Descriptions : Herb Aromatic herb; leaves and stem
wooly; leaves with teeth that appear to
be gland-tipped; longitudinal wings on
stem appear to derive from decurrent
leaves; inflorescence terminal, a dense
cluster of heads (capitula), several
heads forming a club-shaped
structure; head with approximately 3
rows of involucral bracts, increasing
in size outwards, outer row wooly;
many pistillate flowers, pappus of
hairs; one (or no) central staminate
flower; pappus of hairs; corolla
tubular with 5 lobes; 5 connate anthers
with extended, truncate apex and
sagittate base; ovary (pistillode)
small; receptacle small rounded, with
glands, pales absent.
