Carex siderosticta is a species of sedge native to East Asia. It is the only species of Carex known to produce "pseudo-lateral" culms, which appear to be lateral, but derive from the apical meristem. It is the type species of Carex subg. Siderosticta.
References
External links Carex siderosticta, GBIF Carex siderosticta, Encyclopedia of Life