Glyceria acutiflora | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Clade: | Commelinids |
Order: | Poales |
Family: | Poaceae |
Subfamily: | Pooideae |
Genus: | Glyceria |
Species: | G. acutiflora |
Binomial name | |
Glyceria acutiflora | |
Synonyms [1] | |
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Glyceria acutiflora, the creeping mannagrass, is a perennial grass found in the north-eastern United States and in north-eastern Asia. Its specific epithet acutiflora means "acute-flowered". It has a diploid number of 40.
Glyceria acutiflora is a coarse grass with flattened, slender culms growing 30–100 cm (12–39 in) high from decumbent bases. Its leaf sheaths overlap each other, with the highest overlapping the base of the panicle. Its ligules are 5–9 mm (0.20–0.35 in) long. Its scabrous leaf blades are 6–20 cm (2.4–7.9 in) long and 1–7 mm (0.039–0.276 in) wide. Its simple or subsimple panicle is 15–40 cm (5.9–15.7 in) long, with appressed or somewhat spreading floral branches. Its subsessile spikelets are 1.5–4 cm (0.59–1.57 in) long with five to thirteen flowers. Its acute glumes are unequal, with lower glumes being 1.3–4.5 mm (0.051–0.177 in) and upper glumes 3–7 mm (0.12–0.28 in) long. Its seven-veined lemmas are 6–10 mm (0.24–0.39 in) long, strongly acute, and scabrous; its bicuspidate paleas exceed its lemmas by 1.5–3 mm (0.059–0.118 in). The grass flowers from May to July and rarely into August. [2]
The long paleas of G. acutiflora make it one of the most distinctive species of Glyceria in North America. [3] When immature and still growing, the grass resembles Glyceria borealis . [4]
Glyceria acutiflora can be found growing in muddy pools and the margins of ponds from New Hampshire to Michigan and south to Tennessee and Missouri. [2] The grass is a problematic weed in China, germinating over a wide range of temperatures and being resistant to osmotic and salt stress. [5]
Bromus arvensis, the field brome, is a brome grass native to Europe and Asia. The specific epithet arvensis is Latin, meaning "of cultivated land".
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Bromus ciliatus is a species of brome grass known by the common name fringed brome. It is native to most of North America, including most of Canada, most of the United States except for some portions of the South, and northern Mexico. It is a plant of many habitats, including temperate coniferous forest. The specific epithet ciliatus is Latin for "ciliate", referring to the delicate hairs of the leaf blades.
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Melica ciliata, the hairy melic or silky spike melic, is a species of flowering plant in the grass family Poaceae, native to Europe, north Africa and temperate Asia. It has been introduced to South Australia.
Hopia obtusa is a species of grass commonly known as vine mesquite. This plant was treated as Panicum obtusum until recently when more molecular and genetic material revealed new information about it. Hopia obtusa is now placed in the monotypic genus Hopia.
Melica subflava, is a species of grass that is endemic to China.
Bromus japonicus, the Japanese brome, is an annual brome grass native to Eurasia. The grass has a diploid number of 14.
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Festuca brachyphylla, commonly known as alpine fescue or short-leaved fescue, is a grass native to Eurasia, North America, and the Arctic. The grass is used for erosion control and revegetation. The specific epithet brachyphylla means "short-leaved". The grass has a diploid number of 28, 42, or 44. This species was first described in 1827.
Festuca saximontana, the rocky mountain fescue or the mountain fescue, is a perennial grass native to North America. The specific epithet saximontana is Latin and means "of the Rocky Mountains". The grass has a diploid number of 42.
Puccinellia laurentiana is a perennial grass which grows on gravelly seashores in south-eastern Canada. Its specific epithet "laurentiana" refers to the Gulf of St. Lawrence, where it grows.
Puccinellia lucida is a perennial grass which grows in south-eastern Canada and occasionally elsewhere in the United States. Its specific epithet lucida means "shining", referring to the plant's lustrous glumes.
Glyceria melicaria, the melic mannagrass or northeastern mannagrass, is a perennial grass found in the eastern United States. Its specific epithet melicaria means "similar to Melica". Its diploid number is 40.
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