Grass (Sporobolus caespitosus)

loading
Sporobolus caespitosus foliage
loading
Loading more images and videos...

Grass fact file

Grass description

KingdomPlantae
PhylumTracheophyta
ClassLiliopsida
OrderCyperales
FamilyGramineae
GenusSporobolus (1)

Sporobolus caespitosus is a small, perennial grass that is native to Ascension Island (2). Plants grow together in short, thick tufts in which many of the outer leaves are dead and the flower spike is usually hidden amongst the leaf blades (2).

Size
Height: less than 10 cm (2)
Top

Grass biology

Information currently unavailable.

Top

Grass range

Endemic to Ascension Island in the South Atlantic, this species is now restricted to the exposed sides of Green Mountain (3).

Top

Grass habitat

This species inhabits some of the more exposed sites, such as bare rock slopes and steep cinder banks. It is found at altitudes greater than 600 metres above sea level (2).

Top

Grass status

Sporobolus caespitosus is classified as Critically Endangered (CR) on the IUCN Red List (1).

IUCN Red List species status – Critically Endangered

Top

Grass threats

It is thought that Sporobolus caespitosus was previously more abundant than it is today. It may be suffering from competition with introduced species, such as the grasses Sporobolus africanus, Melinis minutiflora and Paspalum conjungatum (3).

Top

Grass conservation

Ascension Conservation is involved with monitoring the population of this rare grass and will be in a position to assess the effects of competition (3).

Top

Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact:
arkive@wildscreen.org.uk

Top

Glossary

Endemic
A species or taxonomic group that is only found in one particular country or geographic area.
Perennial
Plants that live for at least three seasons; after an initial period they produce flowers once a year.
Top

References

  1. IUCN Red List (August, 2012)
    http://www.iucnredlist.org/
  2. Ashmole, P. & Ashmole, M. (2000) St. Helena and Ascension Island: a natural history.
  3. Anthony Nelson, England. Gray, A. (2003) Red List Assessment Form. Ascension Conservation.
X
Close

Image credit

Sporobolus caespitosus foliage  
Sporobolus caespitosus foliage

© Martin Hamilton / Royal Botanic Gardens, Kew

Royal Botanic Gardens, Kew
Richmond
Surrey
TW9 3AB
United Kingdom
Tel: +44 (0) 208 332 5000
Fax: +44 (0) 208 332 5197
info@kew.org
http://www.rbgkew.org.uk

X
Close

Link to this photo

ARKive species - Grass (Sporobolus caespitosus) Embed this ARKive thumbnail link ("portlet") by copying and pasting the code below.

Terms of Use - The displayed portlet may be used as a link from your website to ARKive's online content for private, scientific, conservation or educational purposes only. It may NOT be used within Apps.

Read more about

X
Close

MyARKive

MyARKive offers the scrapbook feature to signed-up members, allowing you to organize your favourite ARKive images and videos and share them with friends.

Play the Team WILD game:

Team WILD, an elite squadron of science superheroes, needs your help! Your mission: protect and conserve the planet’s species and habitats from destruction.

Conservation in Action

Which species are on the road to recovery? Find out now »

Help us share the wonders of the natural world. Donate today!

Blog