Benjansss Posted October 3, 2014 Report Share Posted October 3, 2014 Does any one know a simple way of telling apart myriophyllum robustum and parrots feather in the wild Quote Link to comment Share on other sites More sharing options...
SanityChelle Posted October 4, 2014 Report Share Posted October 4, 2014 The simplest way is not picking either of them. The second simplest is assuming that it's always parrot feather. Quote Link to comment Share on other sites More sharing options...
Benjansss Posted October 4, 2014 Author Report Share Posted October 4, 2014 Um not really what i was looking for does parrots feather always have a green stem thoughwell robustium has a pink or red stem?? Quote Link to comment Share on other sites More sharing options...
Caryl Posted October 4, 2014 Report Share Posted October 4, 2014 As M robustum is rare to find in the wild, and only in select places, these days bets are good you have not found some. Try using Google as there is a lot of information to find. I found this on the NZCPN site... Features Perennial aquatic herb which if in pools of water is firmly rooted to the bottom. Stems spongy, inflated up to 1.5 m long, emergent portion 300 mm tall, erect to prostrate. Submerged leaves in whorls of (4-)5-7, (15-)20-35 x (4-)6-10 mm finely divided, pectinate with 26-32 pinnae, brown, these diminishing in size toward water surface. Emergent leaves glaucous, tinged red, narrowly ovate to oblong, apex acute, otherwise similar to submerged leaves. Flowers perfect. Sepals 4, ovate to deltoid 0.6-0.8 x 0.5-0.6 mm, petals 4, weakly hooded, 2.5-4 x 1-1.5 mm. Fruits globular to slightly turbinate, 1.5-2 x 2-2.5 mm. Similar Taxa Similar to the naturalised M. aquaticum (Vell.) Verdc. From which it differs by being monoecious (males and females on the same plant), the exposed stems usually pink coloured and by the leaf tipes which are acute rather than blunted ended Quote Link to comment Share on other sites More sharing options...
Benjansss Posted October 4, 2014 Author Report Share Posted October 4, 2014 By the sound of it i think i found robustium i found it in a sand dune lake and river there was some growing just in moist sand not in the water Quote Link to comment Share on other sites More sharing options...
Caryl Posted October 4, 2014 Report Share Posted October 4, 2014 If it is indeed robustum then I suggest you leave it alone so it can get established well again in the wild. Quote Link to comment Share on other sites More sharing options...
Benjansss Posted October 4, 2014 Author Report Share Posted October 4, 2014 Thanks there are quite a few small paths Quote Link to comment Share on other sites More sharing options...
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