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The oldest records of the modern genus Cycas are from the Paleogene of East Asia. [31] Fossils assignable to Zamiaceae are known from the Cretaceous, [30] with fossils assignable to living genera of the family known from the Cenozoic. [18] Petrified cycad fossil, New York Botanical Garden
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.
Cycas pectinata has the most widespread distribution in South Asia, and is the only South Asian cycad species found outside India and Sri Lanka. India Cycas ...
Zamia is a genus of cycad of the family Zamiaceae, native to North America from the United States (in Georgia and Florida) throughout the West Indies, Central America, and South America as far south as Bolivia.
After Cycas revoluta, this is probably the most popular cycad species in cultivation. In temperate regions, it is commonly grown as a houseplant and, in subtropical areas, as a container or bedding plant outdoors.
This listing contains taxa of plants in the division Cycadophyta, recorded from South Africa.Cycads / ˈ s aɪ k æ d z / are seed plants with a very long fossil history that were formerly more abundant and more diverse than they are today.
Aulacaspis yasumatsui, or cycad aulacaspis scale (CAS), is a scale insect species in the genus Aulacaspis that feeds on cycad species such as Cycas revoluta [1] or Dioon purpusii (Purpus' cycad). Other common names include the cycad scale , the sago palm scale , [ 2 ] and the Asian cycad scale . [ 3 ]
Fight to mate; this behaviour is common among the blues. Left, upperside of female; right underside of male, from Adalbert Seitz. Luthrodes pandava [2] also called the Plains Cupid [3] [1] or cycad blue, is a species of lycaenid butterfly found in South Asia, [3] Myanmar, United Arab Emirates, Indochina, Peninsular Malaysia, Singapore, Taiwan, Java, Sumatra and the Philippines. [1]