Gerbera species/ hybrids

Gerbera species/ hybrids;
 
 
 
 

efloraofindia:''Id 05112011MR3’’ diffferentiate Gerbera,Asters and Zinias Pune: help requested to understand and identify Gerbera, Asters and Zinias. I get very confused between the three.

Can Gerbera be called bulbous plant: Gerbera is classified as bulbous plant in most gardening books although it does not produce bulbs/tubers/corms/rhizomes and is usually propagated by division of plants. Why is it called so ?
Gerbera can't be called a bulbous plant because it is not grown from a bulb.
The plants produce root suckers which is divided to grow a new plant. But it looks like a bulbous plant as all the leaves and flowers emerges from the suckers. Looking for info from experts
 
https://08511630493324166816.googlegroups.com/attach/466756cc7800b188/Gerbera%204.jpg?part=0.1&view=1&vt=ANaJVrHMvubG98LuDYEifsb5ihZx7IFfTbnMshxSUjF-ngqRCKB81V_pIf__g0TcCRfn_-aoPZs2PygQdB1--KJbNWRiDHoiw1OK4zv8XClnx_6vTZfuGhw

Asteraceae Fortnight Part-1: Gerbera heads (NSJ-07 04:05:2013) : Attachments (1). 1 post by 1 author. 
Gerbera flowers
 
 
https://08511630493324166816.googlegroups.com/attach/d80a771d39bc12fb/DSC05744.JPG?part=0.2&view=1&vt=ANaJVrHBxlSXmdVEykBluhal1A5ZmmRDWpoSESWYGuLt9A69os_t4sYN1NdOZxmAT1iWAVyCsyWML8CGsqwyPIkqT8tkrbCU4XJ0Gaj2A_SW20D3VdDHIpA
https://08511630493324166816.googlegroups.com/attach/d80a771d39bc12fb/DSC05743.JPG?part=0.1&view=1&vt=ANaJVrGN9VU3bPnBFxZzugoR-Sqyz9az4CcXRbRG8liPURBcBeZzCjx8gdowDuvo_-5fwtVAmqTkVFKLUOYyMkTtuiP75TLRQQ_oMMDNry08asN2zkS4Da0
Attachments (2). 4 posts by 3 authors.
I had photographed this herb long back at Nagpur.
Date/Time: 20th April, 2008.
To me this looks like some Gerbera...
Yes Gerbera sp.
 
https://08511630493324166816.googlegroups.com/attach/98a3740c6bdba414/DSCN4539.jpg?part=0.2&view=1&vt=ANaJVrHipLeujkexyffCEW7XsaCxpXZo2s_Q0PegRLg0mZjoJRwAlarFX5hpHV6AIwQqrmIohAK-80AO_FzeJXKtImxWvBTPOv6OyL6WKWPu_UPcDvZGLR8
https://08511630493324166816.googlegroups.com/attach/98a3740c6bdba414/DSCN4537.jpg?part=0.1&view=1&vt=ANaJVrEa25jxLCculD9rKSb4Z2kGWWcKELSuzPMKT4279jlIc4QMJWHKWKLDeIFEWCq-oqU28S_8IlZVtMYp-V6oy_tK32oh_dPMi4vUuoNYJkF8Hzx1KnY

ASTERACEAE Fortnight Part 3-Ligulate Heads: Sonchus Sp (NSJ-07) : Attachments (2). 2 posts by 2 authors.  
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Sonchus Sp Pl validate.
Should be Gerbera sp. not Sonchus...