary |
| indentata | toothed, indented |
| indurata | hardened |
| inermis | unarmed |
| intermedium | intermediate |
| interruptis | not continuous, irregular |
| jubatum | crested, with a mane |
| junceus | rush-like |
| labiatus | lipped |
| laeve | left hand |
| laevigatus | smooth |
| laevis | smooth |
| lanatus | wooly |
| lanosa | wooly |
| lanuginosum | wooly, downy |
| lanuginosus | wooly |
| lasiocarpus | rough- or wooly-fruited |
| latifolia | broad leaf |
| latiglumis | wide glumes |
| laxa | loose |
| leucanthus | white-flowered |
| leucotricha | white hairs |
| linearifolum | long, slender leaves |
| longispica | long-spiked |
| longpipes | long-footed |
| lutescens | yellowish or becoming yellow |
| macranthus | large-flowered |
| macrocarpus | large fruits |
| macrophyllus | large-leaved |
| macrus | large |
| maculatus | spotted |
| malacophyllum | soft leaves |
| maritimus | of the sea |
| micranthus | small-flowered |
| microcarpon | small-fruited |
| miliaceum | pertaining to millet |
| mirabilis | wonderful |
| mollis | soft |
| monspeliensis | lives in caves and mountains |
| montanus | of mountains |
| multiflorum | many-flowered |
| muralis | of walls |
| murinum | mouse-colored |
| mutabile | changeable |
| mutabilis | variable |
| mutica | curtailed |
| nanus | dwarf |
| natans | floating |
| neglectus | overlooked |
| nemoralis | of groves or woods |
| nitens | shining |
| nudicaulis | naked-stemmed |
| nutans | nodding |
| obtusata | blunt, rounded |
| obtusum | blunted, dull |
| occidentale | western |
| octoflora | 8-flowered |
| officinalis | official |
| olignathus | few-flowered |
| orientalis | eastern |
| ornatus | adorned |
| ovinus | of sheep |
| palustris | marsh-loving |
| paniculatus | in panicles |
| parviflora | small-flowered |
| parvifolius | small-leaved |
| patens | spreading |
| patula | spreading |
| pauciflorus | few-flowered |
| pectinatus | comb-like |
| perennans | perennial |
| phleoides | resembling timothy |
| pilifera | bearing hairs |
| pilosa | with long hairs |
| polyanthes | many-flowered |
| polyanthus | many-flowered |
| pracocius | aggressive |
| pratense | of meadows |
| pubens | downy |
| pubescens | downy, covered with soft hairs |
| pubiflorum | downy-flowered |
| pulchellus | pretty, beautiful |
| pumila | dwarf |
| pumilus | dwarf |
| purpurascens | purplish |
| purpurea | purple |
| pusillum | very small |
| ramosissima | many-branched |
| ramosus | branched |
| repens | creeping |
| reptans | creeping |
| retroflexus | reflaxed |
| regodoseta | stiff bristles |
| robustus | robust, stout |
| rupestris | rock-loving |
| rostratus | rostrate, beaked |
| rugosa | wrinkled |
| saccharinus | saccharine |
| saccaroides | sweet; like sugar |
| salinus | salty |
| sanguilalis | blood-colored |
| sanguineus | blood-red |
| sativa | cultivated |
| sativus | cultivated |
| scandens | climbing |
| sciurea | resembling squirrel’s tail |
| scoparius | broom-like |
| secundiflora | one-sided |
| septentrionalis | northern |
| sericea | silken |
| serotinus | late-flowering |
| sessilispicata | without pedicel |
| setaceus | bristle-like |
| sobolifera | bearing creeping, rooting stems or shoots |
| speciosus | showy, good-looking |
| spectabilis | spectacular, worth seeing |
| sphaerocarpon | round-fruited |
| squarrosa | with parts spreading or recurved at ends |
| sterilis | sterile, infertile |
| stramineum | straw-colored |
| strictus | strict, upright, erect |
| tectorum | of roofs, or houses |
| temulentum | drunken |
| tenarum | slender, tender, soft |
| tenarius | slender |
| tener | slender |
| tenuiflora | slender flowers |
| tenuis | slender, thin |
| tinctorius | of dyes |
| tomentosus | densely wooly |
| trichodes | pilose |
| tridens | with 3 teeth |
| trifidus | three-parted |
| trunicata | blunt |
| uncinatus | hooked |
| vaginaeflorus | flowers in sheath |
| vaginatus | sheathed |
| vernalis | vernal |
| vernis | of spring |
| versuta | versatile |
| verticellata | in whorls |
| villosa | hairy |
| villosissimum | hairy |
| villosus | hairy |
| virens | green |
| viridis | green |
| virgatus | twiggy |
| vulgaris | common |