Conyza bonariensis (L.) Cronquist.
Common Name : Asthmaweed
Family : Asteraceae
HABIT |
ERECT PERENNIAL, 20-75 CM TALL. |
STEMS |
ERECT WITH STIFF HAIRS,
BRANCHING AT THE BASE, DECREASING UPWARDS. |
LEAVES |
NARROW, LANCEOLATE, GREY TO GREEN COLOR, 2-6 CM LONG, COARSELY
TOOTHED AND COVERED WITH FINE HAIRS; UPPER LEAVES ARE SMALLER AND LINEAR. |
FLOWERS |
INFLORESCENCE MUCH BRANCHED;
CAPITULUM IS GREATER THAN 2 MM IN DIAMETER. |
FRUITS |
CYPSELA LINEAR SHAPED, 1.5 MM
LONG, STRAW COLORED, COVERED IN HAIRS WITH 16-20, NOTICEABLY LONGER, AT THE
TOP THAT ARE WHITE OR PINK. |