It is an arborescent plant, with erect or decumbent stem, without branches, up to 2.5–3 m tall and with a diameter of 35–45 cm, covered with tomentose cataphylls.
The pinnate leaves, arranged in a crown at the apex of the stem, are 150–200 cm long, composed of about 50 pairs of lanceolate leaflets, with margins endowed with small spines and arranged on the rachis at an angle of 45-80°.
It is a dioecious species, endowed with 1-4 fusiform male cones, sessile, green in color, 30–50 cm long and with a diameter of 7–10 cm, with broad and rhombic-shaped microsporophylls, and 1-2 female cones, ovoid, always green, but 35–45 cm long and with a diameter of 15–20 cm, with macrosporophylls with a warty surface.
The seeds have an oblong shape, are 30–35 mm long, have a width of 8–23 mm and are covered with a brown sarcotesta.[2]
Rangeedit
This species grows in steep, rocky, misty valleys and woodlands. There are three known subpopulations, though one may have been extirpated. The plant is threatened by overcollection.[1]
^ abcdDonaldson, 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.
^"Encephalartos concinnus". PlantNET Home Page - National Herbarium of New South Wales. Retrieved 2019-09-17.
External linksedit
Encephalartos concinnus. Tropicos.
Media related to Encephalartos concinnus at Wikimedia Commons
Data related to Encephalartos concinnus at Wikispecies
This cycad article is a stub. You can help Wikipedia by expanding it.
encephalartos, concinnus, species, cycad, family, zamiaceae, endemic, zimbabwe, known, runde, cycad, conservation, statusendangered, iucn, scientific, classificationkingdom, plantaeclade, tracheophytesclade, gymnospermsdivision, cycadophytaclass, cycadopsidaor. 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 concinnusConservation statusEndangered IUCN 3 1 1 Scientific classificationKingdom PlantaeClade TracheophytesClade GymnospermsDivision CycadophytaClass CycadopsidaOrder CycadalesFamily ZamiaceaeGenus EncephalartosSpecies E concinnusBinomial nameEncephalartos concinnusR A Dyer amp Verdoorn 1969 Contents 1 Description 2 Range 3 References 4 External linksDescription editIt is an arborescent plant with erect or decumbent stem without branches up to 2 5 3 m tall and with a diameter of 35 45 cm covered with tomentose cataphylls The pinnate leaves arranged in a crown at the apex of the stem are 150 200 cm long composed of about 50 pairs of lanceolate leaflets with margins endowed with small spines and arranged on the rachis at an angle of 45 80 It is a dioecious species endowed with 1 4 fusiform male cones sessile green in color 30 50 cm long and with a diameter of 7 10 cm with broad and rhombic shaped microsporophylls and 1 2 female cones ovoid always green but 35 45 cm long and with a diameter of 15 20 cm with macrosporophylls with a warty surface The seeds have an oblong shape are 30 35 mm long have a width of 8 23 mm and are covered with a brown sarcotesta 2 Range editThis species grows in steep rocky misty valleys and woodlands There are three known subpopulations though one may have been extirpated The plant is threatened by overcollection 1 There are 3 subpopulations found in 1 Gwanda Matabeleland South Mberengwa Midlands Runde MasvingoReferences 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 Encephalartos concinnus PlantNET Home Page National Herbarium of New South Wales Retrieved 2019 09 17 External links editEncephalartos concinnus Tropicos nbsp Media related to Encephalartos concinnus at Wikimedia Commons nbsp Data related to Encephalartos concinnus at Wikispecies nbsp This cycad article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Encephalartos concinnus amp oldid 1056158036, wikipedia, wiki, book, books, library,
