Most of the Brassicaceae sp. look so similar, really difficult to arrive at ID in absence of key characters. Now i understand why Gurcharan Singh ji always insists for the photographs of leaves and other key characters.
Thanks for showing us so many similar looking yet altogether different plants.. Regards Prashant On Wed, Nov 7, 2012 at 11:17 AM, Gurcharan Singh <[email protected]> wrote: > > *Barbaraea vulgaris* Aiton, Hort. Kew. ed. 2. 4:109. 1812 > Syn: *Barbaraea* *vulgaris* var. *taurica* Hook. f. & T. And.; *Barbaraea > * *arcuata* (Opiz ex Presl) Reichenb. > > Common names: Yellow rocket, wintercress, bittercress > > Very easily identified from B. intermedia by uppermost cauline leaves > being undivided, sessile, amplexicaule at base, irregularly toothed and > slightly upcurved siliqua, and basal leaves with much larger cordate > terminal lobe. > Erect glabrous herbs up to 80 cm tall with angled branched stem; basal > leaves petiolate with up to 8 cm long petiole, with large ovate to > orbicular and cordate terminal lobe and 1-3 pairs of very small lateral > lobes; upper cauline leaves ovate to suborbicular, amplexicaul, irregularly > dentate; flowers yellow, in condensed raceme, elongating in fruit; bracts > absent; pedicel up to 7 mm in fruit; sepals yellow, oblong 3-4 mm long; > petals spatulate, yellow, 5-6 mm long; siliqua linear, 15-28 mm long, less > than 1.5 mm broad, slightly upcurved terminating in slender 2-3 mm long > style. > > Photographed from Gulmarg and Pahalgam in Kashmir in My, 2012. > > > -- > 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://www.gurcharanfamily.com/ > http://people.du.ac.in/~singhg45/ > > -- > > > > --
