Also known as Acuelus, Acueli, Aculis, aculèols, aculeols, aculeus
hard, rigid extensions of the cortex and epidermis, present in some plants (such as roses), without vascular tissue (unlike thorns/spines, which are modifications of stems or leaves, thus containing vascular tissue)
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).