Encephalartos concinnus is a species of cycad in the family Zamiaceae. It is endemic to Zimbabwe. It is known as the Runde cycad.[1]
Encephalartos concinnus | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Gymnospermae |
Division: | Cycadophyta |
Class: | Cycadopsida |
Order: | Cycadales |
Family: | Zamiaceae |
Genus: | Encephalartos |
Species: | E. concinnus
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Binomial name | |
Encephalartos concinnus R.A. Dyer & Verdoorn 1969
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Description
editIt's a tree-like plant, growing up to 2.5–3 m tall with a 35–45 cm wide stem covered in soft hairs. Its leaves are arranged in a cluster at the top, reaching 150–200 cm in length with about 50 pairs of thin leaflets, each with small spines on the edges and positioned at a 45-80° angle from the stem.
This plant is dioecious, meaning it has separate male and female cones. The male cones are green, 30–50 cm long and 7–10 cm wide, while the female cones are green, 35–45 cm long, 15–20 cm wide, and oval-shaped. The seeds are oblong, measuring 30–35 mm in length and 8–23 mm in width, covered in a brown sarcotesta.[3]
Range
editThis species grows in steep, rocky, misty valleys and woodlands. There are three known subpopulations, though one has possibly been extirpated by collectors. The plant is threatened by overcollection.[1]
There are 3 subpopulations found in:[1]
References
edit- ^ a b c d Donaldson, J.S. (2010). "Encephalartos concinnus". IUCN Red List of Threatened Species. 2010: e.T41903A10586667. doi:10.2305/IUCN.UK.2010-3.RLTS.T41903A10586667.en. Retrieved 20 November 2021.
- ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
- ^ Verd., R.A. Dyer & I. (2006-12-11). "Flora of Zimbabwe: Species information: Encephalartos concinnus". zimbabweflora.co.zw. Retrieved 2024-01-03.
External links
edit- Encephalartos concinnus. Tropicos.
- Media related to Encephalartos concinnus at Wikimedia Commons
- Data related to Encephalartos concinnus at Wikispecies