Pharmacognostic study, anti-inflammatory and, antioxidant activities of Loeseneriella africana

•Physicochemical properties are essential for assessing the quality of crude drugs.•Characteristic UV fingerprint and Thin layer chromatography reveal the differences in constituent for different plant parts.•Suppression of Carrageenan-induced foot oedema establishes the anti-inflammatory potential of plant extracts.•Microscopic examination of powdered plant parts reveal various cells plant cells.•Pharmacognostic standards are important for correct identification, authentication and quality control purposes.