CLASSE LILIOPSIDA PDF

About the Classification Download. Classification for Kingdom Plantae Down to Class Liliopsida. Click on names to expand them, and on P for PLANTS profiles. The Class Liliopsida constitutes the monocotyledonous angiosperms and includes some of the largest plant families such as the orchids with some 20, . CLASS LILIOPSIDA (Batsch ) The Liliopsida (also called the monocots) range from tiny floating plants to common herbs and epiphytes.

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Botany/Liliopsida

It is considered synonymous or nearly synonymous with the name monocotyledon. The second largest to Orchidaceae and one of the most successful of families of monocotyledons is the grass family, classified as the Family Poaceae or Gramineae and comprising nearly 10, species distributed more widely than any other angiosperm family.

Liliatae [1] is a botanical name for the class containing the family Liliaceae or Lily Family. In some species, the sheath extends beyond the next node, so that consecutive leaf sheaths overlap, hiding the nodes. CS1 Russian-language sources ru. On the inner, upper surface of the leaf, between the sheath and the blade, is an outgrowth called a ligule.

The internal taxonomy in the Reveal system is. Policies and guidelines Contact us. This page was last edited on 30 Augustat These two are the only major systems to use the name, and in both these systems it refers to the group more widely known as the monocotyledons. Commelinidaesubclass Commelinidae – one of four subclasses or superorders of Monocotyledones; comprises about 19, species in 25 families of mostly terrestrial herbs especially of moist places including: Leaves that are concentrated near the base where the internodes are very short are termed basal leaves ; leaves arising at nodes along an elongated culm are cauline leaves.

Smaller liliopsidw of the inflorescence are called spikelets and these are clase on one or more branches in a wide variety of different ways to which the standard terminology for inflorescences can be applied, but using the spikelet instead of the individual flower. This may be a flap of membranous tissue or simply a fringe of hairs, an inconspicuous rim, or even absent all together, marked only by dark tissue. References in periodicals archive?

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Retrieved 7 January Grasses display two types of leaves: The liliopsids are considered to form a monophyletic group lliiopsida from an early dicot. The upper end of the sheath, known as the sheath mouth is the collar on the lower outer surface that may be produced into short appendages called auricles.

Although in principle it is true that circumscription of this class will vary with the taxonomic system being used, in practice this name is very strongly linked to the Cronquist systemand the allied Takhtajan system.

The longitudinal edges of the sheath may overlap, completely surrounding the culm, or the sheath may be tubular the margins connate. Classifying and naming crops. In other projects Wikimedia Commons. AlismalesNaiadalesorder Alismalesorder Naiadales – an order of aquatic monocotyledonous herbaceous plants.

Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae Liliidaesubclass Liliidae – one of four subclasses or superorders of Monocotyledones; comprises 17 families including: The grasses also have a fairly specific body plan that is immediately recognizable and very successful for colonizing seasonally dry landscapes, yet modifiable to suit a wide range of ecological conditions. Views Read Edit View liloipsida. Symposium, Hamburg, September 8—12, Therefore, these plants have had no cause to evolve floral structures that are attractive to insect or other animal pollinators.

Retrieved from ” https: Palmae; Araceae; Pandanaceae and Lemnaceae.

Thus, grasses with extensive rhizome development will form a turf rather than distinct tufts or bunches. In the previous chapter we learned how to separate the two major flowering plant groups: Each of the systems mentioned above use their own internal taxonomy for the group.

Views Read Edit View history. The culm is a rounded or slightly flattened stem with one or more solid joints known as nodes. Although there is variation in leaf blade shape, most grasses have linear-shaped leaves that are many times longer than wide, with margins that are parallel then taper to calsse point at the apex.

Although true secondary growth is absent, most growth habits are found in the group including floating liliopsiva submerged aquatics, lianas, trees, epiphytes, and forbs of all claasse Hahn, Alismatidaesubclass Alismatidae – clasae of four subclasses or superorders of Monocotyledones; comprises about species in 14 families of aquatic and semiaquatic herbs.

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Oliver liliopsda Boyd, If the veins are conspicuous, the leaf is striate; if the veins are raised, the leaf is ribbed. Rhizomes are jointed thus distinguishable from roots with bladeless leaves scales arising from the joints. By using this site, you agree to the Terms of Use and Privacy Policy. These vegetative leaves typically surround the culm as a sheaththen diverge outward at the “collar” as a long narrow blade with longitudinal parallel venation.

class Liliopsida

Kubitzki, Klaused. Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae. Features that are generally clxsse to monocots include vascular bundles that are irregularly distributed in cross-section of the stemleaves with parallel venation, and flower parts in multiples of three.

Liliposida II The Class Liliopsida constitutes the monocotyledonous angiosperms and includes some of the largest plant families such as the orchids with some 20, species and the grasses with perhaps 15, species. In summary the monocotyledons were named: Liliidaesubclass Liliidae – one of four subclasses or superorders of Monocotyledones; comprises 17 families including: From Wikibooks, open books for an open world.

Class Liliopsida – definition of class Liliopsida by The Free Dictionary

A stolon is a stem that creeps across the surface of the ground, and is really a basal branch of the culm that will develop roots and shoots from some or all of its nodes.

Earlier systems referred to this group by the name Monocotyledones, with Monocotyledoneae an earlier spelling these names may be used in any rank.

Systems such as the Dahlgren and Thorne systems more recent than the Takhtajan and Cronquist systems refer to this group by the name Liliidae a name in the rank of subclass. With but a few exceptions, the green leaves arise at nodes alternately up the culm. The class Liliopsida represents monocot plants, and Magnoliopsida represents dicot plants. This family is also the most important economically, providing species that are the world’s staple food lilopsida.