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Cycads in South Africa. Cycads / ˈ s aɪ k æ d z / are seed plants that typically have a stout and woody trunk with a crown of large, hard, stiff, evergreen and (usually) pinnate leaves. The species are dioecious, that is, individual plants of a species are either male or female. Cycads vary in size from having trunks only a few centimeters ...
Cycads are long-lived and slow-growing, with slow recruitment and population turnover. [9] All cycads possess 'coralloid' (meaning coral-like) roots. These roots contain symbiotic cyanobacteria that fix gaseous nitrogen from the atmosphere and provide essential nitrogenous compounds to the plant. This can be a great advantage, as many cycads ...
Cycas is a genus of cycad, and the only genus in the family Cycadaceae with all other genera of cycad being divided between the Stangeriaceae and Zamiaceae families. Cycas circinalis, a species endemic to India, was the first cycad species to be described in western literature, and is the type species of the genus.
While there are more than 200 species of cycads, only one is native to Florida, and only a couple are popular landscaping plants in our area.
They are pinnately-veined, which distinguishes the species from all other cycads. The petiole comprises half the length of the leaf. The young leaves are bent in bud position, the tip appears rolled up. Young leaves are dotted with short, gray hairs , which usually fall off quickly and only stick to the petiole. These trichomes are unbranched ...
Encephalartos ferox, a member of the family Zamiaceae, is a small cycad with 35 cm wide subterranean trunk.It gets its name from the Latin word ferocious, likely from the spine-tipped lobes on the leaves of the plant. [3]
The carotenoids and anthocyanin can now give off those spectacular fall colors. When and how the leaves change color depends on tree species – some have leaves that just turn brown and fall ...
Encephalartos horridus, the Eastern Cape blue cycad, [3] is a small, low-growing cycad up to 0.9 m (3.0 ft) high and 0.9 m (3.0 ft) wide. [4] It is a native of Eastern Cape Province, South Africa, and found in arid shrublands, most commonly on ridges and slopes with shallow soils.