Mugwort (Artemisia)
| ..... | lvs densely white-woolly | lvs not white-woolly |
| 1)disk fls sterile; very small | ..... | tall w.w. (12.campestris) open places, often in sandy soil; s to FL |
| 1) disk fls fertile | ..... | ..... |
| 2) receptacle not hairy | ..... | ..... |
| 3)sometimes shrubby | (2.pontica) AD dry, open places; European, sparingly intro | southernwood (1.abrotanum) roadsides & waste places |
| 4) heads large: 6-7.5mm wide, disk cors 3.2-4mm | dusty miller (3.stelleriana) AL sandy beaches; Japanese escape; s to VA | ..... |
| 4) heads smaller, invol 2.5-5mm, the disk cors 1-3mm | common mugwort (4.vulgaris) AE fields, roadsides
& waste places; Eurasia white sage (6.ludoviciana) becoming glabrous above; prairies, dry ground, & waste places |
toothed sage (5.serrata) AT prairies & low
ground; midwest, introduced in NY white sage (6.ludoviciana) AE, AL, AT becoming glabrous above; prairies, dry ground, & waste places |
| 3) annuals or biennials with a taproot; lvs green essentially glabrous | ..... | ..... |
| 9) infl dense, spike-like of spiciform branches, the heads crowded, obscurely pedunculate, invol 2-3mm; erect in axillary clusters | ..... | biennial w.w. (7.biennis) AD waste places 7 stream banks, esp. in sandy soil; nw US, widely dist in our range |
| 9) infl loose, paniculiform, the heads on evident slender peduncles, invol 1-2mm | ..... | annual w.w. (8.annua) AD fields & waste places; Asian & e Eurp, naturalized |
| 2) receptacle beset w/ numerous long hairs between the disk fls | ..... | common wormwood (9.absinthium) AD lvs silvery-sericeous or eventually subglabrate above; fields & waste places; Eurp, established |