Panicum philadelphicum Bernh. Go to Encyclopedia of Life Family: Poaceae. Annual herb, tufted 8 cm - 1 m tall Leaves : often crowded at the base. Sheaths usually longer than internodes, rounded, hairy hairs to 5 mm long and bumpy-based. Ligules 0. Blades upright to ascending, greenish or purplish, 3 - 30 cm long, 2 - 12 mm wide, linear with a truncate cut straight across to nearly heart-shaped base and pointed tip, flat, parallel-veined, stiff-hairy to sparsely soft-hairy, marginally fringed with hairs at the base.
Inflorescence : a branched arrangement of spikelets panicle , diffuse, 7 - 27 cm long, 4 - 24 cm wide, one-fourth to one-third as long as the plant, with spreading primary branches and appressed to diverging secondary branches.
Secondary branches with one to four spikelets. Fruit : a caryopsis, indehiscent, enclosed within the persistent lemma and palea. Culm : upright to decumbent, unbranched to many-branched, 8 cm - 1 m long, about 1 mm wide, round in cross-section, hairy hairs bumpy-based. Nodes sparsely to densely soft-hairy. Spikelets : green, 1. Glumes : unequal, herbaceous. Natural Areas Journal 5 3 In: Conservation and management of rare and endangered plants.
California Native Plant Society, Sacramento. Technical References Braun, E. The Monocotyledoneae of Ohio. Cat-tails to Orchids. Ohio State University Press, Columbus. Flora of North America Editorial Committee. Flora of North America, North of Mexico.
Volume Magnoliaphyta: Commelinidae in part : Poaceae, part 2. Oxford University Press, New York. Gleason, H. Second edition. Godfrey, R. University of Georgia Press, Athens. Gray, A. Gray's Manual of Botany; eighth ed. Van Nostrand Reinghold, New York. Hitchcock, A. Manual of the Grasses of the United States.
To reuse an image, please click it to see who you will need to contact. Non-native: introduced intentionally or unintentionally ; has become naturalized.
County documented: documented to exist in the county by evidence herbarium specimen, photograph. Also covers those considered historical not seen in 20 years. State documented: documented to exist in the state, but not documented to a county within the state. Note: when native and non-native populations both exist in a county, only native status is shown on the map.
Found this plant? Take a photo and post a sighting. Philadelphia panicgrass inhabits river shores, sandbars, fields, roadsides, ditches and open woodlands. There are two varieties in New England.
One Panicum philadelphicum var. Occurs in wetlands or non-wetlands. Wetland indicator code: FAC.
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