Very beautiful pictures... Regards
Vijayasankar Raman National Center for Natural Products Research University of Mississippi On Fri, Nov 11, 2011 at 10:39 AM, Gurcharan Singh <[email protected]>wrote: > *Robinia pseudo-acacia* Linn., Sp.Pl. 722. 1753 > > Common names: Black locust, false acacia > > Deciduous tree sometimes with spiny branches; Leaves imparipinnate with > 9-19 elliptic-oval entire leaflets; flowers white, 1.5 cm long on axillary > up to 20 cm long racemes; pods 8-10 cm long, flat, finally chocolate brown. > > Commonly planted in Kashmir as avenue tree, Photographed from > Shankeracharya hill > Cultivar 'Purple Robe' with purple flowers photographed from California > > Deciduous tree, young branches glabrescent. Leaf c. 10-15 cm long, > imparipinnately compound, leaflets 9-19, c. 2.0-5.5 cm long, elliptic to > oval, entire, glabrescent above, puberulous at the nerves below; petiolule > c. 2.5 mm long; stipels c. 1-1.5 mm long; stipules spinescent, up to 2 cm > long. Inflorescence an axillary raceme, up to 20 cm long. Pedicel up to 3.8 > cm long. Bract and bracteoles small, caducous. Calyx c. 5 mm long, > puberulous; teeth shorter than the tube. Vexillum c. 1.5 cm long. Wing and > keel subequal. Stamens 10, more or less monadelphous, anthers uniform. > Ovary stipitate, style hairy and with a ring of hairs below the stigma. > Fruit 10 cm or less long, c. 1.5-1.8 cm broad, glabrous. > > -- > Dr. Gurcharan Singh > Retired Associate Professor > SGTB Khalsa College, University of Delhi, Delhi-110007 > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > Phone: 011-25518297 Mob: 9810359089 > http://people.du.ac.in/~singhg45/ > >
