Colonies of S. aracearum strain A5588T are dark yellow (Mustard, Hex code #E8B828), irregular shape, butyrous consistency, smooth surface, raised relief with entire margins, and 0.4–0.5 mm (average 0.45) in diameter on YDC medium plates after incubation at 28°C for 2 days. Cells are gram-negative and able to utilize D-maltose, D-cellobiose, gentiobiose, N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, α-D-glucose, D-mannose, 1% sodium lactate, D-serine, troleandomycin, rifamycin SV, gelatin, lincomycin, guanidine HCl, vancomycin, tetrazolium violet, tetrazolium Blue, α-ketoglutaric acid, L-malic acid, bromo-succinic acid, acetic acid, and aztreonam. Cells grow under pH 6 and 1% NaCl but neither at pH 5 nor 8% NaCl. In the contrary, cells are unable to oxidize sucrose, D-turanose, stachyose, D-raffinose, α-D-lactose, D-melibiose, Β-methyl-D-glucoside, N-acetyl-β-D-mannosamine, N-acetyl-neuraminic acid, D-galactose, 3-methyl-glucose, inosine, fusidic acid, D-sorbitol, D-mannitol, D-arabitol, myo-inositol, glycerol, D-glucose-6-PO4, D-aspartic acid, D-serine, minocycline, L-arginine, L-aspartic acid, L- glutamic acid, L-histidine, L-pyroglutamic acid, L-serine, pectin, D-galacturonic acid, D-gluconic acid, mucic acid, quinic acid, D-saccharic acid, p-hydroxy-phenylacetic acid, D-lactic acid methyl ester, L-lactic acid, citric acid, D-malic acid, nalidixic acid, potassium tellurite, γ-aminobutryric acid, α-hydroxybutyric acid, α-ketobutyric acid, β-hydroxy-D, L-butyric acid, acetoacetic acid, formic acid, sodium butyrate, and sodium bromate. Some utilization of carbon sources and chemical components, such as dextrin and glucuronamide showed faded positive results after growing A5588T cell suspension in GEN III Microplate (Biolog Inc., Hayward, CA, USA) at 28°C for 24 h. S. aracearum sp. nov. was sensitive to six tested antibiotics, namely, bacitracin (50 mg/mL), chloramphenicol (50 mg/mL), gentamicin (50 mg/mL), kanamycin (50 mg/mL), tetracycline (40 mg/mL), and polymyxin B sulfate (50 mg/mL) but resistant to penicillin (50 mg/mL) on NA plates. The genome size of type strain A5588T is 4.33 Mbp with 66.44 mol% of DNA G + C content.

The type strain A5588T = D-61-1LT = ICMP 25025T = LMG 33202T was isolated from Anthurium (Araceae family) in 1985 in Hawaii, USA.