Phil in SF quoted The Deep Sky by Yume Kitasei
She drifted toward one of the hydroponic stacks and fingered the mizuna tendrils growing there.
— The Deep Sky by Yume Kitasei (Page 252)
New word: mizuna
a Japanese mustard (Brassica rapa nipposinica synonym B. rapa japonica) having mild tasting deeply dissected leaves used especially in salads
(This is the first word where my Kobo provided an unhelpful definition. The posted definition comes from Merriam-Webster.)