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Spartina pectinata Bosc ex Link

Prairie cordgrass

Prairie cordgrass is a North American native.

Plants: Forms dense clumps 4–7′ (1.2–2.1 m) tall.

Leaves: Sharp-edged leaves are up to 4′ ⨉ ⅝″ (1.2 m ⨉ 1.6 cm).

Flowers: Flower stems appear above foliage, with combs of 5-50 spikelets of yellow-brown flowers. Each spikelet is green to purple, and ⅜–⅞″ (1–2.5 cm) long. They appear from July to August.

Fruits: Spikelets become light brown, shedding when mature. Seeds, when formed, are oblong and brown.

Habitats: River and lake shores, roadsides, fresh water marshes, upper edge of saline and brackish marshes, low areas in fields.

Online References:

Minnesota Wildflowers

The Missouri Botanical Garden

Go Botany

Sporobolus michauxianus (Hitchc.) P.M. Peterson & Saarela
Spartina michauxiana Hitchc.
Spartina pectinata Bosc ex Link var. suttiei (Farw.) Fernald

 

Spartina pectinata (prairie cordgrass)

9/9/2023 · Salt marsh, Flying Point, Georgetown, Maine · ≈ 6 × 9″ (16 × 23 cm)

Spartina pectinata (prairie cordgrass)

8/24/2023 · Morse Mountain, Phippsburg, Maine · ≈ 10 × 6″ (24 × 16 cm)

Spartina pectinata (prairie cordgrass)

9/18/2016 · Deer Isle Beach Vegetation Reclamation Project, Deer Isle, Maine

Spartina pectinata (prairie cordgrass)

9/18/2016 · Deer Isle Beach Vegetation Reclamation Project, Deer Isle, Maine

Spartina pectinata (prairie cordgrass)

8/1/2021 · Houghton Graves Park, Harpswell, Maine · ≈ 3½ × 5″ (9 × 13 cm)

Spartina pectinata (prairie cordgrass)

9/9/2023 · Salt marsh, Flying Point, Georgetown, Maine · ≈ 9 × 6″ (23 × 16 cm)

Spartina pectinata (prairie cordgrass)

8/1/2021 · Houghton Graves Park, Harpswell, Maine · ≈ 3½ × 5″ (9 × 13 cm)

Spartina pectinata (prairie cordgrass)

8/24/2023 · Morse Mountain, Phippsburg, Maine · ≈ 1½ × 1′ (52 × 34 cm)

Spartina pectinata (prairie cordgrass)

9/18/2016 · Deer Isle Beach Vegetation Reclamation Project, Deer Isle, Maine

Spartina pectinata (prairie cordgrass)

8/24/2023 · Morse Mountain, Phippsburg, Maine · ≈ 1 × 1½′ (34 × 52 cm)

Spartina pectinata (prairie cordgrass)

9/9/2023 · Salt marsh, Flying Point, Georgetown, Maine · ≈ 6 × 10″ (16 × 24 cm)

Spartina pectinata (prairie cordgrass)

9/9/2023 · Salt marsh, Flying Point, Georgetown, Maine · ≈ 8 × 11″ (20 × 27 cm)

Spartina pectinata (prairie cordgrass)

8/24/2023 · Morse Mountain, Phippsburg, Maine · ≈ 7 × 6″ (18 × 16 cm)

Spartina pectinata (prairie cordgrass)

8/1/2021 · Houghton Graves Park, Harpswell, Maine · ≈ 3½ × 5″ (9 × 13 cm)

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
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)
GenusSpartinaFrom the Greek spartine, a cord
SpeciespectinataComb-like

About plant names...

Range:

About this map...

Spartina pectinata description by Thomas H. Kent, not updated.

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