EUPHORBIA LAURIFOLIA PDF

H Euphorbia laurifolia Juss. ex Lam. is an accepted name. This name is the accepted name of a species in the genus Euphorbia (family Euphorbiaceae). Euphorbia laurifolia is the name of a species, part of the genus Euphorbia. This species has been described by Juss. ex Lam. under the rules of the International . Family: Euphorbiaceae Juss. Genus: Euphorbia L. Euphorbia laurifolia Juss. ex Lam. This species is accepted, and its native range is W. South America to NW.

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Some of the variations are described below: Seeds of some species have a fleshy appendage called the caruncle above the point of attachment to the central column of the fruit. Euphorbia cotinifolia and E. It contains at least 2, species and is one of the most diverse groups of flowering plants on earth. Cyathia can differ widely in the presence of associated bracts or cyathophylls. The implications of this finding for understanding the evolution of Euphorbia are significant, and further understanding the phylogenetic relationships within subgenus Esula may help us understand where and how the genus evolved and spread to its current worldwide distribution.

Comparative ontogeny of the cyathium in Euphorbia Euphorbiaceae and its allies: Many of the herbaceous, leafy species of Euphorbia are commonly called “spurges. The milky sap or latex of spurges is suggested to have a protective and defensive role in helping heal wounds and in deterring potential plant-eaters. Euphorbia is a genus of plants in the Euphorbiaceae family.

With this basic model of the cyathium, many modifications upon it have evolved in the genus, as well as in the aggregation of cyathia into higher order units. Fruits of Euphorbia are capsules that typically split open explosively when ripe.

Euphorbia laurifolia Juss. ex Lam.

American Journal of Botany Some other names used for different laudifolia of Euphorbia include “Snow-on-the-mountian”, laurifo,ia head”, “Mexican fire plant”, and “Scarlet plume”. Laurifoliw are also many Euphorbia species in which cyathophylls and colored bracts are absent. What makes a Euphorbia Origin of the cyathium Fruits and seeds Diversity of life forms Uses and toxicity Systematics and classification The botanical name Euphorbia Common names.

There are many annual or perennial herbs, and these tend to retain leaves through their active growing periods. Apparently Juba’s romanization did euphorbai sit well with the local population, and after a few years in Numidia, Augustus transferred him to become King of Mauretania a Berber kingdom that was part of present-day western Algeria and northern Morocco — not the same as modern Mauritania, which is located on the Atlantic coast of Africa south of Western Sahara.

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In terms of symmetry, cyathia can be essentially actinomorphic, with many planes of symmetry, or slightly or strongly zygomorphic bilaterally symmetrical, with only one plane of symmetry. Many succulents are in turn thorny, and some have well developed underground tubers. Euphorbia became the official botanical name for the genus when Carolus Linnaeus published it in the first edition of his book Species Plantarum, in p.

Five glands Six glands with petaloid appendages Fused glands, ring-shaped. They track the origin of Euphorbia to relatives from the Old World Australia, New Caledonia, Africa, and Madagascar and conclude that the cyathium evolved from a more open grouping of flowers called alurifolia thyrse, with a terminal female flower surrounded by cymes of male flowers.

There are also many herbaceous species that are cultivated, such as Snow on the Mountain E. In euphodbia cases, such as E.

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The Pencil tree of Milk bush E. Threre are many local names for particular species of Euphorbia. A large portion of euphorbias, however, are succulent, with thickened, photosynthetic stems and very ephemeral leaves if present at all. All flowers in the Euphorbiaceae are unisexual either male or female onlyand they are often very small in size. Origin of the botanical Latin name Euphorbia. About the genus Euphorbia.

Euphorbia laurifolia | Live Plant Photos | The Field Museum

There are potentially three seeds per capsule, and there is a wide variety of size, shape, and surface features of the seeds and capsules. Succulent euphorbias are most diverse in southern and eastern Africa and Madagascar, but they also occur in tropical Asia and the Americas.

In Euphorbiathe flowers are reduced even more and then aggregated into an inflorescence euphorboa cluster of flowers known as a “cyathium” plural cyathia.

The Romans defeated Juba I in 46 BC and took his son back to Rome, where he was educated and became a learned scholar with interests in natural history. Here we show a small representation of Euphorbia life forms: Annual herb Perennial herb Succulent cushion-like plant.

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Euphorbia laurifolia Juss. ex Lam. — The Plant List

Inside the involucre are the flowers, usually with a number of extremely simplified male flowers consisting of a single anther, filament, and pedicel. Tree-like plant Prostrate herb Candelabriform tree. Five glands with fingerlike appendages Four glands with fingerlike appendages Five glands without appendages. Some species of Euphorbia have been used in folk medicine over the centuries, especially in the Euphrobia esula alliance. Generally there is a single female flower in the center consisting of a pedicel, a three-parted ovary, and no petals or sepals associated with it.

What makes a Euphorbia? Candelilla wax is obtained from E.

The main defining feature of the cyathium is the floral envelope or involucre that surrounds each group of flowers. The main uses of spurges are horticultural. Recent work by Kenneth Wurdack and Benjamin Van Ee has examined 15 different regions from the three plant genomes nuclear, chloroplast, and mitochondrialand this now shows clear support for the following relationships among the four main clades of Euphorbia: Since euphorbus also means “good fodder” or well-fed in Greek, there is also some speculation that Juba coined the name because both the plant and his physician were of rather lxurifolia constitution.

Medusoid succulent herb Shrub with pencil-like branches Sphaeroid succulent plant.

Fused glands, u-shaped Single gland Single gland. There is a wide variety of chemical compounds present in Euphorbia sap, and some of them are toxic and potentially carcinogenic. Other common names in Euphorbia Threre are many local names for particular species of Euphorbia. Exploring the organ-flower-inflorescence boundary.

Gerhard Prenner and Paula Rudall at the Royal Botanic Gardens, Kew England are currently studying the origin of the cyathium by comparing its early stages of development using scanning electron micrography and comparing them to the closest relatives of Euphorbia. For languages other than English, there are also many common names for different species of Euphorbiabut they will be included in individual species pages.

The involucre almost always has one or more special glands attached to it, most often on the upper rim, and these glands and their appendages vary greatly in size and shape.