| Trithuria filamentosa
is a very small plant that forms tiny cushions in
shallow water. It grows in subalpine and alpine lakes and tarns. The plants resemble mosses or tiny sedge or grass
tufts (e.g. Centrolepidaceae plants or tiny Isolepis
species). The leaves are grass-like and only 1-2 cm long. The
flowers are tiny, in few-flowered heads at the ends of erect stems
that reach only about as far as the leaves. Trithuria
is included among the monocots in this key
because of superficial similarity, but in fact they are more closely related to the water lilies. |
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