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Key to Hymenocallis

Amaryllidaceae

Hymenocallis

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1 Ovules 4-8 per locule; ovary 14-30 mm long, 6-15 mm wide; [FL].
(c) Ward, Scott G - CC-BY
  2 Corona 6-9 cm wide
  2 Corona 3-6 cm wide.
(c) Ward, Scott G
    3 Tepals yellowish-green to pale green throughout.
© Floyd A. Griffith
© Floyd A. Griffith
      4 Flowers 2 per inflorescence; tepals spreading, nearly always longer than the perianth tube; [Panhandle FL].
(c) Ward, Scott G
      4 Flowers 1 per inflorescence; tepals ascending, equal to or shorter than the perianth tube; [ne. FL south to s. FL]
(c) Cressler, Alan M.
    3 Tepals white (their keels typically green on the lower surface).
(c) Cressler, Alan M.
        5 Leaves evergreen, 3.5-7.5 dm long; corona 2-3 cm across; [Charlotte County, FL peninsula]
        5 Leaves deciduous, (1.3-) 2.0-3.8 dm long; corona about 4-6 cm across; [c. and s. FL peninsula, also Wakulla County, FL Panhandle].
(c) Cressler, Alan M.
          6 Free filaments 1.5-3 cm long; anthers 12-15 mm long; longest leaf at anthesis < 4 dm long; [Wakulla County, FL Panhandle]
(c) Bridges, Edwin
(c) Bridges, Edwin
          6 Free filaments 2-4 cm long; anthers 15-20 mm long; longest leaf at anthesis > 4 dm long; [c. and s. FL peninsula]
1 Ovules 1-3 (-4) per locule; ovary 7-15 mm long, 5-10 mm wide; [collectively more widespread].
(c) Stuart, Will
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
             7 Staminal cup > 4.5 cm long; [rocky river shoals of the Piedmont of AL, GA, and SC, and the Ridge and Valley of AL]
             7 Staminal cup < 4.5 cm long; [Coastal Plain, Piedmont floodplains, and the GA Ridge and Valley].
(c) Griffith, Floyd A.
               8 Leaves oblanceolate, slightly to distinctly wider toward the tip.
                 9 Leaves not coriaceous, distinctly glaucous; scape bracts 4-7 cm long, the tip long-acuminate; bulbs non-rhizomatous; [of moist but not mucky habitats]
(c) Hill, Sonnia
(c) Hill, Sonnia
                   10 Leaves withered at anthesis
(c) Shaw, Dylan - CC-BY
© Floyd A. Griffith
                   10 Leaves fresh at anthesis
                 9 Leaves coriaceous, not glaucous; scape bracts 3-4 (-6) cm long, the tip acute; bulbs rhizomatous; [of wet habitats].
(c) Griffith, Floyd A.
                     11 Scape bracts 3-4 (-6) cm long, the tip acute; leaves distinctly wider toward the tip; bulb 3-6 cm long, 1.5-5 cm wide
(c) Griffith, Floyd A.
(c) Griffith, Floyd A.
                     11 Scape bracts 4-5 cm long, the tip acuminate; leaves slightly wider toward the tip; bulb 4.5-7.5 cm long, 2.5-5.5 cm wide
(c) Weakley, Alan
               8 Leaves liguliform, not wider toward the tip, the margins parallel throughout.
(c) Sorrie, Bruce A. - CC-BY
                       12 Flowers (3-) 5-12 per inflorescence.
(c) Weakley, Alan
                          13 Leaves evergreen, 5-10 dm long, 4-9 cm wide; flowers 9-15 per inflorescence; pollen orange; [FL]
(c) Campos, Aidan
                          13 Leaves deciduous, 3.2-8.2 (10.6) dm long, 1.7-3.6 cm wide; flowers (3-) 5-12 per inflorescence; pollen yellow; [MS westward]
(c) Bradley, Keith
(c) Corder, Brandon
                       12 Flowers 1-3 (rarely more) per inflorescence.
(c) Powell, Eric M - CC-BY-NC, permission granted to NCBG
(c) Corder, Brandon
                            14 Staminal cups rotate at full anthesis; leaves chiefly arching low, often appearing prostrate; [of s. GA south into FL]
                            14 Staminal cups funnelform at full anthesis but gradually spreading in time; leaves suberect to erect; [of se. NC south to FL].
(c) Powell, Eric M - CC-BY-NC, permission granted to NCBG
                              15 Perianth segments (6-) 7-11.5 cm long; leaves 3-7 dm long
(c) Powell, Eric M - CC-BY-NC, permission granted to NCBG
(c) Powell, Eric M - CC-BY-NC, permission granted to NCBG
                                16 Scape bracts narrowly lanceolate, 2.5-5 cm long, 7-12 mm wide; [NC south to ne. FL]
(c) mfeaver - CC-BY
                                16 Scape bracts lanceolate, 3-4.5 cm long, 10-15 mm wide; [lower Ochlockonee River, Panhandle FL]