Vernonia cinerea (L.) Less.
Common Name : Little ironweed
Family : Asteraceae
HABIT |
AN ERECT OR RARELY DECUMBENT ANNUAL HERB . |
STEMS |
15 – 75 CM TALL, SLENDER,
GROOVED AND RIBBED. |
LEAVES |
2.5 – 5 CM LONG AND 2 – 3.8 CM WIDE, VARIABLE IN SHAPE, BROADLY
ELLIPTIC OR LANCEOLATE, APEX OBTUSE OR ACUTE, BASE CUNEATE, MARGINS
IRREGULARLY TOOTHED OR SHALLOWLY CRENATESERRATE, MEMBRANOUS TO CORIACEOUS,
SPARSELY HAIRY ON BOTH SURFACES. |
FLOWERS |
FLORETS PINKISH-PURPLE, HEADS
ABOUT 20- FLOWERED, 6 MM IN DIAMETER, FORMING ROUNDED OR FLAT-TOPPED,
PANICULATE, TERMINAL OR AXILLARY, CORYMBS. |
FRUITS |
ACHENES 1.3 MM LONG, 3-4
ANGLED, DENSELY SILKY PUBESCENT, SLIGHTLY NARROWED AT BASE. |