Contains 8 accepted taxa overall.

Characteristics
Lilium L.
LILY
Classification
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LILIALES
Lilium
Citation
LILIUM Linnaeus, Sp. Pl. 302. 1753.
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TYPE: Lilium candidum Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 502. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Lilium canadense Red Canada Lily
Lilium catesbyi Pine Lily, Catesby's Lily, Leopard Lily
Lilium formosanum Formosa lily
Lilium longiflorum Easter lily, November lily
Lilium michauxii Carolina Lily
Lilium philippinense
Lilium pyrophilum Sandhills Bog Lily
Lilium superbum Turk's-cap Lily, Lily-royal
Identification Key
1.  Leaves all aternate, to 20 cm long, to 1.5 cm wide; tepals 13-25 cm long, white, sometimes suffused with purple colors, the tepals overlapping and forming a closed tube for most of their length
2
1.  Leaves all alternate, or some or all whorled, or all whorled, to 15 cm long, 3.5 cm wide; tepals to 12 cm long, pinkish, yellow, orange, to reddish, not white, the tepals not overlapping or only overlapping at the very base
4
2.  Not rhizomatous; leaves to 15 mm wide; tepals 13-18 cm long, inner surface glabrous at base
2.  Rhizomatous; leaves to 10 mm wide; tepals 13-25 cm long, inner surface papillose at the base
4
3.  Stem often scabridulous; leaves numerous and crowded at base of stem, 3-10 mm wide; tepals 13-20 cm long, recurved at the tip, flower tube dilated from the middle to the apex outer ones often suffused with purple especially along midvein
3.  Stem glabrous; leaves scattered along the stem, 2-6 mm wide; flower tube subcylindric, slightly dilated at apex; tepals 18-25 cm long, spreading at the tip
4.  Not rhizomatous; leaves alternate, not papillose; pedicel erect to slightly curved; anthers yellow to orange-yellow
4.  Rhizomatous or not; leaves alternate or some or all whorled, papillose or not on the margins and lower surface veins; pedicel recurved; anthers orange-brown to brown
5
5.  Not rhizomatous; leaves distinctly succulent or fleshy, oblanceolate to obovate, the lower surface strongly pale; flowers strongly fragrant
5.  Rhizomatous; leaves not fleshy, elliptic to lancoleate or oblanceolate (infrequently obovate), the lower surface mildly lighter green; flowers odorless or mildly fragrant
6
6.  Rhizomes 9-18 cm long, with 3-4 annual bulbs, scaleless sections between bulbs 2.7-5.4 cm; bulb-scale leaves or their abscission scars present; leaves usually papillose on the margins and lower surface veins; inflorescences with 1-4 flowers; dominant color of tepals pale yellow to orange
6.  Rhizomes 5-10.5 cm long, with 2(3) annual bulbs, scaleless sections between bulbs 0.3-3.8(4.6) cm; bulb-scale leaves or their abscission scars absent; leaves not papillose on the margins and lower surface veins; inflorescences with 1-22 flowers; dominant color of tepals orange to red
Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.