This plant and flower, “Tradescantia pallida 'Purpurea',” from the Commelinaceae family, are apparently known by many names: “Purple heart,” “Purple queen” and “Wandering Jew.” (Plant formerly called “Setcreasea purpurea.”) This image captures the “moniliform (beadlike) trichomes”; see http://phytoimages.siu.edu/imgs/paraman1/r/Commelinaceae_Tradescantia_pallida_12358.html
moniliform: “jointed or constricted at regular intervals so as to resemble a string of beads” (Merriam-Webster dictionary).
Retired economics professor (“dismal scientist”). Married 40+ years to the love of my life; we have two grown daughters, both married, two granddaughters and a...
@gazbadger Thanks very much! I can't remember now (yeah, I know it was only two days ago…), but I may have had a +4 close-up filter on my 18–55mm lens…