in concentric circles, researchers said
Revealed: the mother (and father) of all flowers
A schematic representation of how all living flowers ultimately derive from a single ancestor
Paris - Arab Today
The first flower to appear along the path of plant evolution, during the time of the dinosaurs, was a hermaphrodite with petal-like organs arranged in concentric circles, researchers said on Monday.
The bloom had both male and female reproductive organs at the centre, surrounded by multiple layers or “whorls” of petal-like parts called tepals, arranged in sets of three per layer, they wrote in the journal Nature Communications.
The reconstruction, based on the largest dataset of flower traits ever assembled — from 792 existing species — challenges scientific assumptions that the ancestral flower would have had its sex organs and “petals” arranged in a spiral.
Most flowers today have four “whorls” — the outer leaves or sepals, followed by the petals, which enclose the male organs called stamens, with the female organs or carpels at the centre.
Source: AFP
- Thursday ,06 December GMT 08:43 2018 A total of 130 schools in Syria's Aleppo were restored and opened after war
- Tuesday ,20 November GMT 10:29 2018 European Union allocates 100 mln euros for Lebanese education sector
- Monday ,19 November GMT 08:36 2018 Norilsk Nickel begins educational project for children about Russian North
- Monday ,29 October GMT 12:51 2018 Israeli, Finnish scientists win 1 mln USD for innovation in alternative fuels
- Tuesday ,23 October GMT 18:22 2018 Government delegation visits eastern region to inaugurate server pivotal projects
- Tuesday ,16 October GMT 16:23 2018 Biggest e-learning platform in the Arab world launched in the United Arab Emirates
- Tuesday ,02 October GMT 16:48 2018 Nobel Physics Prize awarded to trio of scientists from US, France, Canada
- Monday ,24 September GMT 16:29 2018 Japan funds project for construction of additional school classrooms in West Bank village
GMT 08:43 2018 Thursday ,06 December
A total of 130 schools in Syria's Aleppo were restored and opened after warGMT 10:29 2018 Tuesday ,20 November
European Union allocates 100 mln euros for Lebanese education sectorGMT 08:36 2018 Monday ,19 November
Norilsk Nickel begins educational project for children about Russian NorthGMT 12:51 2018 Monday ,29 October
Israeli, Finnish scientists win 1 mln USD for innovation in alternative fuelsGMT 18:22 2018 Tuesday ,23 October
Government delegation visits eastern region to inaugurate server pivotal projectsGMT 16:23 2018 Tuesday ,16 October
Biggest e-learning platform in the Arab world launched in the United Arab EmiratesGMT 16:48 2018 Tuesday ,02 October
Nobel Physics Prize awarded to trio of scientists from US, France, CanadaGMT 16:29 2018 Monday ,24 September
Japan funds project for construction of additional school classrooms in West Bank village
Economic conference on investment opportunities in Syria kicks off
Bucharest - SANA
With the participation of 120 representatives of Romanian companies, Chambers of Commerce and industry, An economic conference on “Reconstruction in Syria between the development of economic steadfastness and the opportunities ofRussia tests new telemetry system during manned Soyuz MS-11 spacecraft’s launch
Moscow - TASS
The Astra-06 apparatus developed by specialists of Russian Space Systems (RSS) was used for the first time as additional telemetric equipment aboard the manned Soyuz MS-11 spacecraft launched from the Baikonur CosmodromeLiverpool, Manchester City seek neighbours' help in title chase
London - DPA
Liverpool and Manchester City will be looking for a little help from their not-so-friendly neighbours this weekend. The Premier League front-runners face each other's local rivals when City host Everton and Liverpool take on Manchester United. Liverpool jumped above City at theBlue light in smartphones linked to blindness and some cancers
Spain - DPA
Ever since we have started to become chained to our smartphones and tablets, people have been saying that the waves coming off these devices must be bad for us. So often laughed off as conspiracy theorists, it now looks more and moreFestive Fashion by Dubai-based designer ASMARAÏA
Dubai - Arab Today
Dubai-based label ASMARAÏA just launched its pre-fall 2019 collection — and it’s all about cruelty-free, sustainable fashion with a festive edge. Checkmate The 15-piece collection features this checkered skirt-and-jacket ensemble that is giving us major “Clueless” vibes. Gold Rush ‘Tis the season to sparkle and this dazzling, floor-length gold skirt will do the trick. Take note of the chic black bow detail at the waist — it’s the ultimate party look. Feathered fashion The brand works with environmentally-friendly materials such as organic cotton, recycled polyester and faux fur, so you can be sure this feathered look doesn’t come at the cost of an animal’s life. Jewel Tones If you want to glisten like a polished jewel at your next festive function, this emerald-colored skirt is the perfect choice with its sequin details and shimmery overlay. Golden Girl Leopard print
GMT 08:25 2018 Wednesday ,12 December
Australian government discusses moving Israel embassy to Jerusalem
GMT 09:32 2018 Wednesday ,12 December
Huawei CFO gets bail; China detains ex-Canadian diplomat
GMT 14:00 2018 Tuesday ,11 December
Russia tests new telemetry system during manned Soyuz MS-11 spacecraft’s launch
GMT 08:09 2018 Monday ,10 December
Lebanon’s property market ‘on the brink of collapse’
GMT 12:06 2018 Thursday ,13 December
Blue light in smartphones linked to blindness and some cancers
GMT 09:02 2018 Friday ,21 September
Economy of Georgia demonstrates "strong signs of recovery"
GMT 15:08 2015 Wednesday ,27 May
South Korea refers North Korea to UN sanctions panel over SLBM
GMT 09:03 2018 Wednesday ,24 January
German investor confidence surges in January
GMT 14:02 2018 Sunday ,02 December
RDIF says $2 billion will be invested in Russian economy from joint Russian-Saudi fund
GMT 18:36 2016 Sunday ,20 November
Palestinian Foreign Ministry calls for protecting academic facilities
GMT 11:33 2018 Tuesday ,11 December
Top EU court backs legality of ECB bond buying
GMT 20:32 2018 Friday ,30 November
Turkey hails China's 1st import expo, gets ready for next session
GMT 17:15 2018 Monday ,26 November
Sukhoi Civil Aircraft plans to supply fifteen SSJ100 jets to Adria Airways
GMT 15:25 2017 Thursday ,28 December
US home values soar in 2017, renters shell out record
GMT 09:16 2017 Thursday ,09 February
Some useful tips about How to clean and maintain your outdoor furniture!
GMT 05:38 2014 Tuesday ,27 May
Feng Shui decorating tips
GMT 18:39 2018 Monday ,22 October
Al-Bashir Received Condolence Cable from Sultan Qaboos
GMT 16:53 2018 Wednesday ,17 October
"Putin" We need for collective restoration of Syria's economy
GMT 12:03 2018 Monday ,22 January
Mongolia – Vast wilderness and rugged adventure
GMT 09:28 2018 Sunday ,14 January
launches Holographic Content collection
GMT 19:27 2017 Sunday ,31 December
June 21 - July 21
GMT 04:54 2017 Tuesday ,04 July
Abu Dhabi airport sees slower passenger growth in 2017
GMT 18:50 2017 Tuesday ,10 October
Spain, EU warn Catalan leader ahead of independence showdown
GMT 14:10 2017 Thursday ,12 January
War and elections in the DRC
GMT 20:15 2017 Monday ,24 April
Tunisian Minister confident of his country's future
GMT 22:10 2017 Wednesday ,22 February
Roads will be free of traffic jam, accidents soon
GMT 18:29 2018 Tuesday ,23 October
More displaced families return to their homes via Abu al-Dohor corridor
GMT 04:31 2018 Monday ,24 September
Works minister Essam bin Abdulla meets school project team
Maintained and developed by Arabs Today Group SAL.
All rights reserved to Arab Today Media Group 2025 ©
Maintained and developed by Arabs Today Group SAL.
All rights reserved to Arab Today Media Group 2025 ©
Send your comments
Your comment as a visitor