Are Cycad and Peperomia both seed plants?
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Cycad Cycads are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today. They typically have a stout and woody (ligneous) trunk with a crown of large, hard and stiff, evergreen leaves. They usually have pinnate leaves. The individual plants are either all male or all female (dioecious). Cycads vary in size from having trunks only a few centimeters to several meters tall. They typically grow very slowly and live very long, with some specimens known to be as much as 1,000 years old. Because of their superficial resemblance, they are sometimes mistaken for palms or ferns, but they are not closely related to either group.
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Peperomia Peperomia (radiator plant) is one of the 2 large genera of the Piperaceae family, with more than 1000 recorded species. Most of them are compact, small perennial epiphytes growing on rotten wood. More than 1500 species have been recorded, occurring in all tropical and subtropical regions of the world, though concentrated in Central America and northern South America. A limited number of species (around 17) are found in Africa.
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Cylindrocladium pteridis Cylindrocladium pteridis is a fungal plant pathogen.
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Peperomia buxifolia Peperomia buxifolia is a species of plant in the Piperaceae family. It is endemic to Ecuador.
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Cycas platyphylla Cycas platyphylla is a cycad in the genus "Cycas", native to Queensland, Australia.
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Encephalartos lebomboensis Encephalartos lebomboensis is a species of cycad in the family Zamiaceae. Native to the Lebombo Mountains of South Africa, the species was first described in 1949 by the South African botanist Inez Verdoorn. It is commonly known as the Lebombo cycad, although the name is also used for "Encephalartos senticosus" which also occurs in the same locality.
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Cyclopteris Cyclopteris is an extinct genus of seed ferns in the extinct family †Cyclopteridaceae. Species are from the Carboniferous.
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Encephalartos inopinus Encephalartos inopinus is a species of cycad that is native to Limpopo Province, South Africa.
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Zamia sandovalii Zamia sandovalii is a species of cycad in the family Zamiaceae.
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Cycas thouarsii Cycas thouarsii, the Madagascar cycad, is an evergreen arborescent plant in the genus "Cycas". It is named after a French botanist Louis-Marie Aubert du Petit-Thouars (1758—1831).
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Clusiaceae The Clusiaceae or Guttiferae ("nom. alt. et cons." = alternative and valid name) are a family of plants including 13 genera and ca 750 species. Several former members of Clusiacae are now placed in Calophyllaceae and Hypericaceae. They are mostly trees and shrubs, with milky sap and fruits or capsules for seeds. The family is primarily tropical. More so than many plant families, it shows large variation in plant morphology (for example, three to 10, fused or unfused petals, and many other traits). According to the APG III, this family belongs to the order Malpighiales.
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Ptychococcus Ptychococcus is a monoecious genus of flowering plant in the palm family from New Guinea and the Solomon Islands. They are closely related to "Ptychosperma", only differentiated by the seed shape and endocarp type. The name is a combination of the Greek for "fold" and the Latin for "berry".
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Pterachaenia Pterachaenia is a genus of flowering plants in the dandelion tribe within the dandelion family.
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Cycasin Cycasin is a carcinogenic and neurotoxic glucoside found in cycads such as "Cycas revoluta" and "Zamia pumila". Symptoms of poisoning include vomiting, diarrhea, weakness, seizures, and hepatoxicity. In metabolic conditions, cycasin is hydrolyzed into glucose and methylazoxymethanol (MAM), the latter of which dissociates into formaldehyde and methyl-diazonium.
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Peperomia parvilimba Peperomia parvilimba is a species of plant in the Piperaceae family. It is endemic to Ecuador.
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Encephalartos ferox 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. It is found naturally on the south-eastern coast of Africa where it has been used by local people for its starch content. It is considered to be one of the most popular cultivated cycads.
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Cycas nitida Cycas nitida is a species of cycad endemic to the northern Philippines. It is found in littoral forests.
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Zamia onan-reyesii Zamia onan-reyesii is a species of cycad in the family Zamiaceae endemic to Cortés Department, northern Honduras.
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Peperomia rupicola Peperomia rupicola is a species of plant in the Piperaceae family. It is endemic to Ecuador.
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Peperomia tuberculata Peperomia tuberculata is a species of plant in the Piperaceae family. It is endemic to Ecuador.
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Spermatophyte The spermatophytes (from the Greek word Σπερματόφυτα), also known as phanerogams or phenogamae, comprise those plants that produce seeds, hence the alternative name seed plants. They are a subset of the embryophytes or land plants. The term "phanerogams" or "phanerogamae" is derived from the Greek φανερός , "phanerós " meaning "visible", in contrast to the cryptogamae from Greek κρυπτός "kryptós " = "hidden" together with the suffix γαμέω , "gameein ", "to marry". These terms distinguished those plants with hidden sexual organs (cryptogamae) from those with visible sexual organs (phanerogamae).
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Peperomia columella Peperomia columella is a species of plant in the Piperaceae family. The species is endemic to deserts of western South America. It is fairly unusual among xerophytes from outside Africa, in having leaf windows.