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This cycad is characterized by an upright stem reaching up to 1 meter in height and 25–30 cm in diameter. It often produces secondary stems from basal suckers. Its pinnate leaves form a crown at the top of the stem, ranging in color from gray-greenish to blue and reaching lengths of up to 1.4 meters.
Below is a list of cycad species ordered by country. Africa. Southern Africa ... Encephalartos trispinosus; Encephalartos villosus; Encephalartos woodii; Stangeria ...
Encephalartos is a genus of cycad native to Africa. Several species of Encephalartos are commonly referred to as bread trees, [2] bread palms [3] or kaffir bread, [4] since a bread-like starchy food can be prepared from the centre of the stem.
Cycads all over the world are in decline, with four species on the brink of extinction and seven species have fewer than 100 plants left in the wild. [ 2 ] 23,420 species of vascular plant have been recorded in South Africa, making it the sixth most species-rich country in the world and the most species-rich country on the African continent.
The gymnosperms (/ ˈ dʒ ɪ m n ə ˌ s p ɜːr m z,-n oʊ-/ ⓘ nə-spurmz, -noh-; lit. ' revealed seeds ') are a group of woody, perennial seed-producing plants, typically lacking the protective outer covering which surrounds the seeds in flowering plants, that include conifers, cycads, Ginkgo, and gnetophytes, forming the clade Gymnospermae [2] The term gymnosperm comes from the ...
Giant sequoia. Silvics of North America (1991), [1] a forest inventory compiled and published by the United States Forest Service, includes many conifers. [a] It superseded Silvics of Forest Trees of the United States (1965), which was the first extensive American tree inventory. [3]
Species name Range in Canada Global rank Notes YK NT NU LB CA; BC AB SK MB ON QC NB PE NS NF; Callitropsis nootkatensis Nootka cypress YK NT NU LB CA Secure BC AB SK MB ON QC NB PE NS NF Juniperus communis Common juniper YK NT NU LB CA Secure BC AB SK MB ON QC NB PE NS NF Juniperus horizontalis Creeping juniper YK NT NU LB CA Secure BC AB SK MB ...
Most conifers are monoecious, but some are subdioecious or dioecious; all are wind-pollinated. Conifer seeds develop inside a protective cone called a strobilus. The cones take from four months to three years to reach maturity, and vary in size from 2 to 600 millimetres (1 ⁄ 8 to 23 + 5 ⁄ 8 in) long.