Inter-petiolar stipules of Galium mollugo L

Majumdar, Girija P. ; Pradyot Kumar, Pal (1958) Inter-petiolar stipules of Galium mollugo L Proceedings of the Indian Academy of Sciences - Plant Sciences, 48 (5). pp. 211-222. ISSN 0253-410X

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The inter-petiolar stipules of Galium mollugo are separate, leaf-like in shape and size, and also in the possession of a single trace bundle. Morphogenetical studies at the shoot apex show that the initiation and vascularization of the leaves and stipules are different. Only the leaves bear axillary buds; the leaf-like stipules do not bear them. The foliar foundations by their union form acollar round the axis, from which it separates by the differentiation of a separation layer in its adaxial surface. The glandular hairs also arise from this layer. The axis on its separation shows a wavy contour of its surface. The crest of each initially shallow wave is occupied by a meristem which helps in the development of each ridge. From later behaviour of the apparently single leaf-trace bundle it appears that it is composed of three bundles and the laterals are concerned with the origin of the stipules and their traces.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
ID Code:33441
Deposited On:30 Mar 2011 11:25
Last Modified:17 May 2016 16:18

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