Biology:Nassella pulchra

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Short description: Species of grass

Nassella pulchra
Nassellapulchra.jpg

Secure (NatureServe)[1]
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Nassella
Species:
N. pulchra
Binomial name
Nassella pulchra
(Hitchc.) Barkworth[2]
Synonyms

Nassella pulchra, basionym Stipa pulchra, is a species of grass known by the common names purple needlegrass and purple tussockgrass.[4] It is native to the United States state of California , where it occurs throughout the coastal hills, valleys, and mountain ranges, as well as the Sacramento Valley and parts of the Sierra Nevada foothills, and Baja California.

It grows in many types of local habitat, including grassland, chaparral, and oak woodland. It grows well on clay and serpentine soils.[5]

Description

Nassella pulchra is a perennial bunch grass producing tufts of erect, unbranched stems up to 1 metre (3.3 ft) tall. The extensive root system can reach 20 feet (6.1 m) deep into the soil, making the grass more tolerant of drought.[6]

The open, nodding inflorescence is up to 60 centimeters long and has many branches bearing Spikelets.

The plant produces copious seed, up to 227 pounds per acre in dense stands.[5] The pointed fruit is purple-tinged when young and has an awn up to 10 centimeters long which is twisted and bent twice.[7][8] The shape of the seed helps it self-bury.[5]

Uses

This grass is the preferred material used by the California Indian basket weavers for teaching the art of basket weaving.[9]

State grass

Purple needlegrass became the California state grass in 2004.[10] It is considered a symbol of the state because it is viewed by some as one of the most widespread native California grasses, it supported Native American groups as well as Mexican ranchers, and it helps suppress invasive plant species and support native oaks.[10]

Ecology

In addition to supporting native oaks, it supports common branded skipper and Uncas skipper caterpillars.[11]

See also

References

  1. ↑ Nassella cernua. NatureServe.
  2. ↑  N. pulchra was published in Taxon; Official News Bulletin of the International Society for Plant Taxonomy, 39(4): 611. 1990. Utrecht, The Netherlands. "Plant Name Details for Nassella pulchra". IPNI. http://www.ipni.org:80/ipni/idPlantNameSearch.do?id=948422-1. Retrieved August 25, 2010. "Basionym to Stipa pulchra" 
  3. ↑  The basionym to N. pulchra, Stipa pulchra, was first described and published in American Journal of Botany, 1915, ii. 301. Lancaster, Penn. "Plant Name Details for Stipa pulchra". IPNI. http://www.ipni.org:80/ipni/idPlantNameSearch.do?id=423691-1. Retrieved August 25, 2010. "Notes: U.S.A. (Calif.)" 
  4. ↑ "Nassella pulchra". ITIS. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=507084. 
  5. ↑ 5.0 5.1 5.2 "Species: Nassella pulchra". https://www.fs.fed.us/database/feis/plants/graminoid/naspul/all.html. 
  6. ↑ California Native Perennial Grasses. Hastings Natural History Reservation.
  7. ↑ "UC/JEPS: Jepson Manual treatment for NASSELLA pulchra". http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8738,9138,9142. 
  8. ↑ "Grass Manual Treatment". http://herbarium.usu.edu/webmanual/info2.asp?name=Nassella_pulchra&type=treatment. 
  9. ↑ "Tolay Lake Park: Natural and Cultural History". Archived from the original on April 3, 2008. https://web.archive.org/web/20080403203132/http://www.friendsoftolay.org/cultural.html. 
  10. ↑ 10.0 10.1 "California State Grass, Purple Needlegrass (Nassella pulchra)". http://www.netstate.com/states/symb/grasses/ca_grass.htm. 
  11. ↑ The Xerces Society (2016), Gardening for Butterflies: How You Can Attract and Protect Beautiful, Beneficial Insects, Timber Press.

External links

Wikidata ☰ Q6967600 entry



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