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Key to Nartheciaceae

Nartheciaceae

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1 Leaves in a basal rosette, spirally arranged and radiating out from the stem base; tepals fused nearly to apex, white to yellow, farinose and glutinous on abaxial surface; septal nectaries present
1 Leaves equitant, unifacial (laterally flattened, iris-like), ascending; tepals distinct (sometimes barely united basally), yellow, glabrous or tomentose on abaxial surface; septal nectaries not present.
  2 Upper stem and inflorescence covered with tomentum; inflorescence corymbose; tepals with bright yellow crest of moniliform hairs adaxially and tomentose abaxially; stamen filaments glabrous
  2 Plants glabrous; inflorescence racemose; tepals ± papillate adaxially but lacking moniliform hairs, glabrous abaxially; stamen filaments densely hairy