There are more species which have blue or purple markings on leaves. On Monday, May 28, 2012, Prabhu kumar KM wrote:
> > Dear all, >> > A simple field identification key for Curcuma with purple patches on leaves > Three species showing this purple patches on leaves. *C. zanthorrhiza, C. > aeruginosa *and *C. caesia.* > 1. *Curcuma zanthorrhiza*: Rhizome colour is yellow to deep yellow, patch > on both sides along the whole length of the midrib. > 2. *Curcuma aeruginosa*: Rhizome colour blue in centre (or blue rings in > the rhizome) verging towards grey, patch on the distal half on the upper > side only. > 3. *Curcuma caesia*: Rhizome colour is blue to dark blue, but densely > pubescent on the upper part of the leaf. > > >> -- >> *Prabhu Kumar K M* >> Scientist > > Plant Systematics & Genetic Resources Division > Centre for Medicinal Plants Research (CMPR) > & 'CMPR' Herbarium > Kottakkal Arya Vaidya Sala > Kottakkal, Malappuram > *E-mail: [email protected] <javascript:_e({}, 'cvml', > '[email protected]');>* > > -- ********************************************************************** "Taxonomists getting Extinct and Species Data Deficient !!" Pankaj Kumar, Ph.D. Conservation Officer Office: Orchid Conservation Section Flora Conservation Department Kadoorie Farm and Botanic Garden (KFBG) Corporation Lam Kam Road, Tai Po, New Territories, Hong Kong. Residence: 36C, Ng Tung Chai, Lam Tseun Tai Po, New Territories, Hong Kong. email: [email protected]; [email protected]; [email protected] Phone: +852 2483 7128 (office - 8:30am to 5:00pm); +852 9436 6251 (mobile). Fax: +852 2483 7194
