? Cockspur coral tree
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Fabales Family: Fabaceae Subfamily: Faboideae Tribe: Phaseoleae Genus: Erythrina Species: E. crista-galli
Binomial name
Erythrina crista-galli L.

Erythrina crista-galli is a flowering tree in the family Fabaceae, found in Argentina, Uruguay, Brazil and Paraguay. Locally, it is known by several common names: ceibo, seíbo, bucaré. In English it is known as Cockspur coral tree. Image File history File links Erythrina_crista-galli2. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Classes Magnoliopsida- Dicots Liliopsida- Monocots The flowering plants (also called angiosperms) are a major group of land plants. ... Young castor oil plant showing its prominent two embryonic leaves (cotyledons), that differ from the adult leaves Dicotyledons or dicots is a name for a group of flowering plants whose seed typically contains two embryonic leaves or cotyledons. ... Families Fabaceae (legumes) Quillajaceae Polygalaceae (milkwort family) Surianaceae The Fabales are an order of flowering plants, included in the rosid group of dicotyledons. ... Subfamilies Faboideae Caesalpinioideae Mimosoideae References GRIN-CA 2002-09-01 The name Fabaceae belongs to either of two families, depending on viewpoint. ... Tribes Abreae Adesmieae Aeschynomeneae Amorpheae Bossiaeeae Brongniartieae Carmichaelieae Cicereae Crotalarieae Dalbergieae Desmodieae Dipterygeae Euchresteae Galegeae Genisteae Hedysareae Indigofereae Liparieae Loteae Millettieae Mirbelieae Phaseoleae Podalyrieae Psoraleeae Robinieae Sophoreae Swartzieae Thermopsideae Trifolieae Vicieae Faboideae is a subfamily of the flowering plant family Fabaceae or Leguminosae. ... Genera include: Canavalia Lablab Macrotyloma Mucuna Phaseolus Psophocarpus Pueraria Vigna The tribe Phaseoleae is one of the subdivisions of the plant family Fabaceae, which includes the legumes. ... Species Over 100, see text Erythrina is a genus of tropical and subtropical flowering trees in the Family Fabaceae and distributed in tropical and subtropical regions worldwide. ... In biology, binomial nomenclature is the formal method of naming species. ... Carolus Linnaeus Carl Linnaeus, also known after his ennoblement as , (May 23, 1707 – January 10, 1778), was a Swedish botanist, physician and zoologist[1] who laid the foundations for the modern scheme of nomenclature. ... Subfamilies Faboideae Caesalpinioideae Mimosoideae References GRIN-CA 2002-09-01 The name Fabaceae belongs to either of two families, depending on viewpoint. ...

The tree's flower is the national flower of Argentina and Uruguay. It is also the official city tree of Los Angeles, California (where it is referred to simply as "the coral tree"). Nickname: City of Angels Official website: http://www. ...

Erythrina crista-galli is a small tree, the girth of its trunk measuring 50-cm. Normally, it grows 5-8 meters tall, although some, such as the ceibos in the Argentine provinces of Salta, Jujuy and Tucumán, can grow up to 10-m. Salta is a province of Argentina, located in the northwest of the country. ... Jujuy is a province of Argentina, located in the extreme northwest of the country, at the borders with Chile and Bolivia. ... Tucumán is a province of Argentina, located in the northwest of the country. ...

The species characteristically grows in the form of a "gallery forest." In the wild, it normally grows along water courses as well as in swamps and wetlands. In urban settings, it is often found growing in parks because of its bright red flowers.

The ceibos' root is a taproot which has nodules produced by nitrogen fixing bacteria. The bacteria live in symbiosis with the tree, facilitating the tree's absorption of nitrogen in return for organic substances which the bacteria need. The tree's trunk is woody with irregular, spiny branches. These branches form a layer without definite form and die after flowering. Primary and secondary roots in a cotton plant In vascular plants, the root is that organ of a plant body that typically lies below the surface of the soil (compare with stem). ... The dandelions taproot, quite apparent in this drawing, renders this plant very difficult to uproot – the plant itself gives way, but the root stays in the ground and may sprout again. ... Root nodules occur on the roots of plants that associate with symbiotic bacteria. ... Nitrogen fixation is the process by which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes (such as, notably, ammonia, nitrate and nitrogen dioxide). ... Common Clownfish (Amphiprion ocellaris) in their magnificent sea anemone (Heteractis magnifica) home. ...

The trees flower from October to April. The red flower, arranged in inflorescences of the raceme type, is pentameric, complete, and of bilateral symmetry. Its calyx is gamosepalous, like a little red thimble. The corolla, similar to that of Phaseolus vulgaris, is butterfly-shaped; however, ceibos' largest petal, the standard, is arranged in the lower part. Two of the petals, called wings, are so small that they are practically hidden within the calyx. The remaining two petals partially weld together on occasion and form the flower's keel or carina; this protects its reproductive organs. The androecium consists of ten stamens, one free and nine united by their filaments (gynostemial androecium). The unicarpela gynoecium is welded between the stamens like a knife in its sheath. Clivia miniata bears bright orange flowers. ... An inflorescence is a group or cluster of flowers on a branch of a plant. ... This inflorescence of the terrestrial orchid Spathoglottis plicata is a typical raceme. ... The word calyx has several possible meanings: Look up calyx in Wiktionary, the free dictionary. ... An androecium is a male part of a flower in a flowering plant. ... Stamens of the Amaryllis with prominent anthers carrying pollen Insects, while collecting pollen, accidentally transfer it from one flower to another, bringing about pollination The stamen is the male organ of a flower. ...

The tree's fruit is monocarpic, dry, of the legume type, and a few centimeters in length. The chestnut brown seeds are cylindrical in form and are arranged sparesely throughout the seedpod's interior. The seed germ contains hypogeous cotyledons because the seeds stay underground upon germination.

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Erythrina crista-galli

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References

This article draws heavily on the corresponding article in the Spanish-language Wikipedia.

• Día de la Flor Nacional (in Spanish) - "National Flower Day", in Argentina's Ministry of Health and Environment website (scientific description, pictures).