''Codiaeum variegatum'' (fire croton, garden croton, or variegated croton, or simply 'croton'; syn. ''Croton variegatum'' L.) is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of '' Codiaeum'', a genus of

flowering plants Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

, in the

Euphorbiaceae Euphorbiaceae (), the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of Euphorbia, the type genus of the family. Most spurges, such as ''Euphorbia paralias'', ar ...

(the spurge

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

). Initially described by

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

1753 Events January–March * January 3 – King Binnya Dala of the Hanthawaddy Kingdom orders the burning of Ava, the former capital of the Kingdom of Burma. * January 29 – After a month's absence, Elizabeth Canning return ...

, it is native to

Australasia Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...

and

Oceania Oceania ( , ) is a region, geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its co ...

, from

Malaysia Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and thre ...

and

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

in the north through northeastern Australia, as well as many

Southeast Asian Southeast Asia is the geographical southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Australian mainland, which is part of Oceania. Southeast Asia is ...

and

South Pacific islands The Pacific islands are a group of islands in the Pacific Ocean. They are further categorized into three major island groups: Melanesia, Micronesia, and Polynesia. Depending on the context, the term ''Pacific Islands'' may refer to one of several ...

, growing in open forests and scrub.Flora of China
''Codiaeum variegatum''
/ref>Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening'' 1: 665. Macmillan. The ''Codiaeums''' commonly used name of "croton" should not be confused with '' Croton'', a separate genus—also within the Euphorbiaceae—which contains more than 700 species of

cosmopolitan Cosmopolitan may refer to: Internationalism * World citizen, one who eschews traditional geopolitical divisions derived from national citizenship * Cosmopolitanism, the idea that all of humanity belongs to a single moral community * Cosmopolitan ...

herbs Herbs are a widely distributed and widespread group of plants, excluding vegetables, with savory or aromatic properties that are used for flavoring and garnish (food), garnishing food, for medicinal purposes, or for fragrances. Culinary use typi ...

shrubs A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

, and

trees In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only p ...

Description

''Codiaeum variegatum'' is an

evergreen In botany, an evergreen is a plant which has Leaf, foliage that remains green and functional throughout the year. This contrasts with deciduous plants, which lose their foliage completely during the winter or dry season. Consisting of many diffe ...

and

monoecious Monoecy (; adj. monoecious ) is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant. It is a monomorphic sexual system comparable with gynomonoecy, andromonoecy and trimonoecy, and contras ...

tropical

shrub A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

growing to tall, with thick, somewhat "leathery" and shiny, alternately arranged

leaves A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...

. The foliage may measure from long by broad. The shape of mature leaves may appear diamond- or teardrop-shaped, even

violin The violin, sometimes referred to as a fiddle, is a wooden chordophone, and is the smallest, and thus highest-pitched instrument (soprano) in regular use in the violin family. Smaller violin-type instruments exist, including the violino picc ...

-like or ruler-lanceolate,

lanceolate The following terms are used to describe leaf plant morphology, morphology in the description and taxonomy (biology), taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade ...

oblong An oblong is an object longer than it is wide, especially a non-square rectangle. Oblong may also refer to: Places * Oblong, Illinois, a village in the United States * Oblong Township, Crawford County, Illinois, United States * A strip of land ...

, elliptical, ovate-inverted, ovate-spatulate. The species is known for its vivid coloration (especially in higher sunlight), displaying almost "

tie-dye Tie-dye is a term used to describe a number of resist dyeing techniques and the resulting dyed products of these processes. The process of tie-dye typically consists of folding, twisting, pleating, or crumpling fabric or a garment, before binding ...

"-like patterns of green, yellow, and purple, in varying hues and intensity, depending on variety. The

petiole Petiole may refer to: *Petiole (botany), the stalk of a leaf, attaching the blade to the stem *Petiole (insect anatomy) In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and ...

has a length of 0.2 to 2.5 cm. Similarly to other euphorbs, the

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

s are long

racemes A raceme () or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the shoo ...

, long, with male and female flowers separated. Male flowers are white, with five small

petals Petals are modified leaves that form an inner whorl surrounding the reproductive parts of flowers. They are often brightly coloured or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''coroll ...

and 20–30

stamens The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filamen ...

. The pollens are oval in shape and about 52x32

microns The micrometre (English in the Commonwealth of Nations, Commonwealth English as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, is a uni ...

in size. The female flowers are yellowish and lacking petals. The blooming period is usually in early autumn, depending on location. The inedible and toxic fruit (for most

mammals A mammal () is a vertebrate animal of the class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle e ...

) is a capsule measuring roughly in diameter, containing three seeds of diameter. When broken or cut, every part of ''C. variegatum'' will "bleed" and drip a milky, caustic sap, eventually drying into a

latex Latex is an emulsion (stable dispersion) of polymer microparticles in water. Latices are found in nature, but synthetic latices are common as well. In nature, latex is found as a wikt:milky, milky fluid, which is present in 10% of all floweri ...

-like consistency, as is typical of the Euphorbiaceae. Care must be taken to avoid touching this latex (i.e., only gardening while wearing thick, protective gloves, and eye or

sunglasses Sunglasses or sun glasses (informally called shades or sunnies; more names Sunglasses#Other names, below) are a form of Eye protection, protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damagin ...

Cultivation

In tropical climates, crotons make attractive hedges and potted patio specimens, valued for their striking foliage. They only survive outdoors where temperatures do not normally drop below in winter; colder temperatures can cause leaf loss. In colder climates, the plants are grown in greenhouses or as house plants. The cultivated garden crotons are usually smaller than the wild plant, rarely over tall, and occur in a wide diversity of leaf shapes and colours. They are sometimes grouped under the name ''Codiaeum variegatum'' var. ''pictum'' (Lodd.) Müll. Arg., though this is not botanically distinct from the species and usually treated as a synonym of it.

Cultivars

The several hundred

cultivar A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...

s are selected and bred for their foliage. Depending on the cultivar, the leaves may be ovate to linear, entire to deeply lobed or crinkled, and variegated with green, white, purple, orange, yellow, red, or pink. The colour patterns may follow the veins or the margins, or be in blotches on the leaf. Popular cultivars include 'Spirale', which has spirally twisted red and green leaves; 'Andreanum', which has broadly oval yellow leaves with gold veins and margins; 'Majesticum', which has pendulous branches, with linear leaves up to long with

midrib A primary vein, also known as the midrib, is the main vascular structure running through the center of a leaf. The primary vein is crucial for the leaf’s efficiency in photosynthesis and overall health, as it ensures the proper flow of material ...

veins yellow maturing to red; and 'Aureo-maculatum', which has leaves spotted with yellow.

Toxicity

As with the majority of the spurges, when broken or cut, every part of ''C. variegatum'' will "bleed" and drip a milky, caustic sap, eventually drying into a

-like consistency.Flora of China
''Codiaeum variegatum''
/ref>Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening'' 1: 665. Macmillan. Care must be taken to avoid touching this latex, such as only handling the plant while wearing sufficiently protective gloves, as well as eye goggles or

. Generally, small, inadvertent drops of the sap on one's hands or skin will cause no ill effect in the majority of the population, provided it is promptly washed off using soapy, warm water—this may even be followed with the use of a

hand sanitizer Hand sanitizer (also known as hand antiseptic, hand disinfectant, hand rub, or handrub) is a liquid, gel, or foam used to kill viruses, bacteria, and other microorganisms on the hands. It can also come in the form of a cream, spray, or wipe. W ...

or even a mildly diluted

isopropyl alcohol Isopropyl alcohol (IUPAC name propan-2-ol and also called isopropanol or 2-propanol) is a colorless, flammable, organic compound with a pungent alcoholic odor. Isopropyl alcohol, an organic polar molecule, is miscible in water, ethanol, an ...

. However, direct contact between the sap of

and the eyes, ears, nose, mouth, genitals, or any open wound, is strongly discouraged and may result in unknown side effects. Complications stemming from sap contact may range from mild to extreme burning pain, itchiness, rash or temporary dulling of the senses; depending on the region of the body affected, this sensory reaction may include temporary or long-term complications with sight, hearing, taste, feeling or smell, among other issues. In certain sensitive-skinned individuals, contact with small amounts of the sap can cause

contact dermatitis Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes ...

.Occupational contact dermatitis due to croton (Codiaeum variegatum (L.) A. Juss var. pictum (Lodd.) Muell. Arg.). Sensitization by plants of the Euphorbiaceae. ''Contact Dermatitis'' 1977 Dec. 3(6): 289-92
abstract
The entire plant, including its bark, roots, inflorescences and foliage, is poisonous.National Tropical Botanical Garde
Codiaeum variegatum (Euphorbiaceae)
The primary alkaloid present is the

chemical compound A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element ...

5-desoxyingenol. The plant contains an oil which is violently

purgative Laxatives, purgatives, or aperients are substances that loosen stools and increase bowel movements. They are used to treat and prevent constipation. Laxatives vary as to how they work and the side effects they may have. Certain stimulant, lubri ...

and a suspected

carcinogen A carcinogen () is any agent that promotes the development of cancer. Carcinogens can include synthetic chemicals, naturally occurring substances, physical agents such as ionizing and non-ionizing radiation, and biologic agents such as viruse ...

. Consumption of the seeds can be fatal to children and even adults.

Gallery

File:Codiaeum variegatum in Miyako-jima, Okinawa Prefecture DSC 7928.jpg, ''C. variegatum'' in ', Okinawa Prefecture, Japan File:Codiaeum variegatum in Miyako-jima, Okinawa Prefecture IMG 4556.jpg, ''C. variegatum'' in ', Okinawa Prefecture File:Codiaeum variegatum.jpg, Completely yellow leaves on a specimen in

Kolkata Kolkata, also known as Calcutta ( its official name until 2001), is the capital and largest city of the Indian state of West Bengal. It lies on the eastern bank of the Hooghly River, west of the border with Bangladesh. It is the primary ...

, India File:Croton Petra.jpg, Croton 'Petra' in a botanical garden File:Starr 030702-0039 Codiaeum variegatum.jpg, Narrow-leaved variety File:Colpfl11a.jpg, A green-yellow variegated variety File:Codiaeum variegatum - female flowers - Kroton 002.jpg, Female flowers File:Starr 070111-3131 Codiaeum variegatum.jpg, Young fruits

References

{{Taxonbar, from=Q1345646 Codiaeae House plants Plants described in 1753 Taxa named by Carl Linnaeus Garden plants