Contains 4 accepted taxa overall.

Characteristics
Spigelia L.
PINKROOT
Classification
GENTIANALES
Spigelia
Citation
SPIGELIA Linnaeus, Sp. Pl. 149. 1753.
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TYPE: Spigelia anthelmia Linnaeus
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Spigelia anthelmia WEST INDIAN PINKROOT Native
Spigelia gentianoides PURPLEFLOWER PINKROOT; GENTIAN PINKROOT Native Endangered-State Endangered-US
Spigelia loganioides FLORIDA PINKROOT; LEVY PINKROOT Native Endemic Endangered-State FACW (NWPL) FACW (DEP)
Spigelia marilandica WOODLAND PINKROOT Native
[Family identification key]
1.  Annual; stem below inflorescence with 1-3 nodes, mostly leafless; inflorescence with 22-45 flowers, subtended by a pseudowhorl of leaves, these leaves the largest on the plant
1.  Perennial, rhizomatous; stem below inflorescence leafy with several nodes; inflorescence with 2-17 flowers, subtended by a pair of leaves or occasionally a pseudowhorl, these leaves smaller, subequal, or not much larger than cauline leaves
2
2.  Rhizomes stout; cauline leaf blades 4-12 cm long, 1-5 cm wide; corolla (3)4-5 cm long, externally scarlet (rarely white), internally yellow to greenish (rarely pink)
2.  Rhizomes slender; cauline leaf blades 2-6(7) cm long, 1-2 cm wide; corolla (0.7)1-3 cm long, white or pink
3
3.  Inflorescence elongate, with (2)3-8 flowers; corolla 25-30 mm long
3.  Inflorescence subsessile with 2 flowers; corolla (7)10-17 mm long
Genus Synonyms
Synonym Full Citation Basionym Type
Anthelminthia Anthelminthia P. Browne, Civ. Nat. Hist. Jamaica 156. 1756. TYPE: = Spigelia Linnaeus 1753.
Arapabaca Arapabaca Adanson, Fam. Pl. 2: 225. 1763. TYPE: = Spigelia Linnaeus 1753.
Canala Canala Pohl, Pl. Bras. Icon. Descr. 2: 62, t. 142. 1830 ("1831"), non Canalia F. W. Schmidt 1793. TYPE: Canala heliotropoides Pohl
Coelostylis Coelostylis Torrey & A. Gray ex Endlicher & Fenzl, Nov. Stirp. Dec. 32. 1839. TYPE: Coelostylis loganioides Torrey & A. Gray ex Endlicher & Fenzl
Montira Montira Aublet, Hist. Pl. Guiane 637, t. 257. 1775. TYPE: Montira guianensis Aublet