Asteraceae; Bone Density Conservation Agents/pharmacology; Bone Regeneration/drug effects; Ethnopharmacology; Femoral Fractures/drug therapy; Femur/drug effects; Fracture Healing/drug effects; Plant Extracts/pharmacology; Administration, Oral; Animals; Asteraceae/chemistry; Biomarkers/metabolism; Bone Density Conservation Agents/administration & dosage; Bone Density Conservation Agents/chemistry; Bone Density Conservation Agents/isolation & purification; Bone Marrow Cells/drug effects; Bone Marrow Cells/pathology; Bony Callus/drug effects; Bony Callus/pathology; Cameroon; Diaphyses/drug effects; Diaphyses/pathology; Disease Models, Animal; Dose-Response Relationship, Drug; Ethanol/chemistry; Female; Femoral Fractures/diagnostic imaging; Femoral Fractures/metabolism; Femoral Fractures/pathology; Femur/diagnostic imaging; Femur/metabolism; Femur/pathology; Immunohistochemistry; Microscopy, Confocal; Osteoblasts/drug effects; Osteoblasts/pathology; Phytotherapy; Plant Components, Aerial; Plant Extracts/administration & dosage; Plant Extracts/chemistry; Plant Extracts/isolation & purification; Plants, Medicinal; Rats; Rats, Sprague-Dawley; Solvents/chemistry; Stromal Cells/drug effects; Stromal Cells/pathology; Time Factors; X-Ray Microtomography