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Bouteloua curtipendula

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Kingdom  Plantae
Family  Poaceae
Scientific name  Bouteloua curtipendula
Rank  Species
Order  Poales
Genus  Bouteloua
Higher classification  Bouteloua
Bouteloua curtipendula httpsuploadwikimediaorgwikipediacommons88
Similar  Bouteloua, Grasses, Schizachyrium scoparium, Bouteloua gracilis, Sorghastrum nutans

Bouteloua curtipendula, commonly known as sideoats grama, is a perennial, short prairie grass that is native throughout the temperate and tropical Western Hemisphere, from Canada south to Argentina.

Contents

Description

Bouteloua curtipendula boutelouacurtipendulajudeenterreyver587jpg

Sideoats grama is a warm-season grass. The culms (flowering stems) are 30–100 cm (12–39.5 in) tall, and have alternate leaves that are concentrated at the bottom of the culm. The leaves are light green to blue-green in color, and up to 6 mm (14 in) across.

Bouteloua curtipendula Sideoats Grama Bouteloua curtipendula

The flowers bloom in summer and autumn. They are grouped in spikes or racemes that are positioned alternately along the top 15 to 25 cm (6 to 10 in) of the culm. There are 10–50 spikes per culm. Each spike contains 3–6 spikelets, or rarely as many as 10. Each spikelet is 4.5 to 10 mm (316 to 38 in) long and consists of two glumes and two florets. One of the florets is fertile, and has colorful orange to brownish red anthers and feathery white stigmas during the blooming period, which contrasts with the pale green, pale red, greenish-red, or purple color of the spikes themselves.

Bouteloua curtipendula Bouteloua at Digging Dog Bouteloua curtipendula Bouteloua

After it is pollinated, the spike becomes straw-colored. The fertile florets become seeds, and when they are ripe, the whole spike falls to the ground.

Distribution and habitat

Bouteloua curtipendula Bouteloua curtipendula Sideoats grama NPIN

Sideoats grama grows well on mountainous plateaus, rocky slopes, and sandy plains. It is drought- and cold-tolerant and is hardy in USDA hardiness zones 4–9 (average annual minimums of −30 to 25 °F, −34 to −4 °C).

Ecology

It provides larval food for the veined ctenucha (Ctenucha venosa).

Conservation

It is currently listed as a threatened species in the U.S. state of Michigan.

Uses

Sideoats grama is considered a good foraging grass for livestock. It is planted for erosion control.

Cultivation

It is cultivated as an ornamental plant for native plant and drought-tolerant gardens.

Culture

Sideoats grama is the state grass of Texas.


References

Bouteloua curtipendula Wikipedia


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