Ophiopogon spathulifolius (Asparagaceae), a new species from northern Vietnam, and O. robustus new to the country
Ophiopogon spathulifolius, a new species from Tuyen Quang Province (including former Ha Giang Province), northern Vietnam, is described and illustrated. It is distinguished from all other species of the genus by a combination of character states: estoloniferous habit with a short rhizome, petioles with scarious whitish...