Jensen hybrid
Yucca 'Karlsruhensis type 2' x rostrata

X
Yucca 'Karlsruhensis type 2' X rostrata

This is the first successful pollination, that were made with Yucca rostrata as the pollen parent. The seed parent were Yucca 'Karlsruhensis type 2' , and the pollen parent a Yucca rostrata growing in the garden of Ruud Wouterson, The Netherlands.

Of this cross did I get two seed pods.
#2083 Yucca 'Karlsruhensis type 2' x rostrata.
#2084 Yucca 'Karlsruhensis type 2' x rostrata.
 

Short description of this new hybrid:
Plant: It is not known if this hybrid will be acaulescent or aborescent. The first specimen is in bloom at the time of writing, so it will be interesting to see if the rosette die, and new rosettes were formed from the base of the stem, or if there will grow a new rosette inside the excisting rosette which is in bloom.
Leaves: flexible and spreading, 55 - 70 cm long., up to 20 mm wide, glaucous, with a very sharp margin of the leaves.
Inflorescence: glabrous, 155 cm high, paniculate with branches held in an upright position 15 to 42 cm long Each branch have lots of flowers.
Scape: 90 cm starting at about 65 cm above the base, just from between the leaves.
Flowers: pendulous (bell shaped), creme-greenish-white, 6 to 7 cm long. Outer tepals 25 mm wide and 60 mm long. Inner tepals greenish white 30 mm wide and 65 mm long. Stamens: 30 mm long. Ovarium pale greenish-white 20 mm long and 6 mm in circumfence. Stigma lobe creame-white, 20 mm long and 4 mm in circumfence at the opening. Taste of the flowers only a little bitter and somewhat the taste of green peas. Scent pleasant, and not very strong..
Fruit: ??? mm long, ??? mm thick, very much like those of Yucca rostrata

The hybrid is not yet propageted, but will be so in the future, probably in tissue culture.

The seeds from this cross were sown in 2009, and the first specimen bloomed in August 2015, se photos further below..



Photos:
 
Sown March 23rd. 2009.
Photo from July 22nd.2009.
Copyright 2009 Elena Y. G. Jensen
Sown March 23rd. 2009.
Photo from July 22nd.2009.
Copyright 2009 Elena Y. G. Jensen
Sown March 23rd. 2009.
Photo from July 22nd.2009.
Copyright 2009 Elena Y. G. Jensen
Sown March 23rd. 2009.
Photo from July 22nd.2009.
Copyright 2009 Elena Y. G. Jensen
- - - -
Specimen # 2083A: 
Sown 2009-03-23 a "rootday", Transplanted first time 2009-06-09 a "flowerday". 
Planted in planted inside an unheated greenhouse in May 2010.
It's grown to be a very nice specimen, with good growth and a very beautiful blue leaf color.
'
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from July st.2010.
Copyright 2010 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from July 21th. 2010.
Copyright 2010 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from September 5th. 2010.
Copyright 2010 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from May 24th. 2011.
Copyright 2011 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from July 6th. 2011.
Copyright 2011 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from August 13th. 2011.
Copyright 2011 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from August 12th. 2013.
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from 
Copyright 2013 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from August 20th. 2015
Copyright 2015 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from August 20th. 2015
Copyright 2015 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from August 20th. 2015
Copyright 2015 Elena Y. G. & Benny M. Jensen
2083A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from August 20th. 2015
Copyright 2015 Elena Y. G. & Benny M. Jensen
- - - -
Specimen # 2083B: 
Sown 2009-03-23 a "rootday", Transplanted first time 2009-06-09 a "flowerday". 
Planted ouside in a bed up of a free standing wall in 2010.
The first 2 winters it did die back, but it did well in the winter of 2012-13. Have a very beautiful blue leaf color.
2083B Yucca 'Karlsruhensis type 2' x rostrata.
Photo from July August 6th. 2010.
Copyright 2010 Elena Y. G. & Benny M. Jensen
2083B Yucca 'Karlsruhensis type 2' x rostrata.
Photo from July August 27th. 2010.
Copyright 2010 Elena Y. G. & Benny M. Jensen
2083B Yucca 'Karlsruhensis type 2' x rostrata.
Photo from July August 12th. 2013.
Copyright 2013 Elena Y. G. & Benny M. Jensen
- - - -
Specimen # 2084A: 
Sown 2009-03-23 a "rootday", Transplanted first time 2009-06-09 a "flowerday". 
Growing in a pot, this form make a few offsets very close to the base of the rosette, they are difficult to propaget, but it's possible with a lot of patience.
Photo from September 5th. 2010. Photo from September 5th. 2010. Photo from September 5th. 2010.
2084A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from July 6th. 2011.
Copyright 2011 Elena Y. G. & Benny M. Jensen
2084A Yucca 'Karlsruhensis type 2' x rostrata.
Sown March 23rd. 2009.
Photo from July 6th. 2011.
Copyright 2011 Elena Y. G. & Benny M. Jensen


Learn how to make your own Yucca hybrids.
Read about the Jensen hybrids of 2003.
Read about the Jensen hybrids of 2004.
Read about the Jensen hybrids of 2008.
Jensen hybrids 2009.
Jensen hybrids 2010.

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