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Sphenophyllaceae
Sphenophyllales is an extinct order of articulate land plants and a sister group to the present-day Equisetales ( horsetails). They are fossils dating from the Devonian to the Triassic. They were common during the Late Pennsylvanian to Early Permian, with most of the fossils coming from the Carboniferous period. Description Sphenophyllales are small, slender branching plants, usually growing to a height of less than tall. The long stems range from to in diameter. The stems are jointed and ribbed with weak habits, making it probable that these plants were ..., making it probable that these plants were vine or shrub-like when alive, and formed a portion of the understory in Carboniferous forests. The stem anatomy is Stele (biology)#Protostele">protostelic (root-like), containing a solid primary xylem">root.html" ;"title="Stele (biology)#Protostele">protostelic (root">Stele (biology)#Protostele">protostelic (root-like), containing a solid primary xylem core with secondary xyl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphenophyllum Miravallis
''Sphenophyllum'' is a genus in the order Sphenophyllales. It has been placed in the family Sphenophyllaceae. Species Species that have been described include: *†''Sphenophyllum angustifolium'' *†''Sphenophyllum biarmicum'' Zalessky (1937) *†''Sphenophyllum changxingense'' *†''Sphenophyllum churulianum'' Ashw. K. Srivast. & Rigby (1963) *†''Sphenophyllum costae'' *†''Sphenophyllum crenulatum''Ashw. K. Srivast. & Rigby (1963) *†''Sphenophyllum cuneifolium'' (Sternb.) Zeiller (1878) *†''Sphenophyllum elongatum'' Rassk. (1961) *†''Sphenophyllum emarginatum'' Brongn. (1822) (type species) *†''Sphenophyllum fanwanense'' *†''Sphenophyllum gilmorei'' C.D. White (1929) *†''Sphenophyllum gondwanensis'' *†''Sphenophyllum guangzhuoense'', nomen nudum *†''Sphenophyllum koboense'' *†''Sphenophyllum latifolium'' Fontaine & I.C. White (1880) *†''Sphenophyllum longifolium'' (Germar) Gutbier (1843) *†''Sphenophyllum lungtanense'' *†''Sphenophyllum majus'' Bronn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |