G L Shah
Articles written in Proceedings – Plant Sciences
Volume 90 Issue 5 October 1981 pp 485-497
The structure and ontogeny of stomata on the vegetative and floral organs in nine species of
Volume 91 Issue 4 August 1982 pp 297-301
Structure, ontogeny and distribution of sclereids in the pericarp of seven species of mimosaceae are studied. Their occurrence is recorded in the epidermis hypodermis, mesocarp and endocarp. They may be macrosclereids or brachysclereids. Their structure and ontogeny are described and their taxonomic utility is pointed out.
Volume 91 Issue 4 August 1982 pp 309-318
Initiation and development of root nodules are studied in 7 species and the structure in 4 species, belonging to 3 genera of the tribe Trifolieae. The shape of the mature nodules may be spherical, cylindrical, fan-like or coral-like. The bacterial threads enter the root through the intact epidermis and cause proliferation in cortex by liberating the bacteria. The origin of nodules in the investigated taxa is exogenous and they belong to the «apical» type in Kodama’s classification. A mature nodule comprises of meristematic zone, cortex with vascular bundles and the bacteroid zone. The bacteroid zone is heterogeneous and is composed of infected and uninfected cells.
Volume 94 Issue 1 March 1985 pp 1-9
The structure of the stipe and basal, middle and apical regions of the pod is described. The older stipe shows secondary growth as in a dicotyledonous stem. The stipe at its junction with the valves shows three vascular bundles, one large and two small, arranged in a triangular manner, with 3–5 lateral bundles in
Volume 97 Issue 3 June 1987 pp 235-246
The different dimensional aspects of petiolar anatomy of 35 taxa of Verbenaceae has been traced with a view to reveal the structural diversity and to evaluate the contribution of petiolar anatomy to the taxonomy of Verbenaceae. Seven parameters were quantitatively analysed for the patterns of variability. The different vascular configurations in various taxa were found to be taxon specific and hence can be utilized as a taxonomic marker. The observation of internal phloem in the petiole of