Thank you, nice to remember these differences, but what confuses me more is the vast numbers of cultivars that I see in India and in American southwest and in Florida.
Usha di On Mon, Jan 7, 2013 at 2:19 AM, Gurcharan Singh <[email protected]> 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. > > 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. > > *I would be extremely happy if any member is able to find and can upload > a true specimen of C. grandiflora (7-9 leaflets, leaflets glabrous beneath, > calyx divided up to middle, corolla tube 1 1/2 times as long as calyx, more > important it produces fruits which are 10-15 cm long and without beak at > tip)* > * > * > > -- > 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/ > > -- > > > > -- Usha di =========== --
