| Ecology: |
Fields, roadsides, disturbed areas |
| Blooming Period: |
Mid-September
into November |
| Typical Height Range: |
2 to 5 feet (6
to 15 dm) |
| . |
| What
to look for in the field: |
Capitulescence
is in the shape of a panicle.
Robust plants may have
widely spreading and
recurved branches.
Heads are more or
less in one-sided arrays
on branches. |
Stems
are mostly straight, and glabrous
to finely pubescent
upwards. Branches may also be glabrous or finely pubescent. |
Basal and lower-most stem leaves are
usually deciduous by flowering.
Mid- to upper stem leaves are very narrowly
lanceolate to
linear and
mostly glabrous. Leaves and leaflets have pointed tips bearing a
minute spine-like point. |
Heads
are small to medium size, from 1.5 to 2.0 cm wide. Rays are white.
Disc florets
are bright yellow, turning reddish. Involucres are in the shape of
an upside down bell. Phyllaries are spreading to recurved, with a
minute spine-like point. View image of involucre and
phyllaries. |
| . |