Rhacomitrium

noun

Rhaco·​mit·​ri·​um

ˌrakōˈmi‧trēəm,

ˌrāk-

: a genus of acrocarpous mosses (family Grimmiaceae) growing chiefly on sandstone rocks and having often hair-pointed leaves and sinuous leaf cells

Word History

Etymology

New Latin, from Greek rhakos ragged garment + mitrion, diminutive of mitra headband

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