18. Microgynoecium Hook. f.

Microgyneocium Hook. f. in Benth. & Hook. f., Lien. Pl. 5: Db (1880).

Annual, monoecious herb. Flowers in clusters hidden amongst the leaves; perianth lobes 5, hyaline; stamens l-4; pistillate flowers 2-bracteolate; stigmas 2. Fruit turgid; seeds vertical; embryo horseshoe-shaped. One sp., M. tibeticum Hook. f., Tibet, Sikkim.