
Lantana Camara
Lantana camara
About Lantana Camara
Lantana camara, a prominent member of the Verbenaceae family, is a robust and visually striking tropical shrub native to the tropical Americas, including Central and South America. Historically introduced to various parts of the world as an ornamental plant, it has since naturalized in over 60 countries. Its global journey is a testament to its incredible resilience, though in many regions, it has earned a reputation as a highly aggressive and invasive species. Despite this, its mesmerizing, color-shifting floral displays make it an enduring subject of fascination for botanists and gardeners alike.
The most remarkable identification feature of Lantana camara is its inflorescence. The plant produces dense, flat-topped or slightly rounded umbel-like clusters (corymbs) composed of numerous tiny, tubular flowers. Each individual flower typically features four to five spreading lobes. As these flowers age, they undergo a stunning color transformation—often opening as yellow or pink and maturing into vibrant shades of orange, red, or deep purple. This creates a spectacular multicolored effect on a single flower head, earning it the nickname 'Spanish Flag'. The plant's foliage is equally distinctive; the leaves are ovate, deeply veined, and possess a rough, sandpaper-like texture. When crushed, these aromatic leaves release a pungent, herbaceous, and somewhat spicy scent. The stems are characteristically square and are often covered with small, recurved prickles. In terms of size, Lantana typically grows as a dense shrub reaching 2 to 6 feet in height, though it can climb significantly higher if supported by surrounding vegetation.
The floral formula for Lantana camara is Br % ⚥ K(5) C(5) A4 G(2). This denotes a bilaterally symmetrical (zygomorphic) and bisexual flower. It features a calyx of 5 fused sepals and a tubular corolla formed by 5 fused petals. The reproductive structures consist of 4 stamens (didynamous, meaning two long and two short) and a superior ovary comprised of 2 fused carpels. This specific structural arrangement makes the flower highly attractive and accessible to a wide array of pollinators, particularly butterflies and hummingbirds.
Cultivating Lantana is famously straightforward due to its hardy nature. It thrives in full, direct sunlight, requiring at least 6 to 8 hours of sun daily to produce its most vibrant and continuous blooms. It adapts exceptionally well to a variety of soils, provided they are well-draining, and is highly drought-tolerant once established. Growing best in USDA hardiness zones 8 through 11, it revels in heat and can easily withstand coastal salt spray, making it a popular choice for xeriscaping and resilient summer gardens.
Culturally, Lantana holds a complex status. While admired for its beauty, it is heavily controlled in many agricultural regions. In various traditional medicine systems, extracts of Lantana leaves have been used cautiously to treat skin ailments and respiratory issues. However, the plant carries a significant toxicity warning. Lantana is highly toxic to pets, including dogs, cats, and livestock, primarily due to triterpenoid compounds (such as lantadene) found in the leaves and unripe green berries, which can cause severe liver damage if ingested.
Common look-alikes include various species of garden Verbena. However, true Verbena generally features softer, non-woody trailing stems and lacks the pungent, distinctive aroma and the prickly, woody shrub habit characteristic of Lantana. For a vibrant, pollinator-friendly garden, Lantana pairs beautifully with other tropical and heat-loving plants. Explore our Flower Identifier hub to discover more. You might also consider companion planting with the resilient Pelargonium, the visually stunning Butterfly Pea, or the structural beauty of the Desert Rose.
Floral Formula & Features
Bracteate, bilaterally symmetrical, bisexual, 5 fused sepals, 5 fused petals, 4 stamens, 2 fused carpels with superior ovary
- Scientific Name & Classification: Lantana camara (Verbenaceae). Also known as Spanish Flag and Wild Sage.
- Identification Markers: Small 4-5 lobed tubular flowers in dense clusters that change color from yellow/pink to red/purple. Square, prickly stems and rough, aromatic ovate leaves.
- Floral Formula (Br % ⚥ K(5) C(5) A4 G(2)): Bilaterally symmetrical, bisexual, 5 fused sepals, 5 fused petals, 4 stamens, 2 fused carpels.
- Growing Requirements: Full sun, heat-loving, drought-tolerant. USDA zones 8-11. Very adaptable to poor soils.
- Cultural Significance: Prized ornamentally but considered an aggressive invasive species in many tropical regions.
- Safety & Toxicity: TOXIC. Leaves and unripe berries contain lantadene, causing severe liver distress in pets and livestock.
- Common Look-alikes: Often confused with standard Verbena, but Lantana is a woody shrub with pungent leaves, unlike herbaceous Verbena.
- Internal Links: For more robust garden plants, check the Flower Identifier, or pair with Pelargonium and Butterfly Pea.
Names in Different Languages
Toxicity & Safety
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
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.
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.

