Kingdom:
Phylum:
Angiosperms
Order:
Poales
Family:
Genus:
Species:
infirma
ID:
893282

Status:
valid

Authors:
Kunth

Source:
wcs

Year:
1816

Citation Micro:
Nov. Gen. Sp. 1: 158 (1816)

WFO Identifier:
wfo-0000892617

Common Names

  • Poa infirma
  • Weak Meadowgrass
  • Weak Bluegrass

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Description

Poa infirma (also called Weak Bluegrass, among many other common names) is a perennial grass native to Europe, Asia, and North America. It grows in moist meadows, along roadsides, and in disturbed areas. It has a tufted growth habit and its leaves are flat and linear with a pointed tip. The inflorescence is a panicle of spikelets, each with a single floret.

Uses & Benefits

Poa infirma is used as a forage grass for livestock, as a ground cover in lawns and gardens, and as an ornamental grass in landscaping. It is also used to stabilize soil and control erosion.

Flower, Seeds and Seedlings

Poa infirma has small, white flowers that grow in clusters. The seeds are small, round and dark brown in color. The seedlings are small and light green in color.

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Cultivation and Propagation

Poa infirma is an annual grass that grows in moist, shady areas. It can be propagated by seed or division. Seed should be sown in spring or autumn in a sunny or partially shaded position in moist, well-drained soil. Division can be done in spring or autumn. Plants should be divided every 3-4 years to maintain vigor.

Where to Find Poa infirma

Poa infirma is native to Europe and can be found in grasslands, meadows, and pastures.

Species in the Poaceae family

Achnatherum pekinense, Achnatherum pubicalyx, Achnatherum sibiricum, Achnatherum turcomanicum, Achnatherum brandisii, Achnatherum bromoides, Achnatherum calamagrostis, Achnatherum confusum, Achnatherum inebrians, Achnatherum jacquemontii, Achnatherum virescens, Achnatherum paradoxum, Achnatherum nakaii, Achnatherum pelliotii, Achnatherum haussknechtii, Achnatherum mandavillei, Achnatherum pilosum, Achnatherum parviflorum, Achnatherum staintonii, Aciachne acicularis, Aciachne flagellifera, Aciachne pulvinata, Acidosasa breviclavata, Acidosasa brilletii, Acidosasa chinensis, Acidosasa edulis, Acidosasa glauca, Acidosasa guangxiensis, Acidosasa lingchuanensis, Acidosasa nanunica, Acidosasa notata, Acidosasa purpurea, Acidosasa venusta, Acidosasa carinata, Acostia gracilis, Acrachne henrardiana, Acrachne perrieri, Acrachne racemosa, Acritochaete volkensii, Acroceras amplectens, Acroceras attenuatum, Acroceras boivinii, Acroceras bosseri, Acroceras calcicola, Acroceras chaseae, Acroceras diffusum, Acroceras elegans, Acroceras excavatum, Acroceras fluminense, Acroceras gabunense,

References

Carl Sigismund Kunth (1788-1850): Based on occurrence of standard abbreviation 'Kunth' in the authors string.
POWO record for urn:lsid:ipni.org:names:417256-1: Govaerts R (ed.). 2023. WCVP: World Checklist of Vascular Plants [Version 11]. Facilitated by the Royal Botanic Gardens, Kew. [WWW document] URL http://sftp.kew.org/pub/data-repositories/WCVP/ [accessed 20 April 2023].