Centipeda Lour. >

Involucral bracts with scarious margins, acute, in 2 rows Centipeda
consider the other alternative
Inner bisexual florets 0.6–0.8 mm long
consider the other alternative
Cypselas less than 1 mm long; 0.4–0.5 mm wide; area between ribs concave; trichomes arranged in rows. Heads 2.5–5 mm diam, sessile; 9–11 bisexual florets per head. Leaves ± spathulate, 3–12 mm long. Cottony annual with stems to 15 mm long. Uncommon. Wet places. Clay soils Centipeda nidiformis