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Lobatannularia ensifolia Halle

IRSNB b 8618; Carboniferous; Tongshan, China

IRSNB b 8618

IG: 15929               Reg.: 86255

Âge: Carboniferous

Localité : Assise de Chao Ko Chwang, Terril de Tongshan

Description: Figured Specimen

Diagnose (donnée par Halle) : Branches faintly and irregularly striated, hearing at some of the nodes one to four (or possibly six) branches. Leaf-whorls in the upper parts of the branches very markedly excentric, flabelliform, open at the side facing the base of the shoot, the smallest leaves of the whorl near this gap. Leaves 15-20, usually about 18, in each whorl, more or less falcate, often confluent for some distance, narrowly lanceolate or linear, tapering in the upper part lo the more or less acute, mucronate apex, very much varying in size, the largest measuring more than 80 mm in lenght and 7 mm in breadth; tlie leaves of one whorl very unequal in size, the largest being sometimes 8 times as long as tlie shortest, though usually less.

Stockmans, F. & Mathieu, F. La Flore Paléozoïque du Bassin Houiller de Kaiping (Chine). Association pour l’étude de la Paléontologie et de la Stratigraphie houillères, n°32
p. 49, Planche VI, fig. 5


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