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Salvinia Cucullata Megaspore
''Salvinia'', a genus in the family Salviniaceae, is a floating fern named in honor of Anton Maria Salvini, a 17th-century Italian scientist. Watermoss is a common name for ''Salvinia''. The genus was published in 1754 by Jean-François Séguier, in his description of the plants found round Verona, ''Plantae Veronenses'' Twelve species are recognized, at least three of which (''S. molesta'', ''S. herzogii'', and ''S. minima'') are believed to be hybrids, in part because their sporangia are found to be empty. ''Salvinia'' is related to the other water ferns, including the mosquito fern ''Azolla''. Recent sources include both ''Azolla'' and ''Salvinia'' in Salviniaceae, although each genus was formerly given its own family. ''Salvinia'', like the other ferns in order Salviniales, are heterosporous, producing spores of differing sizes. However, leaf development in ''Salvinia'' is unique. The upper side of the floating leaf, which appears to face the stem axis, is morphologically ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jean-François Séguier
Jean-François Séguier (; 25 November 1703 – 1 September 1784) was a French archaeologist, epigraphist, astronomer and botanist from Nîmes. He studied law in Montpellier, during which time, he developed a passion for botany. He was a friend and collaborator to Scipio Maffei, with whom he took an extended scientific tour throughout Europe (1732–36). In 1755 he became a member of the Académie de Nîmes, serving as its ''secrétaire perpétuel'' from 1765 to 1784. In 1772 he became a member of the Académie royale des Inscriptions et Belles-Lettres. The plant genus ''Seguieria'' (family Petiveriaceae, Loefl., 1758) commemorates his name, as do the botanical species ''Ranunculus seguieri'' (Vill., 1779), ''Euphorbia seguieriana'' ( Neck., 1770), and '' Dianthus seguieri'' (Vill., 1779). Published works His written works include a detailed description of the flora in the vicinity of Verona, titled ' (3 volumes 1745–54). Other noted works associated with Séguier a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
