Tiger Lily
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Tiger Lily

Lilium lancifolium

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Basic Details
Description
Floral Formula
Features
Translations
Related

How to Identify Tiger Lily

Tiger Lily Identification Guide
Pet Safety Verdict: ⚠️ TOXIC TO PETS. Verified by ASPCA guidelines. Ingestion can cause gastrointestinal upset, vomiting, or other clinical symptoms. Keep away from cats and dogs.
A detailed guide to identifying Tiger Lilies (Lilium lancifolium) by its key features: 1. Recurved Orange Petals: Large, nodding, downward-facing orange blossoms with petals that curve backward toward the stem. 2. Black/Purple Spots: Distinctive dark purple or black spots scattered across the inner surface of the orange petals. 3. Protruding Stamens: Six long, dramatic stamens extending outward from the center, capped with heavy, staining reddish-brown pollen. 4. Stem Bulbils: Small, shiny black onion-like bulbils growing in the leaf axils (where the leaves meet the stem), used for propagation.

Types & Sub-types of Tiger Lilies

Tiger lilies belong to the genus Lilium and are classified and distinguished based on petal curvature, color mutations, and hybrid groups: * By Species & Native Origin: 1. *True Tiger Lily (Lilium lancifolium/tigrinum):* The classic triploid species native to East Asia, sterile, propagating solely via stem bulbils. 2. *Wild Tiger Lily / Michigan Lily (Lilium michiganense):* Native to North American wet meadows, similar recurved orange spots but lacks stem bulbils. * By Color Mutations: 1. *Classic Orange:* The dominant, standard wild color form. 2. *Yellow Tiger Lily (Lilium lancifolium var. flaviflorum):* A rare, naturally occurring yellow-petaled mutation with dark spots. * By Hybridization (Tiger Lily Derivatives): 1. *Asiatic Hybrids (Tiger Parentage):* Cultivated hybrids bred for upright facing blooms, diverse color ranges (red, pink, white), and reduced pollen staining while retaining the spotted patterns.

Care & Growing Guide

Scientific Name & Geography: *Lilium lancifolium* belongs to the Liliaceae family. It is native to Eastern Asia, particularly China, Japan, and Korea, where it grows in meadows and on rocky slopes.

Seasonal Blooming & Hardiness

Seasonal Blooming Calendar: - Peak Bloom: Summer (typically June through September). - Planting Time: Sow seeds directly outdoors in early spring after the last frost, or transplant nursery starts in late spring.
Bloom Timeline
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About Tiger Lily

NameTiger Lily
Description

The Tiger Lily (Lilium lancifolium), a standout member of the Liliaceae family, is one of the most recognizable and striking lilies in the world. Native to the temperate regions of Eastern Asia, including China, Japan, and Korea, this herbaceous perennial has captivated gardeners for centuries with its towering stems and flamboyant, downward-facing blooms. The plant's name derives from the distinctive dark purple-to-black spots that adorn its brilliant orange petals, creating a pattern reminiscent of a tiger's coat.

Structurally, the Tiger Lily is a marvel of botanical symmetry. Each flower features six gracefully recurved tepals (three petals and three sepals that are virtually identical) that curl dramatically backward to form a 'Turk's cap' shape. This arrangement prominently displays the long, elegant stamens and anthers, which are heavily laden with rust-colored pollen. A unique characteristic of this species is the production of small, black, bead-like bulbils in the axils of its lance-shaped leaves. These aerial bulblets eventually drop to the ground and grow into new plants, allowing for easy naturalization.

In terms of cultivation, the Tiger Lily is remarkably hardy and resilient, thriving in USDA zones 3 through 9. It prefers full sun but can tolerate partial shade, provided it has well-draining soil rich in organic matter. Unlike many more delicate lily hybrids, *Lilium lancifolium* is notably resistant to many common lily viruses, making it a reliable choice for perennial borders and cottage gardens. Its height, often reaching between 3 to 6 feet, makes it an excellent backdrop plant that provides late-summer vertical interest.

Cultural significance and utility also define the Tiger Lily's history. In many East Asian cultures, particularly China, the bulbs are valued as a nutritious food source, often boiled or steamed for their slightly sweet, starchy flavor. They also hold a place in traditional medicine for their perceived cooling properties.

Today, the Tiger Lily remains a symbol of wealth, pride, and prosperity. Its ability to thrive with minimal intervention and its spectacular, spotted blooms continue to make it a favorite for those looking to add a touch of wild, exotic beauty to their landscape. ⚠️ Pet Safety Notice: True lilies (*Lilium* spp.) are exceptionally toxic and lethal to domestic cats, causing acute kidney failure from pollen or leaf ingestion. For full medical toxicity details, symptoms, and emergency vet first aid, read our dedicated Lily Pet Toxicity & Safety Guide.

For more botanical profiles and flower identification features, see our guides on Spiked Shaded Ginger and AngelWing Jasmine (Star Jasmine).

FamilyLiliaceae
GenusLilium
TribeLilieae

Floral Formula & Features

Floral FormulaEBr ⊕ ⚥ P3+3 A3+3 G(3)

Ebracteate (no bracts), Actinomorphic (radially symmetrical), bisexual, 6 free tepals in 2 whorls of 3 (perianth), 6 free stamens in 2 whorls of 3, 3 fused carpels with superior ovary

Features
  • Scientific Name & Geography: *Lilium lancifolium* belongs to the Liliaceae family. It is native to Eastern Asia, particularly China, Japan, and Korea, where it grows in meadows and on rocky slopes.
  • Identification Features: Features a tall stem (3-6 ft) with lanceolate leaves. Flowers have 6 recurved orange tepals with dark spots. Look for black bulbils (aerial bulblets) in the leaf axils.
  • Floral Formula (EBr ⊕ ⚥ P3+3 A3+3 G(3)): Radially symmetrical, bisexual flowers with 6 tepals in two whorls, 6 stamens, and a superior ovary with three fused carpels.
  • Growing Conditions: Extremely hardy (USDA zones 3-9). Prefers full sun to partial shade and well-draining, slightly acidic soil. Requires moderate, consistent watering during the growing season.
  • Cultural Significance & Names: Bulbs are edible and used in Asian cuisine and medicine. Known as 'Oniyuri' in Japan and 'Giglio tigrato' in Italy. Symbols of prosperity and wealth.
  • Internal Links: Compare key differences in our Orchid vs Lily comparison, or try our instant Flower Identifier.
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Popular Botanical Comparisons

Confused about identifying Tiger Lily? Compare key features, visual guides, and toxicity side-by-side with similar flowers:

Names in Different Languages

Latin / ScientificLilium lancifolium
English (Alternate)Devil Lily, Japanese Tiger Lily, Leopard Lily, Turk's Cap Lily
Hindiटाइगर लिली (Tiger Lily), नारंगी बाघ लिली (Nāraṅgī Bāgh Lilī)
Tamilடைக்கர் லில்லி (Tiger Lily), பச்சை மரதாணி (Pachai Marudhani)
Teluguపులి కలువ (Puli kaluva), పులి లలిత (Puli lalitha)
Malayalamകടുവപ്പൂ (Kaduva Pū), పులిപ്പూ (Puli Pū)
Kannadaಅಗ್ನಿಶಿಖಾ (Agnishikha)
Sanskritव्याघ्र-पुष्पम् (vyāghra-pushpam)
Bengaliটাইগার লিলি (Tiger Lily), উলটচন্ডাল (Olot Chandol), অগ্নিশিখা (Agnishikha)
Frenchlis tigré, lys tigré
Russianтигровая лилия (tigrovaya liliya)
Spanishlirio atigrado
GermanTigerlilie, Tiger-Lilie
ItalianGiglio tigrato
Chinese卷丹 (Juǎndān), 虎皮百合 (Hǔpí bǎihé)
Japaneseオニユリ (Oniyuri)

Toxicity & Safety

StatusHighly Toxic to Cats (Lethal). Even pollen can cause kidney failure. View Pet Safety Guide

Always keep toxic plants out of reach of children and pets. Consult a veterinarian or medical professional immediately if ingestion is suspected.

Frequently Asked Questions

Q: Why do Tiger Lilies have black spots on their petals??
These spots are part of the plant's strategy to attract pollinators like butterflies. The contrast of the dark spots against the vibrant orange petals makes the flower highly visible from a distance.
Q: Are the 'little black bulbs' on the stem seeds??
No, those are actually bulbils. They are a form of asexual reproduction; if they fall to the ground, they can grow into a new, identical Tiger Lily plant without needing pollination.
Q: Is it true that Tiger Lilies are lethal to cats??
Yes, they are exceptionally dangerous to felines. Even a small amount of pollen or water from the vase can cause acute, irreversible kidney failure in cats. Interestingly, they are not nearly as toxic to dogs.
Q: Can you really eat Tiger Lily bulbs??
In many Asian cultures, particularly China and Japan, the bulbs of certain Tiger Lily varieties are cultivated as a vegetable. They have a starchy texture similar to potatoes and a slightly sweet, nutty flavor.
Q: How can I distinguish a Tiger Lily from a Daylily??
Tiger Lilies have downward-facing flowers with petals that curl backward (recurved), and they have 6 stamens. They also produce black bulbils along the stem, which Daylilies never do.

What is Floral Formula?

A floral formula is a symbolic representation of a flower's structure using letters, numbers, and special symbols. It provides a concise way to describe the arrangement and number of floral parts.

Example Formula
% K(6) C1+2+(2) A(9) G2

This formula describes the flower's symmetry, sepals, petals, stamens, and carpels in a standardized format.

Formula Sequence

  • Bract: Br or Ebr
  • Bracteole: Brl or Ebrl
  • Symmetry: % (Radial) or ⊕ (Bilateral)
  • Sex: ♀ (Female), ♂ (Male), or ⚥ (Bisexual)
  • Calyx/Sepal: K<number> (Free or Fused)
  • Corolla/Petal: C<number> (Free or Fused)
  • Androecium: A<number> (Free or Fused)
  • Gynaecium: G<number> (Superior or Inferior Ovary)

Symbol Meanings

  • Numbers: Indicate quantity of parts
  • Parentheses (): Parts are fused together
  • Plus (+): Parts in different whorls
  • Underline: Superior ovary position
  • Overline: Inferior ovary position
  • ∞: Numerous parts (too many to count)

Understanding floral formulas helps botanists quickly identify and classify flowers based on their structural characteristics.