On-Center vs. Spread
Each year when I teach my students about drawing plant symbols there is always confusion about what I mean by on-center vs. spread, so in anticipation of that lesson, I've pulled together this graphic. I thought you might enjoy it too (in case there was any confusion in your life or a dear friend's). If you teach and would like a copy for your students, just click on the image below for a printable black and white .pdf.
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