What is meant by lodicules?

Last Update: April 20, 2022

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Asked by: Maybelle Schmeler
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: one of usually two delicate membranous hyaline scales at the base of the ovary of a grass that by their swelling assist in anthesis.

What are the function of lodicules?

The lodicules are the two diminutive bodies lying between the lemma and the ovary base in the grass floret which, by expanding rapidly at the time of anthesis, lever away the rigid lemma allowing anthers and stigmas to emerge. Expansion results from the swelling of a cushion of tissue at the base of each lodicule.

How many lodicules present in rice plant?

Rice floret contains four whorls of floral organs, which are made up of one lemma, one palea, two lodicules, six stamens, and one carpel from outside to inside, respectively [1].

What is lodicule in wheat?

Abstract. Development of the lodicules in wheat is described in pre- and post-anthesis flowers. Each lodicule consists of a vascular fleshy body and an avascular membranous wing. At the onset of anthesis, the vascular region swells extensively and subsequently contracts after which the tissues autolyse rap- idly.

What family is the lodicules found in?

Lodicules are a characteristic of Family poaceae (Grasses). There are scale like structures present below the ovary in most grasses, e.g., wheat, maize etc.

What does lodicule mean

37 related questions found

What is called pistil?

Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed. Stigma: The part of the pistil where pollen germinates.

Where are Lodicules found?

Lodicules are two or three-minute scaly structures that are present at the base of the ovary. They are present inside the corolla. They are translucent structures. They are too small to be seen without magnification.

What is Lemma in plants?

Lemma is a phytomorphological term referring to a part of the spikelet. It is the lowermost of two chaff-like bracts enclosing the grass floret. It often bears a long bristle called an awn, and may be similar in form to the glumes—chaffy bracts at the base of each spikelet.

What is Lemma and Palea?

In place of sepals, grasses have evolved the lemma and the palea, two bract-like structures that partially or fully enclose the inner reproductive organs. ... In rice, a feature of the palea is the bending of its lateral region into a hook-shaped marginal structure.

What is versatile anther?

Versatile anther is anther whose attachment is near its middle. This enables them to swing freely. Anthers are the structure which is found at the end or filament of a flower's stamen. They are involved in the formation and release of pollen.

Are sepals present in rice flower?

From the outermost to innermost, these include: whorl 1, four sepals; whorl 2, four petals; whorl 3, six stamens; and whorl 4, two carpels. (B) Rice flowers are also composed of four concentric whorls of floral organs. From the outermost to innermost, these include: whorl 1, one palea and one lemma; whorl 2, ...

What is a rice spikelet?

Spikelets are the basic inflorescence units in rice and typically consist of a flower of interlocked lemma and palea forming a husk, two lodicules, six stamens, and one pistil.

What is rice flower called?

Flower Anatomy. The rice "flower" is called a SPIKELET.

What is spikelet inflorescence?

inflorescence of grasses is the spikelet, a small structure consisting of a short axis, the rachilla, to which are attached chaffy, two-ranked, closely overlapping scales. There are three kinds of scales. The lowermost, called glumes, are usually two in number, and they enclose some or all of the other scales.…

What is Verticillaster inflorescence?

Verticillaster inflorescence is a condensed form of dichasial (biparous) cyme with a cluster of sessile or sub-sessile flowers in the axil of a leaf, forming a false whorl of flowers at the node. This type of inflorescence is characteristic of Lamiaceae (Labiatae) family.

What is the lemma of a word?

In linguistics and lexicography, lemma is the form of a word under which it is registered in a dictionary. A lemma is, so to speak, the keyword in the respective reference work. This is helpful because not all possible word forms of a word get their own entry in a lexicon.

What are the florets?

1 : a small flower especially : one of the small flowers forming the head of a composite plant. 2 : a cluster of flower buds separated from a head especially when used as food broccoli florets.

Which plant gives smallest flower?

Watermeal (Wolffia spp.) is a member of the duckweed family (Lemnaceae), a family that contains some of the simplest flowering plants. There are various species of the genus Wolffia worldwide, all very small. The plant itself averages 1/42” long and 1/85” wide or about the size of one candy sprinkle.

What is the difference between glume and bract?

As nouns the difference between bract and glume

is that bract is (botany) a leaf or leaf-like structure from the axil out of which a stalk of a flower or an inflorescence arises while glume is (botany) a basal, membranous, outer sterile husk or bract in the flowers of grasses (poaceae) and sedges (cyperaceae).

What is glume in flower?

In botany, a glume is a bract (leaf-like structure) below a spikelet in the inflorescence (flower cluster) of grasses (Poaceae) or the flowers of sedges (Cyperaceae). ... Glumes may be similar in form to the lemmas, the bracts at the base of each floret.

Which family has Gynobasic?

Gynobasic style is the feature of the Labiatae family or mint family.

What do you mean by Epipetalous stamen?

Epipetalous are those flowers in which the androecium (anther) is attached with the petals of the flower. ... On the other side, epiphyllous condition is the one in which the stamens are fused with tepals (whorls of perianth) as found in the liliaceae family.

Which type of inflorescence is found in Euphorbia?

The inflorescence present in the euphorbia flower is Cyathium type. The Cyathium inflorescence shows the presence of achlamydeous flowers that are flowers without a perianth. The inflorescences of the second order are simple cymes which consist of one central and two lateral cyathia.

Is pistil male or female?

The pistil is a plant's female part. It generally is shaped like a bowling pin and is located in the flower's center. It consists of a stigma, style and ovary.