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Topic: Hypanthium


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  hypanthium - Search Results - MSN Encarta
A hypanthium is a floral structure consisting of the bases of the sepals, petals, and stamens fused together.
hypanthium - definition of hypanthium by the Free Online Dictionary...
hypanthium definition, words related to hypanthium, proper usage and pronunciation of the word hypanthium from YourDictionary.com.
encarta.msn.com /hypanthium.html   (85 words)

  
  Unknown #44   (Site not responding. Last check: )
This family is characterized by 4 petals, 4 sepals and 8 stamens attached to the rim of an hypanthum at the summit of an inferior (epigynous) ovary.
Hypanthium: A cup-shaped structure surrounding the ovary and formed by a fusion of the bases of the perianth segments (petals and sepals).
The hypanthium may be fused to the ovary wall or attached to the top of the ovary.
waynesword.palomar.edu /unknowns/unknow44.htm   (310 words)

  
 Myrtaceae [Draft]   (Site not responding. Last check: )
Hypanthium campanulate, 5--6 X 4--5 mm; stipe 3--5 mm, 2-ridged; calyptra awl-shaped, 6--7 mm, apex acuminate to acute.
Hypanthium hemispherical, cylindrical, or campanulate, 2--3 mm; stipe 0--3 mm; calyptra shortly pyramidal awl-shaped, shorter or as long as hypanthium, apex acuminate.
Hypanthium obconical to campanulate, 4--6 mm; stipe 2--8 mm; calyptra awl-shaped, as long as hypanthium, apex slightly acute.
hua.huh.harvard.edu /china/mss/volume13/Myrtaceae-CAS_reviewing.htm   (7913 words)

  
 [No title]
Hypanthium well-developed, free or adnate to the ovary.
Hypanthium campanulate, 1.2 to 1.7 mm long, glabrous; sepals oblong to triangular, 0.6 to 1.2 mm long, glabrous, margins often toothed, persistent in fruit; petals white, 2.5 to 4 mm long, suborbicular with a narrow claw; stamens (10)15 to 20.
Hypanthium obconic, 2.5 to 3 mm long, pubescent or rarely subglabrous; sepals ovate or triangular, 1.2 to 1.7 mm long, acute to obtuse, slightly glandular-toothed to entire, pubescent on both surfaces; petals white, 5 to 6.5 mm long and 4 to 5 mm broad, obovate, with a short claw; stamens usually 20.
csdl.tamu.edu /~sangita/1ROSID.htm   (15242 words)

  
 Apple, Pear, Quince, Loquat, Peach, Cherry, Jujube, Olive & Avocado Fruit Photos
In the pome, a thick, fleshy hypanthium layer (also called the floral cup or calyx tube) surrounds (and is fused with) the seed-bearing ovary or core.
The sepals, petals and stamens arise from the rim of the hypanthium.
In apples and pears, the thick, fleshy hypanthium is fused with the inner, seed-bearing core, and the fruit is termed a pome.
waynesword.palomar.edu /ecoph17.htm   (3010 words)

  
 [No title]
Sepals valvate on the rim of the hypanthium.
Calyx lobes 4, on the outer layer of the hypanthium, erect to recurved.
Petals 4, borne on the inner layer of the hypanthium, free, asymmetrical with the right side larger than the left, short-clawed, commonly tipped with a bristly extension of the midvein, ascending to spreading, fugacious, rose to purple or in some white or yellow.
www.csdl.tamu.edu /~sangita/2ROSIDAE.htm.out   (14729 words)

  
 Botany - Rose Flower Structure   (Site not responding. Last check: )
However, in roses, there is a bowl-shaped hypanthium (hi-panth-ee-um), which is a combination of the receptacle and the bases of the sepals, petals, and stamens, all fused together into a single unit.
Attached to the hypanthium are four groups (whorls) of parts.
The pistils are attached inside the hypanthium, to its floor and inner walls.
www.ars.org /About_Roses/bot-flower_structure.htm   (655 words)

  
 Rosaceae Summary
The flowers of Rosaceae are distinctive because of the presence of a hypanthium, a cup-shaped structure forming the base of the flower.
The sepals, petals, and stamens are attached to the edge of the hypanthium, while the pistil or pistils (which develop into the fruit or fruits) sit in the bottom of it.
Strawberry) is the hypanthium or the stalk bearing the carpels.
www.bookrags.com /Rosaceae   (835 words)

  
 Section B. General Characters and Character States: Position and Arrangement
The condition in which the sepals, petals, stamens are attached to the floral tube or hypanthium surrounding the ovary; a combination perigyny and partly inferior ovary.
The condition in which the sepals, petals, stamens are attached to the floral or hypanthium cup above the ovary with the lower part of the hypanthium completely adnate to the ovary.
The condition in which the sepals, petals, stamens are attached to the floral tube or hypanthium surrounding the ovary with the tube or hypanthium free from the ovary.
www.ibiblio.org /botnet/glossary/b_i.html   (1636 words)

  
 Malus angustifolia page
Stamens +/-20, well exserted, erect, borne at the apex of the hypanthium.
Styles 5, borne at the base of the hypanthium, +/-1.3cm long, densely pilose in the basal 1/3, glabrous above, slightly expanded below the stigmas, translucent-white.
Hypanthium green, glabrous internally and externally, 3-4mm long, campanulate to cupulate, +2mm in diameter.
www.missouriplants.com /Pinkalt/Malus_angustifolia_page.html   (315 words)

  
 MCMAHON, MICHELLE* AND LARRY HUFFORD.   (Site not responding. Last check: )
In Dalea and Marina, distal to the hypanthium, there is a calyx tube and a separate region of synorganized stamens and petals.
Psorothamnus is a genus previously described as having petals inserted on the hypanthium rim.
Petal loss further complicates the interpretation of the hypanthium region in the genera Amorpha and Parryella, genera previously grouped with Psorothamnus as not having synorganized petals and stamens.
www.ou.edu /cas/botany-micro/bsa-abst/section2/abstracts/38.shtml   (302 words)

  
 NPWRC :: Species Abstracts of Highly Disruptive Exotic Plants
Stamens are numerous and attached to the rim of the hypanthium.
The achenes are enclosed in a smooth reddish hypanthium (6.8-8.5 mm long and 6-8 mm wide).
The fruits are enclosed in a fleshy hypanthium that provides food for numerous species of birds.
www.npwrc.usgs.gov /resource/plants/exoticab/effirosa.htm   (1485 words)

  
 Botany - The Rose Family   (Site not responding. Last check: )
Members of the family usually have stipules (the pair of green flaps at the base of the leaf), often have thorns or prickles, and their flowers tend to have their parts in multiples of 5, with large numbers (more than 12) of stamens.
Flowers of most members of the family have a hypanthium, which is a bowl- or cup-shaped structure, made up of the bases of the sepals, petals, stamens, and part of the receptacle (the end of the stem to which the flower is attached), all fused together.
Most of what you eat is actually swollen hypanthium, and the core that gets thrown away is the true fruit (derived from the ovary of the flower).
www.ars.org /About_Roses/bot-rose_family.htm   (1206 words)

  
 Garden Botany
Hypanthium: The cup formed from the receptacle and/or perianth that has fused with the androecium.
Perigynous: The perianth (sepals and petals) and androecium (male parts) are fused at the base so that the sepals, petals, and stamens appear to arise from the rim of a floral cup (the hypanthium).
This condition is frequently found in plants of the rose family (Rosaceae).
www.bbg.org /gar2/topics/botany/parts_flowers.html   (1210 words)

  
 Subclass Rosidae
Fabaceae (Leguminosae) - Bean, pea; trees, shrubs, or herbs; leaves pinnately or palmately compound or simple; flowers papilionaceous and distinctly irregular; corolla of 5 petals forming a banner (or standard), 2 wings, and a keel; stamens 10 (all free, 9 fused and 1 free, or all 10 fused); pistil of 1 carpel; fruit a legume.
Onagraceae - Evening primrose; herbs; flowers 4-merous, rarely 2-merous; hypanthium present, and on its rim are inserted sepals, petals, and stamens; ovary inferior.
Viscaceae - Mistletoe; parasitic shrubs of tree branches; leaves usually opposite, leathery, veins parallel; flowers small, perfect or imperfect; perianth of 2-4 tepals, inserted on a cup-shaped receptacle; stamens as many as perianth segments; ovary inferior; ovules seemingly absent; fruit a drupe or berry, with a viscous layer within the vascular bundles.
www.colby.edu /info.tech/BI211/Ros.html   (327 words)

  
 Botany Glossary "H"
The hypanthium is found only in dicots and is a fusion of the calyx, corolla, and androecium whorls forming a small cup-shaped structure that surrounds the ovary.
The base of the hypanthium is typically attached to the receptacle as is the case with the members of the rose family (Rosaceae) and is therefore said to by hypogynous.
The hypanthium can also be epigynous, that is, attached to the top of the ovary, as is the case with the fuschia flower.
www.puc.edu /Faculty/Gilbert_Muth/botglosh.htm   (330 words)

  
 Floral development in Schotia and Cynometra (Leguminosae: Caesalpinioideae: Detarieae) -- Tucker 88 (7): 1164 -- ...
It is adaxially attached to the cup-shaped hypanthium
the rim of the hypanthium and are long-exserted at maturity
are attached to the stamen filament tube on the rim of the hypanthium
www.amjbot.org /cgi/content/full/88/7/1164   (6629 words)

  
 lab7
A flower is perigynous if the perianth and stamens are fused at the base to form a hypanthium, or cup-like structure that surrounds the ovary, but is free from it.
The hypanthium may also be formed from the tissue of the receptacle.
A flower is epigynous if the hypanthium is fused to the ovary with the result that the sepals, petals, and stamens appear to be inserted in the top of the ovary.
lifesciences.asu.edu /plb306/lab7.html   (1375 words)

  
 Acaena genus
Barbed spines on the hypanthium elongate after fertilization.
Consists of 1 (rarely 2) elliptic achene surrounded by a dry, hardened, unangled hypanthium.
Pale biddy-biddy is very similar to biddy-biddy, but has leaflets 1-3 cm long with a shiny, slightly wrinkled appearance, fruit spines 10-20 mm long, and hypanthium bodies in fruit 4-6 mm long, often with stunted prickles on the sides.
www.cdfa.ca.gov /phpps/ipc/weedinfo/acaena.htm   (986 words)

  
 Rosaceae (Rose family)
Coleogyne, simple or compound, often armed with prickles, usually with stipules, often borne in clusters of short side branchlets (spurs) in shrubs.
The unifying feature of the Rose family is the actinomorphic, perfect flower with prominent cup-like hypanthium, and many exserted stamens.
The fruit morphology is very diverse from rose hips (swollen hypanthium surrounding numerous achenes), to strawberries (enlarged fleshy receptacle covered with achenes) to flberries (aggregate fruit with an elongate receptacle bearing numerous drupelets) to the inferior ovary of the apple’s pome, and the almond’s drupe.
www.unlv.edu /Faculty/landau/rosaceae.htm   (243 words)

  
 Developmental morphology and structural homology of corolla-androecium synorganization in the tribe Amorpheae ...
fused stamens and free petals inserted on the hypanthium, as
One wing petal and two stamens are inserted at the level of calyx insertion, i.e., on the rim of a hypanthium.
hypanthium is very short, and the stemonozone is extensive (Fig.
www.amjbot.org /cgi/content/full/89/12/1884   (7936 words)

  
 Oregon Department of Agriculture Plant Division Noxious Weed List   (Site not responding. Last check: )
Flowers have a hypanthium (flower tube) 2-5 mm long and lack petals.
Fruits and seeds consist of 1 elliptic achene surrounded by a dry, hardened, unangled hypanthium.
Hypanthium body obconical, 2.5-4 mm long, covered with hairs, and with 4 spines 10-15 mm long extending from the slightly contracted top.
www.oregon.gov /ODA/PLANT/weed_alert_biddybiddy.shtml   (446 words)

  
 Rose Flowers
Even more profoundly different from our Standard Blossom is the fact that the ovaries are positioned on the side of a cuplike structure known as the hypanthium.
The upper rim of the hypanthium more or less closes over the ovaries inside it, leaving only a hole large enough for the styles to pass through.
Atop the hypanthium there's a circular disk from which many stamens arise.
www.backyardnature.net /fl_roses.htm   (406 words)

  
 [No title]
Calyx hypanthium 5-winged or 10-costate; bracteoles at or below middle of pedicel; floral pubescence when present of eglandular hairs.
Leaves ovate-elliptic, < 9 cm broad, the apex obtuse to acuminate; calyx hypanthium essentially terete to conspicuously 10-costate, the lobes 2--7 mm long; corolla terete not winged.
Corolla 27--38 mm long; calyx hypanthium cylindric, terete to inconspicuously 10-costate; rachis 0.9--4 cm long, with the pedicel and calyx rather thin and delicate in appearance; inflorescence 3--8-flowered; floral bracts ca 2--3 mm long, persistent after anthesis; 450--1000 m altitude; south of Baeza (Napo Prov.)
www.nybg.org /bsci/res/lut1/cera.html   (1088 words)

  
 Angiosperm Families - Penaeaceae Guillemin
Perianth sepaline (but the hypanthium and calyx often coloured like a corolla); 4; 1 whorled; sepaloid, or petaloid.
Calyx 4; 1 whorled; polysepalous (as lobes on the hypanthium); regular; persistent (with the hypanthium); valvate.
Androecial members free of the perianth (attached to the hypanthium); free of one another; 1 whorled.
delta-intkey.com /angio/www/penaeace.htm   (283 words)

  
 Laurales
The large flowers have a bract-covered hypanthium; the inner members of the perianth secrete nectar or bear food bodies.
The achenial fruits are attached to the inside of the rather dry hypanthium.
In fruit, the well-developed fleshy hypanthium and/or receptacle is conspicuous; this may enclose the drupelets and it then splits irregularly.
www.mobot.org /MOBOT/Research/APWeb/orders/Lauralesweb.htm   (3020 words)

  
 Rosales
Their flowers have a valvate calyx, always free and often clearly clawed petals, usually many stamens, a well-developed nectary on the hypanthium or at the base of the stamens, and free carpels.
Their flowers have stamens opposite the often clawed petals, a hypanthium with a nectary inside, and a valvate calyx that is ridged down the middle on the inner surface.
Elaeagnaceae are often thorny and mostly deciduous shrubs that are recognisable by their spiral to opposite exstipulate leaves with entire margins; the plant is densely covered with lepidote indumentum, which often gives it a greyish or silvery appearance.
www.mobot.org /MOBOT/Research/APweb/orders/rosalesweb.htm   (5212 words)

  
 Botany 307F - Families of Vascular Plants - Reproductive characters
Because of the way in which epigynous flowers develop, an inferior ovary may be referred to as a hypanthial ovary, referring to the hypanthium illustrated below.
beneath the insertion of the perianth and androecium members, the resulting tube is called a "floral tube" or hypanthium.
As illustrated at the right, hypanthia may be associated with either superior or inferior ovaries; in the former case the flower may be described as perigynous.
www.botany.utoronto.ca /courses/BOT307/B_How/307b1rep.html   (689 words)

  
 Digital Flowers
In roses (the genus Rosa, Rosaceae), the flowers (left) have a large hypanthium that encloses the many distinct carpels.
The sepals, petals, and stamens arise from around the top of the hypanthium, while the styles and stigmas protrude through the opening in the hypanthium.
Each carpel matures (right) into an achene, and the achenes are enclosed by the red, fleshy hypanthium.
www.life.uiuc.edu /help/digitalflowers/Fruits/24.htm   (114 words)

  
 ROSIDAE
The flowers tend to be actinimorphic, the perianth 5-merous and differentiated into calyx and corolla.
Many members of the order are monocarpous or apocarpous, and there is a trend towards elaboration of a hypanthium, resulting in perigyny and epigyny.
Some herbaceous members of subfamily Rosoideae in which the hypanthium is not well developed bear a striking resemblance to some Ranunculaceae (e.g.
www.bsu.edu /classes/badger/BOT440/lectures/families/rosidae.htm   (711 words)

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