|Cladium jamaicense subsp.
chinense, a monocot perennial height of 1-2m, grows dense in
wetlands near the seashores. The stems are stiff and grow thick to
make an extensive stock, and the linear leaves, 0.8-1cm in width,
are also challenging. On their upper parts bear 5-7 spikes with
dense three-millimeter oblong spikelets in them. Bloom time: