Arachnothryx gracilispica (Standl.) Borhidi Arachnothryx gracilispica (Standl.) Borhidi in Acta Bot. Hung. 33 (3–4): 302. 1987 sec. Lorence 2011≡Rondeletia gracilispica Standl. in Publ. Field Mus. Nat. Hist., Bot. Ser. 8(5): 342. 1931 syn. sec. Lorence & Taylor 2012