What is "sclerodactylon"

Sclerodactylon is a genus of plants in the grass family, native to eastern Africa and to various islands in the Indian Ocean.

The only known species is Sclerodactylon macrostachyum, native to Tanzania, Mozambique, Madagascar, Comoros, Aldabra, Seychelles, and the Andaman & Nicobar Islands.

see Acrachne

• Sclerodactylon micrandrum - Acrachne racemosa