Assertion: desert's vegetation | /r/HasProperty | rare
Facets:
Source sentences:
text: Vegetation is rare, and this ecoregion consists mostly of sand dunes (erg, chech, raoui), stone plateaus (hamadas), gravel plains (reg), dry valleys (wadis), and salt flats.
text: Vegetation is rare, though richer in the riverbeds, where there are individual shrubs of tamarisk, saxaulon and nitre bush (a saltwort), and annual halophytes (salt-tolerant plants).