11/07/2024
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Leaf Arrangement: The leaves are pinnate (feather-like) and can grow to be quite long, sometimes over a meter.
Leaflets:
Shape: Generally lanceolate (spear-shaped) to linear.
Size: Usually between 5-15 cm in length and 1-2 cm in width.
Margins: The leaflets have no thorns
Orientation: The leaflets often overlap slightly.
Color and Texture:
Color: Typically dark green.
Texture: Somewhat leathery and stiff to the touch.
Midrib: The midrib is pronounced and runs centrally along the leaflet.
Petiole and Rachis: Both can be covered with small, brown, scaly structures.
Overall Leaf Shape: The leaves form a dense, arching crown.
Stem Characteristics:
Stem: Usually subterranean, often underground or slightly above the soil surface.
Height: If above ground, it can reach up to 1 meter in height and about 30 cm in diameter.
Surface: Rough texture due to persistent leaf bases.
Cone Characteristics:
Male Cones: Cylindrical, usually about 30-50 cm long and 7-10 cm in diameter, yellow to orange-brown.
Female Cones: Slightly larger, about 40-60 cm long and 15-20 cm in diameter, also yellow to orange-brown.
Reproductive Structures: Cones emerge from the center of the leaf rosette.
Habitat and Growth Conditions:
Native Habitat: Native to South Africa, particularly in regions with rocky outcrops and grasslands.
Climate: Thrives in subtropical climates with well-drained soils.
Sunlight: Prefers full sun but can tolerate partial shade.
Sources:
Jones, David L. Cycads of the World: Ancient Plants in Today's Landscape. Smithsonian Institution Press, 2002.
Goode, Derek. The Cycads. Timber Press, 1989.
IUCN Red List of Threatened Species. "Encephalartos cycadifolius." Available at: IUCN Red List
JSTOR Plant Science. "Encephalartos cycadifolius Details." Available at: JSTOR Plant Science
The Cycad Pages, Royal Botanic Gardens Sydney. "Encephalartos cycadifolius." Available at: The Cycad Pages
Cycad Society of South Africa. "Encephalartos cycadifolius." Available at: Cycad Society of South Africa
