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Topic: Inflorescence


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  Inflorescence - Wikipedia, the free encyclopedia
An inflorescence is a group or cluster of flowers on a branch of a plant.
An inflorescence is said to be indeterminate if the number of flowers may increase after the first flower opens, even while others are opening, and determinate if the number of flowers cannot increase after the first flower opens.
A panicle is a branched, indeterminate inflorescence with pedicellate (having short floral stalks) flowers on the secondary branches.
en.wikipedia.org /wiki/Inflorescence   (345 words)

  
 inflorescence
In a cymose inflorescence, the tip of the main axis produces a single flower and subsequent flowers arise on lower side branches, as in forget-me-not Myosotis and chickweed Stellaria; the oldest flowers are, therefore, found at the tip.
A racemose inflorescence has an active growing region at the tip of its main axis, and bears flowers along its length, as in hyacinth Hyacinthus; the oldest flowers are found near the base or, in cases where the inflorescence is flattened, towards the outside.
Other types of racemose inflorescence include the catkin, a pendulous inflorescence, made up of many small stalkless flowers;; the spadix, in which tiny flowers are borne on a fleshy axis; and the capitulum, in which the axis is flattened or rounded, bears many small flowers, and is surrounded by large petal-like bracts.
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0007054.html   (341 words)

  
 Encyclopedia: Inflorescence   (Site not responding. Last check: 2007-11-07)
White-fruited Rowan (Sorbus glabrescens) corymb; note the branched structure A panicle is a compound raceme; a branched, indeterminate inflorescence with pedicellate flowers (and fruit) attached along the secondary branches (in another words, a branched cluster of flowers in which the branches are racemes).
This inflorescence of the terrestrial orchid Spathoglottis plicata is a typical raceme.
An inflorescence is said to be determinate if the number of flowers cannot increase after the first flower opens; in determinate flower clusters, the most distal flowers (furthest from the stem) open first or all open at about the same time.
www.nationmaster.com /encyclopedia/Inflorescence   (998 words)

  
 Inflorescence - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-11-07)
An umbel is a type of raceme with a short axis and multiple floral pedicels that appear to arise from a common point.
Inflorescence Damage by Insects and Fungi in Native Pili Grass (Heteropogon contortus) versus Alien Fountain Grass (Pennisetum setaceum) in Hawai`i [1].
Inflorescence Morphology, Heterochrony, and Phylogeny in the Mimosoid Tribes Ingeae and Acacieae (Leguminosae: Mimosoideae).
encyclopedia.worldsearch.com /inflorescence.htm   (414 words)

  
 INFLORESCENCE   (Site not responding. Last check: 2007-11-07)
An inflorescence is said to be determinate if the number of flowers cannot increase after the first flower opens; in determinate flower clusters, the most distal flowers open first or all open at about the same time.
A corymb is a racemose inflorescence that is flat-topped or convex because the outer pedicels are progressively longer than the inner ones.
A panicle is a branched, indeterminate inflorescence with pedicellate flowers on the secondary branches.
www.yotor.org /wiki/en/in/Inflorescence.htm   (291 words)

  
 Inflorescence Terminology (Part 1)
The spadix is the characteristic inflorescence of the remarkable arum family (Araceae).
Inflorescences with oldest flower at the end of the main axis are called "determinate" (i.e.
This is the typical inflorescence of willow (Salix), cottonwood (Populus), oak (Quercus), alder (Alnus) and birch (Betula).
waynesword.palomar.edu /terminf1.htm   (881 words)

  
 Search Results for inflorescence - Encyclopædia Britannica
An inflorescence is categorized on the basis of the arrangement of flowers on a main axis (peduncle) and by the timing...
In determinate (cymose) inflorescences, the youngest flowers are at the bottom of an elongated axis or on the outside of a truncated axis.
In indeterminate inflorescences, the youngest flowers are at the top of an elongated axis or on the centre of a truncated axis.
www.britannica.com /search?query=inflorescence&submit=Find&source=MWTEXT   (387 words)

  
 ACERACEAE [Draft]   (Site not responding. Last check: 2007-11-07)
Inflorescence a corymb, umbel, raceme, or panicle, terminal or lateral.
Inflorescence terminal or axillary, erect, glabrous or gray puberulous, 15--30 cm; peduncles 3--5 cm.
Inflorescence terminal or axillary, erect, 15--25 cm, densely white pubescent; peduncles 4--6 cm.
hua.huh.harvard.edu /china/mss/volume11/Aceraceae-AGH_coauthoring.htm   (4604 words)

  
 Todd Richmond's Thesis - Inflorescence development in Arabidopsis   (Site not responding. Last check: 2007-11-07)
Previously it was thought that the primary inflorescence meristem was also responsible for the production of the secondary inflorescences that arise out of the axils of the cauline leaves present on the primary inflorescence.
Later, differentiation of the secondary inflorescences is seen from the axils of the pre-existing leaf primordia.
Inflorescence meristem mutants include mutants that fail to produce normal flower primordia, produce flower meristems that are reduced in size, have altered patterns of flower meristem formation, have inflorescence meristems that are altered in size or shape, or produce partial transformations of flowers into inflorescence-like structures.
cellwall.stanford.edu /thesis/thesis06.htm   (804 words)

  
 Todd Richmond's Thesis - Inflorescence meristem   (Site not responding. Last check: 2007-11-07)
Since the primary defect is seen in the inflorescence meristem (IM), a detailed examination was made of IMs collected from plants grown in both long-day and short-day conditions.
For wild-type inflorescences there was little difference between primary and secondary inflorescence meristems or between meristems collected under short day or long day conditions.
Though the inflorescence meristem itself is normal in appearance, a number of abnormal older flowers are present.
cellwall.stanford.edu /thesis/thesis18.htm   (719 words)

  
 Inflorescence development in a new teosinte: Zea nicaraguensis (Poaceae) -- Orr and Sundberg 91 (2): 165 -- American ...
inflorescences in teosinte populations arise from maize introgression
Orr A. Haas M. Sundberg 1997 Organogenesis of Fascicled Ear mutant inflorescences in maize (Poaceae).
Orr A. Kaparthi C. Dewald M. Sundberg 2001 Analysis of inflorescence organogenesis in eastern gamagrass, Tripsacum dactyloides (Poaceae): the wild type and the gynomonoecious GFS1 mutant.
www.amjbot.org /cgi/content/full/91/2/165   (4348 words)

  
 Section 26: Study of Inflorescence
Inflorescences are classified based on a conventional descriptive system utilized by taxonomists.
Troll's two major classification include monotelic, or closed inflorescence, in which the axis terminates in a flower, and polytelic, or open inflorescence, where the apical meristem aborts without the formation of a terminal flower.
Troll's scheme provides an alternative means of studying inflorescence that does not delimit the inflorescence from the remainder of the plant's structure.
botit.botany.wisc.edu /courses/structure_cd/labs/B26/26.htm   (392 words)

  
 Inflorescence Terminology (Part 2)
The syconium is a complex inflorescence (flower cluster) consisting of a hollow, fleshy structure (peduncular tissue) lined on the inside with numerous tiny unisexual flowers.
This is the characteristic inflorescence of the genus Euphorbia(and Chamaesyce) in the euphorbia family (Euphobiaceae).
This is the characteristic inflorescence of the sunflower family (Asteraceae).
waynesword.palomar.edu /terminf2.htm   (1228 words)

  
 Analysis of inflorescence organogenesis in eastern gamagrass, Tripsacum dactyloides (Poaceae): the wild type and the ...
axillary inflorescence showing the transition from the paired male spikelet condition (double arrows) in the proximal region to the single spikelet, female condition (single arrow) in the distal region (dashed line indicates transition node).
inflorescence with paired, sessile, and pedicellate spikelets in the upper region and single, sessile spikelets in the lower region.
inflorescence and ovary abortion in the distal (staminate)
www.amjbot.org /cgi/content/full/88/3/363   (5685 words)

  
 Blossom arrangement -- inflorescence types
Below, with the pink splatters representing flowers, or blossoms, are diagrams of various common inflorescence types.
The white head consists of dozens of slender, white flowers, the pedicels (flower stems) of which all join at one place so that the flowers form a sort of sphere.
The third-from-the-left is part of an inflorescence of the Lyre-leaved Sage, Salvia lyrata.
www.backyardnature.net /inflorsc.htm   (598 words)

  
 Inflorescence diversification in the panicoid "bristle grass" clade (Paniceae, Poaceae): evidence from molecular ...
Inflorescence diversification in the panicoid "bristle grass" clade (Paniceae, Poaceae): evidence from molecular phylogenies and developmental morphology
Inflorescence meristem (1° axis), before initiation of the 2° axis primordia that will form the main branches of the inflorescence.
Inflorescence initiating 2° axis primordia distally while at the base 2° axis meristems are already initiating 3° axis primordia; scale bar = 50 µm.
www.amjbot.org /cgi/content/full/89/8/1203   (6937 words)

  
 INFLORESCENCE INITIATION AND DEVELOPMENT IN CYRTANTHUS ELATUS
Variables such as number of florets and inflorescences present, length of inflorescence and differentiation stage of oldest floret were recorded.
In the primary inflorescence the pollen grains matured between August and December, while a second smaller bloom was observed in April.
A fourth inflorescence was observed during October to January, as well as during April to June, following the development of the tertiary inflorescence.
www.actahort.org /books/430/430_17.htm   (204 words)

  
 The Genetic Basis for Inflorescence Variation Between Foxtail and Green Millet (Poaceae) -- Doust et al. 169 (3): 1659 ...
The higher-order branch primordia at the distal end of the inflorescence are differentiating into spikelets and bristles.
inflorescence branches in a 1-cm region in the middle of the
, A. N., and E., 2002 Inflorescence diversification in the panicoid "bristle grass" clade (Paniceae, Poaceae): evidence from molecular phylogenies and developmental morphology.
www.genetics.org /cgi/content/full/169/3/1659   (7114 words)

  
 picture inflorescence flower   (Site not responding. Last check: 2007-11-07)
Erturi picture of 1964 chevy impala picture of 85 chevy picture of aveo picture of health lung picture of spankings pictures chevrolet cobalt pictures of 2002 dodge stratus pictures of a mitsubishi eclipse 98 pictures of ford escorts zx2 1997 pictures of pearl harbor today
The inflorescence is almost always terminal on erect distinctive aquatic micro-ecosystem.
During the female flowering, the top of the inflorescence was 10° warmer than air temperature.
picture-inflorescence-flower.erturi.com   (224 words)

  
 barren inflorescence2 regulates axillary meristem development in the maize inflorescence -- McSteen and Hake 128 (15): ...
Like normal inflorescences, the inflorescence apex and periphery are densely stained, but branch meristems do not bud from the axils of bract primordia as in wild type.
on the flanks of the inflorescence meristem (Fig.
As in normal inflorescences, kn1 is expressed in the inflorescence meristem and is downregulated as bract primordia (br) initiate.
dev.biologists.org /cgi/content/full/128/15/2881   (7559 words)

  
 Quantitative Trait Loci for Inflorescence Development in Arabidopsis thaliana -- Ungerer et al. 160 (3): 1133 -- ...
Summary statistics for 13 inflorescence development and morphology traits in a sample of 21 A.
Genetic correlations among inflorescence development and morphology traits in a sample of 21 A.
Colors of QTL are associated with trait subcategories as follows: fl, inflorescence developmental timing; green, basal rosette morphology; blue, inflorescence architecture; red, fitness.
www.genetics.org /cgi/content/full/160/3/1133   (5826 words)

  
 Inflorescence Types
a flat-topped or rounded inflorescence with the pedicels originating from a common point.
a dense vertically compressed inflorescence with sessile flowers on a receptacle and subtended by an involucre of phyllaries, characteristic of the Asteraceae.
a many-flowered inflorescence with an indeterminate central axis and many opposite, lateral dichasia; a mixed inflorescence, with determinate and indeterminate shoots.
www.northernontarioflora.ca /inflorescence_types.cfm   (164 words)

  
 Schmidt-Adam & Gould--Metrosideros excelsa - Inflorescence development
Abstract The development of compound inflorescences in Metrosideros excelsa over a 10-week period is described.
Vegetative and compound inflorescence buds are initially morphologically identical, with several bud scales and a spheroidal shape (stage I).
A pair of bracts and two pairs of bracteoles, subtending lateral flower buds in each cymose inflorescence, become visible at stage V. After all bracts and bracteoles have abscised, individual flower buds appear clearly separated and petals become visible (stage VI).
www.rsnz.org /publish/nzjb/2000/15.php   (169 words)

  
 Titan Arum
Said to be the largest "flower" (in sheer bulk) in the world, it is technically an "inflorescence", or a cluster of flowers.
The spadix can reach over 6 feet tall (the tallest ever recorded was over 10 feet), and when fully open the spathe can reach about 3 feet across.
The illustrations show the opened inflorescence, the leaf details, the inflorescence still in the bud stage, the small clusters of flowers, and the ovary, seeds, and stamens.
www.huntington.org /BotanicalDiv/TitanArum.htm   (620 words)

  
 TYPES OF BLOOMING SEQUENCE OF FLOWERS IN THE INFLORESCENCE OF PEAR VARIETIES
Structure of the inflorescences and the blooming sequence of flowers within the inflorescence have been studied in an assortment of pear varieties.
A divergent type of blooming was characteristic for 16% of the varieties.
There was a tight connection between the blooming sequence and the number of flowers per inflorescence as well as the occurrence or frequency of side-inflorescences.
www.actahort.org /books/475/475_29.htm   (124 words)

  
 Thomas Schoepke Plant Image Gallery - Asteraceae
Anthemis chia - Native, from Ori Thriptis, Crete, Greece (inflorescence)
Centaurea idaea - Native, from Kommitades, Crete, Greece (inflorescence)
Helichrysum conglobatum - Native, from Agios Nikolaos, Crete, Greece (inflorescence)
www.pharmakobotanik.de /gallery/galaster.htm   (4745 words)

  
 Indeterminate inflorescence. (from inflorescence) --  Encyclopædia Britannica   (Site not responding. Last check: 2007-11-07)
An indeterminate inflorescence may be a raceme, panicle, spike, catkin, corymb, umbel, spadix, or head.
"inflorescence" Encyclopædia Britannica from Encyclopædia Britannica Premium Service.
An inflorescence is categorized on the basis of the arrangement of flowers on a main axis (peduncle) and by the timing of its flowering (determinate and indeterminate).
www.britannica.com /eb/article-3515?tocId=3515   (742 words)

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