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Phleum pratense

Phleum pratense L.

Phleum nodosum L.

Phleum pratense L. ssp. nodosum (L.) Arcang.

Phleum pratense L. var. nodosum (L.) Huds.

Timothy

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassLiliopsidaMonocots (plants with a single seed leaf); includes the lily family
SubclassCommelinidaeDayflowers and spiderworts, and several others
OrderCyperalesFlowering plants including grasses
FamilyPoaceaeGrasses (but not sedges or rushes)
GenusPhleumFrom ancient Greek phleos, for a type of swamp-growing grass
Speciespratense“Growing in meadows”

About plant names...

Timothy is a grass native to Europe, now abundant throughout North America. It came to North America on the heels of early settlers and was first described here in 1711. Timothy Hanson promoted its use as hay in 1720, his first name becoming its common name. It is widely used for this purpose now, typically mixed with alfalfa for better nutritional balance. Some people are allergic to the pollen, which is released in prodigious quantities during the first half of summer.

Identification: Plants grow 20-59" (50-150 cm) high. Leaves are up to 18" (45 cm) × ⅜" (1 cm), and are dull green to grayish-blue. The seedhead is pale gray-green, unbranched and cylindrical, about 2½-7" (7-17 cm) × ¼-⅜" (8-10 mm). The narrow, neat seedheads are the most distinguishing feature. They become light brown in the fall.

Online References:

Phleum pratense on Wikipedia

Phleum pratense on Missouriplants.com

Phleum pratense at Illinois Wildflowers

Phleum pratense at Purdue University's Center for New Crops and Plants Products

Phleum pratense on Calflora

Phleum pratense on the USDA Plants Database

References:

Knobel, Edward, The Grasses, Sedges and Rushes of the United States, Bradlee Whidden, 1899, p. 7

Phleum pratense (Timothy)

By Dr. George Vasey.

Phleum pratense (Timothy)

6/22/2016 · Nashua River Rail Trail, Groton Center, Groton, MA

Phleum pratense (Timothy)

6/21/2010 · Nashua River Rail Trail, Groton Center, Groton, MA
≈ 4 × 6" (10 × 15 cm)

Phleum pratense (Timothy)

6/4/2010 · Nashua River Rail Trail, Ayer, MA
≈ 7 × 11" (18 × 27 cm)

Phleum pratense (Timothy)

6/4/2010 · Nashua River Rail Trail, Ayer, MA
≈ 9 × 14" (23 × 35 cm)

Phleum pratense (Timothy)

6/4/2010 · Nashua River Rail Trail, Ayer, MA
≈ 7 × 11" (18 × 27 cm)

Phleum pratense (Timothy)

6/28/2014 · Beaver Brook Conservation Area, Hollis, NH
≈ 5 × 7" (12 × 18 cm)

Phleum pratense description by Thomas H. Kent, last updated 7 Jul 2017.

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Phleum pratense (Timothy)

6/22/2016 · Nashua River Rail Trail, Groton Center, Groton, MA

Phleum pratense (Timothy)

6/14/2017 · Nashua River Rail Trail, Nashoba Hospital, Ayer, MA

Phleum pratense (Timothy)

6/14/2017 · Nashua River Rail Trail, Nashoba Hospital, Ayer, MA

Phleum pratense (Timothy)

6/1/2010 · Nashua River Rail Trail, Groton Center, Groton, MA
≈ 4½ × 7" (11 × 17 cm) ID is uncertain

Phleum pratense (Timothy)

6/29/2014 · Mount Agamenticus, York, ME
≈ 3½ × 4" (9 × 10 cm)

Phleum pratense (Timothy)

6/16/2010 · Nashua River Rail Trail, Groton Center, Groton, MA
≈ 4 × 6" (10 × 14 cm)

Phleum pratense (Timothy)

7/7/2017 · Nashua River Rail Trail, Nashoba Hospital, Ayer, MA

Phleum pratense (Timothy)

5/11/2012 · Nashua River Rail Trail, Nashoba Hospital, Ayer, MA
≈ 3½ × 4½" (9.2 × 11 cm) ID is uncertain

Phleum pratense (Timothy)

7/6/2017 · Mt. Watatic, access road, Ashby, MA
≈ 4 × 4" (10.0 × 10.0 cm)

Range:

About this map...