*Campsis* *×* *tagliabuana* (Vis.) Rehder *Syn: Tecoma* *×* *tagliabuana* Vis.
-- 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/ On Fri, Sep 2, 2011 at 12:35 PM, Gurcharan Singh <singh...@gmail.com> wrote: > Genus Campsis has been confusing me a lot for quite some time. > Traditionally two species of this genus are recognized as common garden > trumpet creepers: > > *Campsis grandiflora*: leaflets 7-9; glabrous beneath; 4-7 cm long, paler > green; calyx 5-lobed to middle; flowers orange to scarlet, corolla tube > nearly one and half times as long as calyx, limb nearly 5-6 cm across; > capsule 10-15 cm long, obtuse at apex, without beak. > > *Campsis radicans*: leaflets 9-11, pubescent beneath especially along > midreib and main veins, dark green above; calyx shortly 5-lobed, lobes less > than 1/3 the tube; flowers orange with scarlet limb, 2-3 times as long as > calyx, usually less than 4 cm across; capsule cylindric-oblong, 7-12 cm > long, keeled along sutures, beaked at apex. > > *Campsis x tagliabuana*: leaflets 7-11 (-13), glabrous beneath; calyx > parted up to middle; flowers orange to scarlet; corolla tube 2-3 times > longer than calyx, limb 5-8 cm across; sterile flowers fall off when mature, > fruits not produced. > > > I have been following the specimens of Campsis in Delhi, Kashmir, > California and other places and frankly have not been able to locate a true > sample of C. gandiflora. Most of the samples found in Kashmir and Delhi > which look like C. grandiflora do not bear fruits, flowers fall off when > mature and number of leaflets varry from 7-11 (-13). This sterile hybrid is > actually C. X tagliabuana, a hybrid between C. radicans and C. grandiflora. > Both specimens at at FOI (C. radicans as well as C. grandiflora) i think > belong to this hybrid species, which is propagated by cuttings. > > Uploading C. x tagliabuana from Kashmir, very commonly growing in gardens > and private houses. This hybrid species has a number of cultivars. This one > from Kashmir is 'Madam Galen' > > > -- > 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/ > >
