random Posted March 8, 2011 Share Posted March 8, 2011 How does one tell the difference between Plectranthus cremnus and Plectranthus graveolens ? In the google images i've seen, they both kinda look the same. Quote Link to comment Share on other sites More sharing options...
ferret Posted March 8, 2011 Share Posted March 8, 2011 http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=gn&name=Plectranthus7 Margins of leaves with 10–23 pairs of teeth; lamina always densely hairy 88 Hairs of branches of 2 types, always with gland-tipped more or less spreading hairs, and usually with spreading multicelled hairs = Plectranthus graveolensor7* Margins of leaves with 4–9 pairs of teeth, if 10–12 pairs of teeth then leaves sparsely hairy 99 Branches moderately to densely covered with long, more or less spreading multicelled hairs and glands absent = Plectranthus cremnuscrenmus: lamina 35–40 mm long, 45–50 mm widegraveolens: lamina usually 45–105 mm long, 35–75 mm wide Quote Link to comment Share on other sites More sharing options...
random Posted March 8, 2011 Author Share Posted March 8, 2011 Thankyou so much, really appreciate that. Now to decipher and compare my plants. Cheers! Quote Link to comment Share on other sites More sharing options...
tarenna Posted March 8, 2011 Share Posted March 8, 2011 I know both of them in the wild - they are noticeably different, cremnus is more densely hairy, although this can vary according to proximity to the ocean. Quote Link to comment Share on other sites More sharing options...
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