arrow leaved aster(n = noun.plant) - a variety of aster;
is a kind of aster

annual salt-marsh aster, aromatic aster, arrow, arrow arum, arrow grass, arrow wood, aster, aster acuminatus, aster arenosus, aster cordifolius, aster divaricatus, aster dumosus, aster ericoides, aster falcatus, aster family, aster linarifolius, aster linosyris, aster macrophyllus, aster novae-angliae, aster novi-belgii, aster ptarmicoides, aster shortii, aster tripolium, aster turbinellis, azure aster, beach aster, bog aster, bow and arrow, broad arrow, broad leaved centaury, broad leaved goldenrod, bushy aster, calico aster, china aster, cornflower aster, crooked-stemmed aster, eastern silvery aster, flat-topped white aster, genus aster, golden aster, goldilocks aster, grass-leaved golden aster, green arrow arum, hairy golden aster, heart-leaved aster, heath aster, large-leaved aster, late purple aster, leaved, maryland golden aster, mojave aster, narrow-leaved white-topped aster, new england aster, new york aster, panicled aster, perennial salt marsh aster, poison arrow plant, prairie aster, prairie golden aster, purple-stemmed aster, rough-leaved aster, rush aster, schreiber's aster, sea arrow, sea aster, short's aster, sickleweed golden aster, small white aster, smooth aster, southern arrow wood, southern aster, starved aster, sticky aster, stiff aster, stokes' aster, straight arrow, tansy leaf aster, tradescant's aster, upland white aster, wavy-leaved aster, western silvery aster, white prairie aster, white wood aster, white-topped aster, whorled aster, willow aster, wood aster