organism: Medicago x varia
attributes.tag: cultivar
attributes.value: Caoyuan NO.1
attributes.tag: dev_stage
attributes.value: Uninucleate microspore stage of anthers
attributes.tag: geo_loc_name
attributes.value: China: experimental field of Inner Mongolia Agricultural University in Hohhot
attributes.tag: tissue
attributes.value: Young flower buds
attributes.tag: BioSampleModel
attributes.value: Plant