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. 2015 Aug 5;66(21):6745–6760. doi: 10.1093/jxb/erv380

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — Schematic diagrams depicting primordia development and patterning in the apex (terminal bud) and axillary bud. (A) The first five primordia in axillary buds develop with opposite (decussate) arrangement (180°) and become scales. Number 5 is the abaxial outer scale. Subsequent 12 primordia develop into dwarfed embryonic leaves in a spiral pattern 2/5 (144°). The first embryonic leaf has a 90° divergence angle due to space constrains (red stippled arrow). (B) In the shoot apex the stipules of the first three (to five) primordia develop into scales (dual numbered brown lines) and the subsequent 12 primordia develop into dwarfed embryonic leaves. All primordia arise with 3/8 spiral pattern (135°) similar to proliferating apex.