Cyperus compressus

Cyperus compressus, commonly known as annual sedge, is a sedge of the family Cyperaceae that has a wide distribution throughout countries with warmer climates. It is found in tropical areas of Africa, Asia and the Americas.[1]

Annual sedge
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Cyperus
Species:
C. compressus
Binomial name
Cyperus compressus
Cyperus compressus inflorescence

In Europe it is commonly known as hedgehog sedge and the French know it as souchet comprimé. In India it is called mothi and in Japan it is known as kugugayatsuri.[1]

Description

The annual sedge typically grows to a height of 0.1 to 0.75 metres (0.3 to 2.5 ft) and has a tufted habit. It blooms between May and December and produces green-yellow-brown flowers.[2] The erect and glabrous grass has fine and numerous roots. It as slender or rigidulous, trigonous stems that are 0.5 to 2.0 millimetres (0.020 to 0.079 in) thick. Red-purple, loose, open leaf sheaths cover the base of the plant with the leaves being much sorter than the stems. The leaves are greyish-green in colour with a narrowly linear shape and a width of 1.5 to 4.0 mm (0.06 to 0.16 in). The inflorescence is composed of umbellate spikes, with three to four rays hat are up to 8 centimetres (3 in) in length.[1] Following flowering it will form a dark brown to black trigonous nut that has a broad-obovoid shape. The nut is about 1.5 mm (0.059 in) in length with a diameter of about 1 mm (0.039 in).[3]

Distribution

It has a wide distribution throughout Asia, especially in India, Malaysia, Pakistan and the Philippines. It is found through much of Africa from Egypt to Zimbabwe. In the Americas it is found in the southern USA, Honduras, Costa Rica and Suriname. It is also found in Fiji and New Guinea. It is a pantropical species, mostly found in moist places such as irrigated fields, ditches, stream beds, pond margins and lawns. It grows in many soil types usually sandy or alluvial and clay soils.[1]

It has become introduced in many areas, in Western Australia it is found in damp areas in the Kimberley region.[2] It is also found in Queensland, New South Wales and the Northern Territory.[3]

gollark: You might be better off just getting a gaming laptop and NUC/RPi/old rack server for your server needs.
gollark: I'm not sure why you would want a server-y laptop though, given that most of the value of a laptop is that it's somewhat portable and will so spend some time powered off and away from internet connectivity?
gollark: If the GPU is external it isn't a *massive* issue.
gollark: I guess it would be good if you get one of the thin-and-light sort of laptops.
gollark: The Legions have RTX 2060/3060 and up options anyway, so your eGPU isn't really necessary.

See also

References
  1. "Cyperus compressus (annual sedge)". Invasive Species Compendium. Centre for Agriculture and Biosciences International. Retrieved 30 September 2017.
  2. "Cyperus compressus". FloraBase. Western Australian Government Department of Parks and Wildlife.
  3. "Cyperus compressus L." PlantNET. Royal Botanic Garden, Sydney. Retrieved 30 September 2017.
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