līˈōnēə noun
Usage: capitalized
Etymology: New Latin, from John Lyon died ab 1818 Scottish gardener and collector of American plants + New Latin -ia
: a genus of upright shrubs (family Ericaceae) that have white or pinkish flowers in axillary or terminal clusters with urceolate or cylindric corolla, anthers opening by terminal pores, and a capsular many-seeded fruit