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LIFE CYCLE:  Winter annual; seeds germinate mainly in fall, but some in late winter and early spring; profusely develops seedheads in spring; mostly dies in early summer after first drought and/or high temperatures.

MAJOR CHARACTERISTICS*:  Flattened stems grow in tufts (A) and sometimes root at lower nodes; leaves with boat-shaped tip and light green color; seed head arranged in shape of pyramid (B).

LOCATION:  Closely mowed, irrigated turf and/or shaded-moist areas.