Contains 14 accepted taxa overall.

Characteristics
Hymenocallis Salisb.
SPIDERLILY
Classification
ASPARAGALES
Hymenocallis
Citation
HYMENOCALLIS Salisbury, Trans. Hort. Soc. London 1: 338. 1812.
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TYPE: Hymenocallis littoralis (Jacquin) Salisbury (Pancratium littorale Jacquin) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 533. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

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
Hymenocallis gholsonii GHOLSON'S SPIDERLILY Native
Hymenocallis godfreyi GODFREY'S SPIDERLILY; ST. MARK'S MARSH SPIDERLILY Native Rare-State OBL (DEP)
Hymenocallis henryae var. glaucifolia Native Rare-State
Hymenocallis henryae var. henryae HENRY'S SPIDERLILY; GREEN SPIDERLILY Native Rare-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 OBL (NWPL) OBL (DEP)
Hymenocallis puntagordensis SMALLCUP SPIDERLILY Native OBL (NWPL) OBL (DEP)
Hymenocallis rotata SPRING-RUN SPIDERLILY Native OBL (NWPL)
Hymenocallis tridentata FLORIDA SPIDERLILY Native
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.