1.embryo(s) 1 to many, like cotyledons milky white, green, or rarely yellowish, germination hypogeous.
胚1到多数，与子叶同为乳白色，绿色，或很少淡黄色，萌发时不出土。
2.Study of occurrence regularity and integrated management technology on hypogeous pest of medicinal plants
药用植物地下害虫发生规律及综合防治技术研究
3.The hypogeous macrofungi of China
中国大型地下真菌