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CRASSOCEPHALUM CREPIDIOIDES PDF

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Preferred Scientific Name; Crassocephalum crepidioides. Preferred Common Name; redflower ragleaf. Taxonomic Tree; Domain: Eukaryota. Crassocephalum crepidioides is a PERENNIAL growing to m (2ft 7in) by m (1ft) at a fast rate. It is hardy to zone (UK) Suitable for: light (sandy) and. Flowering class: Dicot Habit: Herb Distribution notes: Exotic.

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Racines pivotantes blanches ou brunes.

Crassocephalum crepidioides – Wikipedia

Il mesure 5,5 mm de long et 5 mm de large. Les feuilles sont de couleur vert sombre. Les capitules sont rapidement retombants. Le style est longuement bifide. Les feuilles de C.

Best supported on Google Chrome, Firefox 3. Powered by the open source Biodiversity Informatics Platform. Technology partner Strand Life Sciences. Search in all groups Search within this group. Crepidiioides specific search options Taxon Hierarchy. Observation specific search options Observed during. Document specific search options Title. User specific search options User. User Group specific search options Title. Checklists specific search options Observed during. Or, Login with your user account:.

Remember me Forgot password? Send a request for permission. Hollow or solid stem.

Equality of opposite leaves. Crassocephalum diversifolium Hiern [Illegitimate]. A general description, with any kind of information about the taxon.

Its main goal is summarize the most relevant or attractive characteristics of this taxon to the general public. There is content in another language.

Please click here to read it. The taproots are white or brown. Stem with rounded or fluted cross-section, solid, hairy. Leaves simple, divided, spirally alternate, sessile crassoocephalum stalked, glabrous or pubescent on both sides, margin coarsely dentated, acute apex and base, pinnately veined.

Crassocephalum crepidioides

Flowers are bisexual, sessile, red or red-brown, grouped in terminal capitulums with only tubular flowers. The fruit is an achene with pappus. Cotyledons The crassocephlaum of the cotyledons mm long is glabrous, purple in colour color in its lower part.

The leaf blade is broadly ovate, with obtuse base, obtuse apiculate tip, entire margin. It is completely glabrous. Its upper surface which is covered by crepidoides purple midrib, is green-blue in color. The underside is glabrous, purple green, the upper side is pubescent, blue green, palmately veined.

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The ribs of the lower face has sparse violet hairs. The branches are covered with a dense pubescence. The basal cgassocephalum are sessile, held by a pseudo-petiole crassocepbalum or less long, corresponding to the base of the blade highly attenuated along the midrib. The lamina is generally oval or elliptical, of 6 to 18 cm long and 2 to 5 cm wide, having 0 to 4 pinnated lobes more or less deep crassocephlaum the base. The apex is acute to acuminate.

The margin is irregularly serrated, the alternate venation is visible, both sides are shortly pubescent. The upper leaves are become smaller in size, sessile, with elliptical blade increasingly narrow. The leaves are dark green in colour. Each capitulum is supported by a short pedicel inserted in the axils of a linear lanceolate leafy bract.

The capitulum measures mm in diameter and 11 to 13 mm in height, surrounded by an involucre of crepidioiees in 2 series. Internal bracts are numerous 13 to 18erect, linear, long 10 to 11 mm, ending in a tip of black purple. The anthers are purple. The style is long bifid. It is a dark brown in colour with the base and the end crepdiioides in colour.

The pappus is composed of many white thin crepisioides, with tiny tines. These bristles, measure 9 to12 mm long, and are deciduous. A textual diagnostic description of the species that is not necessarily structured. Nomenclature and Classification Nomenclature and Classification. Natural History Natural History Reproduction. Describes reproductive physiology and behavior, including mating and life history variables. Includes cues, strategies, restraints, rates.

Look Alikes There is content in another language. In shifting cultivation plots recently burned, it can invade as a dominant pioneer species.

It prefers rich, well-drained soils and tolerates wet soils, but not waterlogging. It grows well in the shade in plantations, eg. It is present in arable land, along river banks and crassocepyalum, tea and cinchona plantations, especially in damp places, from to m above sea level and in the rice fields of altitude.

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It develops in crops on the slopes, in valleys or in plains, on slopes, edges of fields and roads. A crassocephaljm of sugarcane fields and vacant lots, fairly widespread.

Common species distributed throughout the island but preferably between and m. Relations interorganismes dans leur environnement. It is also found in Madagascar and Mauritius. It was introduced and has naturalized throughout tropical and subtropical Asia, Australia, New Hebrides, Fiji, Tonga and Samoa, and parts of the Americas.

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Enumerates geographic entities where the taxon lives. Does not include altitudinal distribution, which is covered under Habitat. Occurrence Occurrence Occurrence Records.

The current map showing distribution of species is only indicative.

Crassocephalum crepidioides (Benth.) | Species | WIKTROP Portal V

Related observations Show all. Includes abundance information population size, density and demographics e. Global harmfulness Rarely harmful. Species of low to medium frequency but rarely abundant in crops. A weed with low to medium harmfulness in sugar cane fields when it grows in large numbers. Negative impacts on humans, communities. Uses and Management Uses and Management Uses. The leaves of C. Species used as medicine.

Known or potential benefits of the species for humans, at a direct economic level, as instruments of education, prospecting, eco-tourism, crassocephalhm. It includes published material or suggestions vrepidioides the author or others. In any event, the source must be explicitly quoted. Can include ecosystem services. However, benefits to ecosystems not specific to humans are best treated under Risk statement what happens when the organism is removed.

After emergence of C. Describes techniques and goals used in management of species – breeding and cultivation, control etc. May include management relative to a piece of legislation, e. Lutte globale Lute chimique: Encyclopedia of Life EOL. Major Weeds of the Philippines.

Weeds of rice in Indonesia.

African weeds of rice. Montpellier, France, Cirad ed. People Partners Donors Team. Others Citation Feedback Contact Us.