Encephalartos altensteinii

Encephalartos Altensteinii in Lednice Greenhouse

Encephalartos altensteinii kz3

Encephalartos altensteinii, vroulike keëls, Manie van der Schijff BT, a

Encephalartos altensteinii is a species of cycad in the family Zamiaceae. It is native to the eastern Cape Province of South Africa. This species is named after the German botanist Karl August von Altenstein.

Description

Encephalartos altensteinii is a medium-sized cycad that can grow up to 6 meters in height. The trunk is typically unbranched and covered with persistent leaf bases. The leaves are pinnate, dark green, and can reach lengths of up to 3 meters. Each leaf consists of numerous leaflets that are arranged in a V-shape along the central rachis.

Reproduction

This species is dioecious, meaning that individual plants are either male or female. Male plants produce large, cylindrical cones that can be up to 50 cm long, while female plants produce slightly larger, barrel-shaped cones. Pollination is typically carried out by insects, and seeds are dispersed by animals.

Habitat

Encephalartos altensteinii is found in coastal and inland forests, often on rocky outcrops. It prefers well-drained soils and can tolerate a range of light conditions from full sun to partial shade.

Conservation Status

The species is listed as Vulnerable on the IUCN Red List due to habitat loss and over-collection. Conservation efforts are in place to protect its natural habitat and to propagate the species in botanical gardens.

Uses

Encephalartos altensteinii is often used as an ornamental plant in gardens and landscapes. It is valued for its striking appearance and its ability to withstand a variety of environmental conditions.

Related Pages

• Cycad
• Zamiaceae
• Dioecious plant
• IUCN Red List

External Links

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