Hillman's Pan-grass -introduced (*Panicum hillmanii)

Native to North America. Annual.

Family. Poaceae (Grass family).

Identification:

• the flower cluster is a very open panicle
• the 1st glume less than half the lemma length
• the 2nd glume about equals the lemma length
• the 1st lemma is sterile (i.e.does not produce seed), the 2nd lemma is smaller and fertile
• the leaves are green and flat.

A summer grass, it grows strongly in mid summer.

It is fairly common and favours roadside drains.

Coolah Grass (Panicum coloratum) differs in that its first lemma has anthers. A similar grass, Rigid Panic (Walwhalleya proluta) differs in that its first glume is more than half the length of the spikelet.

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