Asteraceae Fortnight Part 3-Ligulate heads (plus Misc.): Achene is the Key : sk04

Skip to first unread message

surajit koley

Jul 10, 2013, 1:59:31 PM7/10/13
to efloraofindia
Well, no picture here, only key, in "Bengal Plants".

  • achenes beaked and also contracted at the base.... fusiform or oblong ----- Crepis
  • achenes beaked and also contracted at the base.... compressed or flattened ------ Lactuca
  • achenes not beaked; narrowed at base, truncate at apex; oblong with 4-5 rugose ribs ------ Picridium
  • achenes not beaked; narrowed at base, truncate at apex; compressed, many ribbed ------ Sonchus
  • achenes truncate at base as well as apex ------- Launaea
A few links (based on "Bengal Plants") -
  1. Pappus hairs feathery = Picris =
  2. Crepis acaulis Hook.f. = and
  3. Lactuca sativa L. = a cabbage like herb =
  4. L. polycephala Benth. = (fig2) and
  5. Picridium tingitanum Desf. =
  6. Sonchus =
  7. Lauanea aspleniifolia Hook. f. = ???
  8. Lauanea nudicaulis Less. = Prenanthes procumbens Roxb. =
  9. Lauanea pinnatifida Cass. = and
Thank you

Satish Phadke

Jul 11, 2013, 6:28:18 AM7/11/13
to surajit koley, efloraofindia
Thanks for the efforts Surajit ji
We have received very few pictures of Achenes. Why can't we have some good pictures of achenes showing at least some characters clearly? I request all members to post some close-ups of achenes.....

Dr Satish Phadke

You received this message because you are subscribed to the Google Groups "efloraofindia" group.
To unsubscribe from this group and stop receiving emails from it, send an email to
To post to this group, send email to
Visit this group at
For more options, visit

surajit koley

Jul 11, 2013, 11:44:28 AM7/11/13
to Satish Phadke, efloraofindia
Satish Sir

The key on achenes must have modified lately. e.g. Crepis acaulis is now Launaea acaulis. Latest (?) key can be found in FoC -

Thank you
Reply all
Reply to author
0 new messages