Contains 14 accepted taxa overall.
Characteristics
Classification
Citation
HYMENOCALLIS Salisbury, Trans. Hort. Soc. London 1: 338. 1812.
                    -
                    TYPE: Hymenocallis littoralis (Jacquin) Salisbury (Pancratium littorale Jacquin) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 533. 1913.
                    Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos | 
|---|---|---|---|---|
| Hymenocallis choctawensis | FLORIDA PANHANDLE SPIDERLILY | Native OBL (NWPL) OBL (DEP) | ||
| Hymenocallis crassifolia | COASTALPLAIN SPIDERLILY; COASTAL CAROLINA SPIDERLILY | Native OBL (NWPL) OBL (DEP) | ||
| Hymenocallis duvalensis | WHITESANDS SPIDERLILY; DIXIE SPIDERLILY | Native OBL (DEP) | ||
| Hymenocallis franklinensis | COW CREEK SPIDERLILY | Native Endemic | ||
| Hymenocallis gholsonii | GHOLSON'S SPIDERLILY | Native Endemic | ||
| Hymenocallis godfreyi | GODFREY'S SPIDERLILY; ST. MARK'S MARSH SPIDERLILY | Native Endemic Endangered-State OBL (DEP) | ||
| Hymenocallis henryae var. glaucifolia | Native Endemic Endangered-State | |||
| Hymenocallis henryae var. henryae | HENRY'S SPIDERLILY; GREEN SPIDERLILY | Native Endemic Endangered-State OBL (DEP) | ||
| Hymenocallis latifolia | MANGROVE SPIDERLILY; PERFUMED SPIDERLILY | Native FACW (NWPL) OBL (DEP) | ||
| Hymenocallis occidentalis | NORTHERN SPIDERLILY; WOODLAND SPIDERLILY | Native OBL (NWPL) OBL (DEP) | ||
| Hymenocallis palmeri | ALLIGATORLILY | Native Endemic OBL (NWPL) OBL (DEP) | ||
| Hymenocallis puntagordensis | SMALLCUP SPIDERLILY | Native Endemic OBL (NWPL) OBL (DEP) | ||
| Hymenocallis rotata | SPRING-RUN SPIDERLILY | Native Endemic OBL (NWPL) | ||
| Hymenocallis tridentata | FLORIDA SPIDERLILY | Native Endemic | 
[Family identification key]
                            
                                1.  Leaves evergreen; inflorescence of 3-15 flowers; perianth tube (6)7.5-20 cm long; filaments green (at least distally); flowering late Jun-Oct 
                            
                        
                        
                        
                                2
                        
                    
                            
                                1.  Leaves deciduous; inflorescence of 1-9(12) flowers; perianth tube 4-13.5 cm long; filaments white; flowering Feb-Aug 
                            
                        
                        
                        
                                3
                        
                    
                            
                                2.  Leaves 50-100 cm long, 4-9 cm wide, blade broadly liguliform; inflorescence of (5)9-15 flowres; margins between free portions of filaments wavy, prominent projections absent; ovary ovoid, 0.9-1.6 cm long, 5-10 mm wide; flowering late Jun-Oct 
                            
                        
                        
                        
                    
                            
                                2.  Leaves 35-75 cm long, 1.5-3 cm wide, blade narrowly liguliform; inflorescence of 3-5 flowers; margins between free portions of filaments with 1-2 prominent lacerations; ovary pyriform, 1.5-2.4 cm long, ca. 10 mm wide; flowering late Jun-Sep 
                            
                        
                        
                        
                    
                            
                                3.  Ovary 14-30 mm long, 6-15 mm wide; ovules 4-8 per locule 
                            
                        
                        
                        
                                4
                        
                    
                            
                                3.  Ovary 7-15 mm long, 5-10 mm wide; ovules 1-3(4) per locule 
                            
                        
                        
                        
                                9
                        
                    
                            
                                4.  Inflorescence of 1-2 flowers; tepals pale green 
                            
                        
                        
                        
                                5
                        
                    
                            
                                4.  Inflorescence of 2-4 flowers; tepals white 
                            
                        
                        
                        
                                7
                        
                    
                            
                                5.  Inflorescence of 1 flower; tepals ascending, equal to or shorter than perianth tube 
                            
                        
                        
                        
                    
                            
                                5.  Inflorescence of 2(3) flowers; tepals long-spreading, nearly always longer than perianth tube 
                            
                        
                        
                        
                                6
                        
                    
                            
                                6.  Plants often in dense clumps; leaf blades glaucous 
                            
                        
                        
                        
                    
                            
                                6.  Plants solitary or in loose clumps; leaf blades not glaucous or only slightly so 
                            
                        
                        
                        
                    
                            
                                7.  Corona 6-9 cm wide 
                            
                        
                        
                        
                    
                            
                                7.  Corona 4-6 cm wide 
                            
                        
                        
                        
                                8
                        
                    
                            
                                8.  Longest leaf not exceeding 4 dm at anthesis; free filaments to 3 cm; anthers 1.2–1.5 cm 
                            
                        
                        
                        
                    
                            
                                8.  Longest leaf exceeding 4 dm at anthesis; free filaments to 4 cm; anthers 1.5–2 cm 
                            
                        
                        
                        
                    
                            
                                9.  Leaf blades oblanceolate, distinctly wider beyond middle before tapering; inflorescence with 2-9 flowers 
                            
                        
                        
                        
                                10
                        
                    
                            
                                9.  Leaf blades liguliform to narrowly lanceolate or narrowly oblanceolate; inflorescence with 2-3 flowers 
                            
                        
                        
                        
                                11
                        
                    
                            
                                10.  Bulbs rhizomatous; leaves coriaceous, not glaucous; scape bracts 3-4(6) cm long, apex acute; flowering Apr-Jul 
                            
                        
                        
                        
                    
                            
                                10.  Bulbs not rhizomatous; leaves noncoriaceous, glaucous; scape bracts 4-7 cm long, apex long-acuminate; flowering Jul-Aug 
                            
                        
                        
                        
                    
                            
                                11.  Scape bracts narrowly lanceolate, 2.5–5.5 cm × 7–12 mm 
                            
                        
                        
                        
                                12
                        
                    
                            
                                11.  Scape bracts lanceolate, 3–5 cm × 10–20 mm 
                            
                        
                        
                        
                                13
                        
                    
                            
                                12.  Leaves suberect to erect, the blade channeled nearly throughout, typically liguliform; staminal corona funnelform at full anthesis, soon gradually spreading 
                            
                        
                        
                        
                    
                            
                                12.  Leaves chiefly arching low, often appearing prostrate, the blade channeled proximally, occasionally narrowly oblanceolate; staminal corona rotate at full anthesis 
                            
                        
                        
                        
                    
                            
                                13.  Bulbs 2.5-4 cm long; scape bracts 3-4(4.5) cm long, 1-1.5 cm wide 
                            
                        
                        
                        
                    
                            
                                13.  Bulbs 4.5-7.5 cm long; scape bracts 4-5 cm long, 1.5-2 cm wide 
                            
                        
                        
                        
                    Genus Synonyms
| Synonym | Full Citation | Basionym | Type | 
|---|---|---|---|
| Choretis | Choretis Herbert, Amaryllidaceae 61, 75, 219. 1837. | TYPE: Non designatus. | |
| Ismene | Ismene Salisbury ex Herbert, Appendix 45. 1821. | TYPE: Ismene amancaes (Ker-Gawler) Herbert (Pancratium amancaes Ker Gawler) | |
| Nemepiodon | Nemepiodon Rafinesque, Fl. Tellur. 4: 22. 1838 ("1836"). | TYPE: Non designatus. | |
| Siphotoma | Siphotoma Rafinesque, Fl. Tellur. 4: 22. 1838 ("1836"). | TYPE: Siphotoma calathina (Ker Gawler) Rafinesque, nom. illegit. (Pancratium calathina Ker Gawler, nom. illegit.; Pancratium calathiforme Redoute) | |
| Tomodon | Tomodon Rafinesque, Fl. Tellur. 4: 22. 1838 ("1836"). | TYPE: Non designatus. |