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Key to Diapensiaceae

Diapensiaceae

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1 Leaves cauline, generally < 10 mm long and < 2.5 mm wide; [of Coastal Plain pinelands]
1 Leaves basal (or on a short caudex), generally > 50 mm long and > 30 mm wide; [throughout our area, more common in the Piedmont and Mountains].
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
  2 Leaves orbicular, rounded or with a slight point at the apex, finely serrate (4-8 teeth per cm), the teeth not prominently mucronate, the venation palmate (with 5+ palmate veins radiating from the deeply cordate leaf base); flowers in racemes; [widespread]
  2 Leaves broadly elliptic, generally emarginate (slightly notched) at the apex, coarsely serrate (1-4 teeth per cm), the teeth prominently mucronate, the venation pinnate (with 1 main vein from the rounded, truncate, or shortly cuneate leaf base); flowers solitary; [native to humid gorges along the escarpment between the Mountains and Piedmont, sometimes cultivated and becoming established elsewhere]