Oregon Semaphoregrass (Pleuropogon oregonus)
Description
Pleuropogon oregonus is a rhizomatous perennial grass, producing stems up to 90 to 95 centimeters tall. The erect stems are spongy in texture. The ligule may be a centimeter long. The leaves are up to 17 centimeters long.The inflorescence is a raceme bearing 6, 7, or 8 spikelets. The spikelets are up to 4 or 5 centimeters long and stick out from one side of the raceme. The spikelets are green with a purple tinge and each contains up to 14 flowers.Flowering occurs in June and July
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Liliopsida
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Order: Poales
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Family: Poaceae
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Genus: Pleuropogon
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