Fakahatchee grass Tripsacum dactyloides
Other Common Name(s):
- Phonetic Spelling
- TRIP-sack-um dac-til-OYD-eez
- Description
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Eastern gamagrass is a warm-season perennial clumping grass native to eastern North America and found throughout North Carolina. The origin of the name ‘gamagrass’ is unclear but may have derived from “grama,” a common name for pasture grasses in the unrelated genus Bouteloua.
This species can be found in wet to mesic conditions in full to near-full sun, often at roadsides, streambanks, ditches, and edge habitats. It prefers fertile loamy soils. Its habitat preferences in North Carolina are not well-researched.
Eastern gamagrass is a distant relative of cultivated corn (Zea mays). Much like corn, this grass has broad leaves with conspicuous midveins. It can attain large sizes and reproduce vegetatively through its rhizomes, though its growth habit is not particularly aggressive. The inflorescence is a long spike with sessile spikelets that look like stacks of cylinders. Male and female spikelets occur in separate groups on the same spike.
Being a large grass with broad, arching leaves, eastern gamagrass can make a good ornamental. It may be also be selected for its wildlife value in native gardens or natural areas. It provides cover for game, including quail and deer. Allocate plenty of room for gamagrass in the garden. Gamagrass can survive irregular mowing and should be cut back in the winter.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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Attributes:
- Genus:
- Tripsacum
- Species:
- dactyloides
- Family:
- Poaceae
- Country Or Region Of Origin:
- Eastern North America
- Distribution:
- Widespread in eastern US. Found throughout NC, but rare in the Mountains.
- Wildlife Value:
- Provides cover for native wildlife, notably quail. Larval host for some grass skippers (Herperiinae, notably the Byssus skipper). Foliage browsed by cattle (historically by bison and elk). Seeds are consumed by granivorous birds and mammals.
- Dimensions:
- Height: 4 ft. 0 in. - 6 ft. 0 in.
- Width: 2 ft. 0 in. - 4 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Herbaceous Perennial
- Native Plant
- Ornamental Grasses and Sedges
- Habit/Form:
- Clumping
- Erect
- Maintenance:
- Low
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- Clay
- Loam (Silt)
- Sand
- Soil pH:
- Acid (<6.0)
- Neutral (6.0-8.0)
- Soil Drainage:
- Moist
- Occasionally Dry
- Occasionally Wet
- Available Space To Plant:
- 3 feet-6 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 6a, 6b, 7a, 7b, 8a, 8b, 9a
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Flowers:
- Flower Color:
- Brown/Copper
- Green
- Red/Burgundy
- Flower Inflorescence:
- Spike
- Flower Bloom Time:
- Summer
- Flower Petals:
- Bracts
- Flower Size:
- > 6 inches
- Flower Description:
- Culms terminating in 1-3 inflorescences, each consisting of a male spike stacked atop a female spike. Each male floret has three stamens hanging down with conspicuous reddish anthers. Female spikes are cylindrical, with a constriction between each spikelet; they look like a stack of small cylinders. When they are mature one can easily snap off a spikelet from the one below it.
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Leaves:
- Leaf Color:
- Green
- Leaf Value To Gardener:
- Long-lasting
- Showy
- Leaf Type:
- Sheath
- Leaf Arrangement:
- Alternate
- Leaf Shape:
- Linear
- Hairs Present:
- No
- Leaf Length:
- > 6 inches
- Leaf Width:
- 1-3 inches
- Leaf Description:
- Leaves broad, glabrous, 2-3 feet long with parallel veins including a prominent white-yellowish midvein. Leaf blades arching and floppy. Ligules with with short white hairs. The leaf sheaths are light green to reddish green, glabrous, longitudinally veined, and open.
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Stem:
- Stem Color:
- Green
- Red/Burgundy
- Stem Is Aromatic:
- No
- Stem Form:
- Straight
- Stem Description:
- Culms (flowering stems) 4-6 feet, rarely up to 12 feet, erect. Light green to pale reddish, glabrous, terete, usually unbranched.
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Landscape:
- Landscape Theme:
- Native Garden
- Rain Garden
- Attracts:
- Reptiles
- Small Mammals
- Songbirds