Fimbristylis autumnalis (L.) Roem & Schult.

Slender Fimbry

Fimbristylis autumnalis plant

Family - Cyperaceae

Stems - No info yet.

Fimbristylis autumnalis baseBase of plant.

Fimbristylis autumnalis stemFlattened stem (culm).

Leaves - No info yet.

Fimbristylis autumnalis liguleArrow shows ligule.

Inflorescence - No info yet.

Fimbristylis autumnalis bractBract of inflorescence.

Flowers - No info yet.

Fimbristylis autumnalis spikeletsSpikelets.

Fimbristylis autumnalis spikeletsMature spikelets.

Flowering - June - October.

Habitat - Sandbars, gravel bars, mudflats, pond and lake margins, moist ditches, moist depressions of upland prairies and glades, sandy fields.

Origin - Native to U.S.

Other info. - This annual species can be found mainly in the southern half of Missouri but can be found in a few counties north of the Missouri River also. The plant can be identified by its thin leaves, compressed culms, lanceolate spikelets, and trigonous fruits.
Fruits of this genus lack subtending bristles which are found in most other members of the family.

Photographs taken off Lee Rd 27, Auburn, AL., 9-7-05.