Parallel
Mark 4:31
Nestle 1904 Greek New Testament · Berean Standard Bible
ὡς κόκκῳ σινάπεως ὃς ὅταν σπαρῇ ἐπὶ τῆς γῆς μικρότερον ὂν πάντων τῶν σπερμάτων τῶν ἐπὶ τῆς γῆς
It is like a mustard seed, which is the smallest of all seeds sown upon the earth.