Cheiridopsis umdausensis

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Cheiridopsis umdausensis
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Aizoaceae
Genus: Cheiridopsis
Species:
C. umdausensis
Binomial name
Cheiridopsis umdausensis
L.Bolus

Cheiridopsis umdausensis is a species of succulent plant from South Africa.

Contents

Description

This succulent subshrub form cushions that grow up to a height 20 centimetres (7.9 in) of with a diameter of 45 cm (18 in). The stout stems are chestnut brown in colour. [1] the dark green leaves grow in parallel pairs and have a whitish sheen. [1] [2] They turn a dark maroon as summer approaches. [2] They have a short, toothed keel and may have toothed margins. [1] They are also covered in conspicuous white spots. [2]

Flowers are present between August and September. They are yellow in colour and are solitarily borne. [3] They form a spherical 10-locular fruit. The fruits are ruby red in colour when young. [3]

This plant is similar to Cheiridopsis aspera but it is more compact with thicker and more coarsely toothed leaves. The flowers also have stouter stems and the fruits far larger closing bodies. [2]

Distribution and habitat

This species is endemic to the Northern Cape of South Africa. It has historically been lost, but it was rediscovered and is now known from a single hill northwest of Steinkopf. In 1990 this population consisted of about 200 plants. [2] While it prefers hot quartzite slopes, it was found to be most common where plants could receive some shade from taller vegetation. [2] [3]

Conservation

Cheiridopsis umdausensis is considered to be vulnerable by the South African National Biodiversity Institute. It is potentially at risk of overgrazing and being trampled on by goats at the only location it is currently known from. [4]

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References

  1. 1 2 3 e-Flora of South Africa. v1.36. 2022. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.36
  2. 1 2 3 4 5 6 Hammer, Steven (1993). "Macro-Observations on Cheiridopsis N.E.Br. and Odontophorus N.E.Br. (Aizoaceae)". Bradleya. 11 (11): 75–85. doi:10.25223/brad.n11.1993.a5. ISSN   0265-086X. S2CID   91077749.
  3. 1 2 3 Snijman, D.A. (2013). Plants of the Greater Cape Floristic Regionn, Vol. 2: the Extra Cape flora (PDF). Strelitzia. John Manning, Peter Goldblatt. Pretoria: South African National Biodiversity Institute. ISBN   978-1-919976-74-7. OCLC   866860203.
  4. Victor, J.E.; Klak, C. (2006). "Cheiridopsis umdausensis L.Bolus. National Assessment: Red List of South African Plants version 2020.1". SANBI Red List of South African Plants.