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Mammoth wild rye

How to identify Mammoth wild rye (Leymus racemosus)

Mammoth wild rye, also known as Siberian lyme grass

Mammoth wild rye is characterized by its robust, clump-forming habit with a rapid spread. It thrives in cool climates, displaying resilience to dry conditions. The foliage consists of long, arching leaves, reaching 8-16 inches (20-40 cm) in length. During the late spring months, this grass produces distinctive tall spikes adorned with flowers, which typically emerge from May to June. Its versatile nature allows it to inhabit various landscapes, including those with saline-rich soils.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Grass

Leaf Type

Leaf Type: Semi-evergreen

Quickly Identify Mammoth wild rye

1

Robust clump-forming habit in cool climates.

2

Long, arching steel-blue leaves, 8-16 inches (20-40 cm) long.

3

Distinctive tall spikes with hairy florets, 6-14 inches (15-35 cm) tall.

4

Versatile in saline-rich soils with rapid spread.

5

Linear leaves with parallel venation, smooth texture, and glossy appearance.

Mammoth wild ryeMammoth wild rye

Detailed Traits of Mammoth wild rye

Leaf Features

The leaves of mammoth wild rye exhibit a distinct steel-blue coloration, contributing to their striking appearance. They are flat and range from 8 to 16 inches (20 to 40 cm) in length, with a width of 0.3 to 0.7 inches (0.8 to 1.8 cm). The leaves have a smooth and somewhat glossy texture, making them easily distinguishable. They are linear in shape with parallel venation, which means the leaf veins run parallel to each other from base to tip, providing structural integrity and support.

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Flower Features

Mammoth wild rye produces flowers in a spike arrangement, standing 6 to 14 inches (15 to 35 cm) tall. Each node on the spike bears 3 to 8 sessile spikelets, each containing 4 to 6 florets. The florets are notable for being hairy, a feature which aids in identification. While the floral scent and specific blooming period aren't detailed, the physical structure and hairy characteristics of the florets are distinctive. The flowers' overall structure is elongated and compact.

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Key Facts About Mammoth wild rye

Attributes of Mammoth wild rye
Lifespan
Perennial
Plant Type
Grass
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Scientific Classification of Mammoth wild rye

Family
Grass
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Species
Mammoth wild rye (Leymus racemosus)
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Distribution Map of Mammoth wild rye

Mammoth wild rye, a perennial grass, is native to certain temperate regions of the Northern Hemisphere. It has spread beyond its natural range, now found in parts of Eastern Europe and the Southern Hemisphere. This plant thrives mainly in continental climates and has adapted to various climates in its introduced territories.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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