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Schizachyrium sanguineum - crimson bluestem

Scientific Family
Poaceae
Synonyms
Andropogon semiberbis, Rottboellia sanguinea, Schizachyrium semiberbe and more see SEINET
Other common names
crimson false bluestem
red autumn grass
Plant type
Grasses
Riparian
No

Grass Description

Origin
Native
Season
Warm

Found on rocky slopes and well drained soils.

Plant Community
Grasslands
Interior Chaparral
Pinyon Juniper Woodlands
Low elevation
4000
High elevation
5500

General Description

A hardy, robust, tufted perennial grass. Although the seed heads are quite inconspicuous, the attractive feature of this grass is the beautiful red color the whole plant turns in autumn and carries on through winter.

Erect perennial; stems 15 to 48 inches long, branched sparingly at upper nodes; seedhead a single branch lined with sessile and stemmed spikelet pairs; sessile spikelet 2-flowered; upper lemmas are cleft for 2/3 of their length.

Grass type
Perennial bunchgrass
Rhizomes
No
Stolons
No
Clump Diameter 2 ft or more
No
Bushy - highly branched
No
Height with Seedheads
Greater than 36 inches
Seedhead Structure
Branched - contracted
Seedhead droops
No
First bloom month
June
Last bloom month
October

Flower Characteristics

Flowers per Spikelet
Multi-flowered
Spikelets One-Sided
No
Awns
Less than 1/4 inch
Three Awns
No
Awns bent
No
Flower and Seedhead Notes

Seedheads consist of a single branch that protrudes from the uppermost leaf sheath at maturity. Spikelets are grouped in pairs; one spikelet is attached directly to the seedhead and is fertile, the other is attached with a short stalk and is sterile.

Vegetative Characteristics

Blade is hairy
Yes
Blade margins white
No
Blade cross-section
Flat

Blades are flat, 2-3/4 to 7-3/4 inches long and less than 1/4 inch wide. Leaf blades may be smooth or hairy and have a tuft of long hairs at the leaf bases.

Sheath is hairy
No
Tufts of hair top of sheath or collar
Yes
Ligule
Membranous
Auricles
No

Provides fair to good pasture when young.