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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.
Lepidozamia peroffskyana is a palm-like cycad in the Cardboard Palm Family Zamiaceae. It is endemic to eastern Australia, primarily near the coast of New South Wales. The species is named after Count Peroffsky (1794-1857), benefactor of the St. Petersburg Botanical Garden.
Encephalartos woodii, Wood's cycad, is a rare cycad in the genus Encephalartos, and is endemic to the oNgoye Forest of KwaZulu-Natal, South Africa. It is one of the rarest plants in the world, being extinct in the wild with all specimens being clones of the type . [ 2 ]
The seeds when mature measure about 5 cm (2.0 in) long by 4 cm (1.6 in) wide and are sheathed in a bright red sarcotesta. [4] [5] [6] It is reputed to be the tallest known species of cycad and it towers over other understorey vegetation, but rarely reaches the forest canopy. [6] [7]: 4
Like other cycads, Z. integrifolia is dioecious, having male or female plants. The male cones are cylindrical, growing to 5–16 cm long; they are often clustered. The female cones are elongate-ovoid and grow to 5–19 cm long and 4–6 cm in diameter. [8] It produces reddish seed cones with a distinct acuminate tip.
This cycad is acaulescent; [5] the 8–20 cm (3.2–8 in) diameter stem does not generally grow above ground level. [6] Plants have 2–12 leaves that range from 35 to 100 cm (14–40 in) in length. [5] Each compound frond has 45–120 simple pinnae that are 12–20 cm (4.5–8 in) long at the leaf's greatest width.