Stinkgrass – Eragrostis cilianensis

Stinkgrass plant

Stinkgrass plant

New stinkgrass seedhead

New stinkgrass seedhead

New stinkgrass spikelet

New stinkgrass spikelet

Stinkgrass ligule

Stinkgrass ligule

Stinkgrass

Eragrostis cilianensis (All.) Vign. ex Janchen
Poaceae (Grass family)

Life cycle
Erect to spreading summer annual.

Leaves
Leaves are usually hairless and up to 6 inches long with a tuft of long, soft hair at
the collar region. Tiny, warty glands on the leaf margins and sheath release an unpleasant odor.

Ligule
Hairy.

Stems
Erect to spreading, up to 2-foot-tall, slender stems are branched at the base. Stems have a ring of tiny glands just below the nodes, which release an unpleasant odor.

Flowers and fruit
The seedhead is a dense to open, tan, gray-green to purple, pyramid-shaped panicle. Flattened and oblong, spikelets contain up to 40 reddish orange to brown, egg-shaped seeds.

Reproduction
Seeds.