Pierre Edmond Boissier and Theodor von Heldreich realised that the plants described by Linnaeus and by Bory and Chaubard, belonged to related but different species and proposed a new name for the latter, "Hymenonema laconium", which they published in 1875.
Pierre Edmond Boissier and Theodor von Heldreich realised that the plants described by Linnaeus and by Bory and Chaubard, belonged to related but different species, therefore no longer available, and hence invalid. The proposed a new name for the latter, "Hymenonema laconium", which they published in 1875.