Summary[edit] Description: Tristachya leucothrix Afrikaans: Blompakkie van Rooisaadgras naby die kruin van die Magaliesberg, naby Skeerpoort, Suid-Afrika English: Spikelet of Hairy trident grass near the crest of the Magaliesberg, near Skeerpoort, South Africa. Date: 26 December 2014, 16:28. Source: Own work. Author: JMK.