Tridentea pachyrrhiza is a species of plant in the family Apocynaceae that is native to Namibia and South Africa.

Tridentea pachyrrhiza
Tridentea pachyrrhiza photographed in Northern Cape Province, South Africa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Tridentea
Species:
T. pachyrrhiza
Binomial name
Tridentea pachyrrhiza
Synonyms[2]
  • Stapelia pachyrrhiza Dinter
  • Stapelia umbonata Pillans
  • Ceropegia pachyrrhiza (Dinter) Bruyns

Distribution and habitat

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Tridentea pachyrrhiza is found in South Africa and coastal Namibia, from Buntveldschuh in the north to Buchuberg in the south, at elevations between 50–300 m (160–980 ft) above sea level. It grows on stony flats among low shrubs, rarely on rocky outcrops, and is often covered with drifting sand.[3][4]

Description

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Tridentea pachyrrhiza is a succulent plant that forms dense clumps measuring 60–200 mm (2.4–7.9 in) across. The stems are greyish green in colour, usually glabrous, and measure 30–60 mm (1.2–2.4 in) long and 10–15 mm (0.39–0.59 in) wide. The flowers are variable in colour and may measure up to 75 mm (3.0 in) across.[3][4]

References

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  1. ^ Craven, P. (2004). "Tridentea pachyrrhiza". IUCN Red List of Threatened Species. 2004: e.T46828A11084150. doi:10.2305/IUCN.UK.2004.RLTS.T46828A11084150.en. Retrieved 16 November 2021.
  2. ^ "Tridentea pachyrrhiza (Dinter) L.C.Leach". Plants of the World Online. Royal Botanic Gardens, Kew. n.d. Retrieved January 7, 2023.
  3. ^ a b Bruyns, Peter V. (2014). The Apocynaceae of Namibia. Strelitzia. Vol. 34. South African National Biodiversity Institute. p. 143. ISBN 978-1-919976-98-3. OCLC 903892993.
  4. ^ a b Loots, Sonja (2005). Red Data Book of Namibian Plants. Southern African Botanical Diversity Network report. Vol. 38. Southern African Botanical Diversity Network. p. 25. ISBN 1-919976-16-7. OCLC 61730546 – via ResearchGate.