from The Century Dictionary.
- noun A shrub, Helietta parvifolia, belonging to the rue family, with opposite 3-foliate leaves and panicles of small purplish-white flowers.
Sorry, no etymologies found.
Near the Sierra Madre Oriental, the scrub becomes a strict combination of Agave victoria-reginae with lechuguilla, guapilla (Hechtia glomerata), barreta (Helietta parviflora), sotol (Dasylirion sp.) and a well-developed herbaceous stratum composed of gramineae, leguminosae and cacti.