Question: vine with heart shaped leaves and white flowers
[{'answer': 'Antigonon leptopus', 'provenance': [{'wikipedia_id': '24576157', 'title': 'Antigonon leptopus', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24576157', 'title': 'Antigonon leptopus', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 600, 'bleu_score': 0.8543007027253131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5419813658811610977}, 'section': 'Section::::Description.\n'}]}, {'provenance': [{'wikipedia_id': '24576157', 'title': 'Antigonon leptopus', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5419813658811610977}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '418582', 'title': 'Leontopodium nivale', 'section': 'Section::::Description.\n', 'start_paragraph_id': 9, 'end_paragraph_id': 9, 'meta': {'evidence_span': ['ntose). Flowering stalks of edelweiss can grow to a size of in the wild, or, up to in cultivation. Each bloom consists of five to six small yellow clustered spikelet-florets () surrounded by fuzzy white "petals" (technically, bracts) in a double-star formation. The flowers', 'Leontopodium nivale', 'Leontopodium nivale']}}]}]