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Encephalartos delucanus

From Wikipedia, the free encyclopedia

Encephalartos delucanus
CITES Appendix I (CITES)[2]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Cycadophyta
Class: Cycadopsida
Order: Cycadales
Family: Zamiaceae
Genus: Encephalartos
Species:
E. delucanus
Binomial name
Encephalartos delucanus
Malaisse, Sclavo & Crosiers

Encephalartos delucanus is a species of cycad in Africa.

Description

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It is an acaule plant, with a stem 12 cm high and 10–20 cm in diameter, covered with densely tomentose cataphyllans. The leaves are 50–65 cm long and are composed of 25-35 pairs of leathery leaflets arranged on the spine alternately, reduced to thorns towards the base of the petiole, tomentose on the dorsal side and glabrous on the ventral side. It is a dioecious species, of which only male specimens have been described. They possess 1 or rarely 2 cylindrical cones, 10–20 cm long and 2–3 cm broad, green in color.[3]

Habitat

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It is found only in the Rukwa Region of western Tanzania. Populations are found in:[4]

References

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  1. ^ Donaldson, J.S. (2010). "Encephalartos delucanus". IUCN Red List of Threatened Species. 2010: e.T41914A10593284. doi:10.2305/IUCN.UK.2010-3.RLTS.T41914A10593284.en. Retrieved 20 November 2021.
  2. ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. ^ "Encephalartos delucanus". PlantNET Home Page - National Herbarium of New South Wales. Archived from the original on 2014-06-23. Retrieved 2019-09-17.
  4. ^ Donaldson, J.S. (2010). "Encephalartos delucanus". IUCN Red List of Threatened Species. 2010: e.T41914A10593284. doi:10.2305/IUCN.UK.2010-3.RLTS.T41914A10593284.en. Retrieved 11 January 2020.
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