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Laburnocytisus 'Adamii'

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Laburnocytisus 'Adamii' (also known as Adam's laburnum or broom laburnum) is a horticultural curiosity; a small tree which is a graft-chimaera between two species, a laburnum, Laburnum anagyroides, and a broom, Chamaecytisus purpureus (syn. Cytisus purpureus), which bears some shoots typical of the one species, some of the other, and some which are a peculiar mixture of both "parents". +Laburnocytisus 'Adamii' is a legume, a member of the pea family Faboideae (or Papilionaceae, formerly Leguminosae). The plus sign (+) indicates its unusual origin. The plant can also be described by the formula Chamaecytisus purpureus + Laburnum anagyroides. (It has also been known as +Laburnocytisus adamii, as if it were one species, but strictly speaking it is not one species but two.) Only one cultivar, 'Adamii', is known to have arisen from this graft. Contents [hide] 1 Appearance 2 Origin 3 Structure 4 Other graft-chimaeras 5 References 6 External links Appearance[edit] Most of the tree's branches resemble the laburnum in their foliage, which has three leaflets (3-palmate) and 36 cm long, yet also with dense clusters of broom-like shoots, also with three leaflets, but only 1 cm long and a darker green. It flowers in late spring or early summer; some branches have long (2030 cm) racemes of yellow laburnum flowers, while others produce dense clusters of purple broom flowers. Remarkably, most branches will also produce coppery-pink flowers on short (815 cm) racemes, which are midway between the two "parents"; the leaves on these shoots are also intermediate. In older specimens, the proportion of broom and mixed tissues tends to decline, and the laburnum to predominate. The tree grows to a height of 7 m (rarely 8 m) and is hardy to USDA plant hardiness zone 5 in northern Europe. It requires moderately fertile, moist but well-drained soil and should be grown in a sunny position to flower well. Origin[edit] The plant originated in the nursery of M. Adam near Paris in 1825, probably as an accident;[1] Chamaecytisus purpureus is normally a low-growing plant, and grafting it onto a straight trunk of a related species would be expected to create an attractive, semi-weeping standard. In theory, other +Laburnocytisus could be developed in the same way but using different "parents". Structure[edit] A graft-chimaera is not a true hybrid but a mixture of cells, each with the genotype of one of its "parents"; it is a chimaera, created by grafting, in which the tissue of one plant grows within an outer envelope of the second plant. In the case of +Laburnocytisus 'Adamii', laburnum forms the core, surrounded by the broom.[1] Such plants are often called "graft hybrids", but as they are not true hybrids the use of this term is now discouraged.

My first attempt at a link - thank you Richard!
Taken at the Botanic Gardens in Glasgow.
My thanks also to Graham (digital-boi) for calling into Botanic gardens to find the name of this amazing 'graft-chimera'.
Many thanks to everybody for vs and cs and advice re 'Just a Leaf' yesterday.

Brand:Canon
Camera:Canon EOS 450D
Lens:EF-S60mm f/2.8 Macro USM
Recording media:RAW (digital)
Date Taken:12 Jun 2013 - 8:12 PM
Focal Length:60mm
Lens Max Aperture:f/2.8
Aperture:f/4.5
Shutter Speed:1/60sec
Exposure Comp:+1/2
ISO:100
Exposure Mode:Aperture-priority AE
Metering Mode:Multi-segment
Flash:Off, Did not fire
White Balance:Auto
Title:Laburnocytisus 'Adamii'
Username:Irishkate Irishkate
Uploaded:17 Jul 2013 - 12:25 AM
Tags:Botanic gardens, Flowers & plants, Glasgow, Horticulture, Hybrid/graft, Laburnocytisus 'Adamii', Scotland
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Votes:45

Comments

Daisymaye
Daisymaye e2 Member 5Daisymaye vcard Canada8 Constructive Critique Points
17 Jul 2013 - 4:00 AM

That's pretty cool to have two trees in one. Good shot.......Sandy

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PaulLiley
PaulLiley  4 United Kingdom13 Constructive Critique Points
17 Jul 2013 - 5:18 AM

Interesting write up and nice capture. paul

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CarolG
CarolG e2 Member 7124 forum postsCarolG vcard Greece16 Constructive Critique Points
17 Jul 2013 - 5:36 AM

A lovely image, Kate, and what a fascinating tree, a most unusual graft. Very well captured. Carol

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andylea
andylea e2 Member 537 forum postsandylea vcard United Kingdom1 Constructive Critique Points
17 Jul 2013 - 7:44 AM

wonderful comp kate brilliant colours and detail belting write up too a cracker nice one Wink
andy

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DicksPics
DicksPics e2 Member 2DicksPics vcard United Kingdom7 Constructive Critique Points
17 Jul 2013 - 7:47 AM

A beautiful image, Kate and a very interesting and informative description!

Richard

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HarrietH
HarrietH e2 Member 3254 forum postsHarrietH vcard Portugal
17 Jul 2013 - 7:51 AM

Beautiful Kate. We have an avenue of white Laburnum near us. I love it.

Harriet

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widtink
widtink e2 Member 1404 forum postswidtink vcard Scotland2 Constructive Critique Points
17 Jul 2013 - 8:00 AM

Two trees in a wanner lol . Nice write up Kate .

Rod

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canonfan
canonfan e2 Member 3canonfan vcard United Kingdom
17 Jul 2013 - 8:17 AM

Beautiful image accompanied by a very informative description Kate. I hope you are well
Jim

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Nikonuser1
Nikonuser1 e2 Member 1Nikonuser1 vcard United Kingdom3 Constructive Critique Points
17 Jul 2013 - 8:44 AM

Great write up Kate, nice imageSmile

Cliff

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rayme330
rayme330 e2 Member 2rayme330 vcard United Kingdom1 Constructive Critique Points
17 Jul 2013 - 8:56 AM

An interesting and well captured image and write-up, Kate. Grin

Ray

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WhiteRose1
WhiteRose1 e2 Member 4963 forum postsWhiteRose1 vcard England129 Constructive Critique Points
17 Jul 2013 - 9:12 AM

Fascinating stuff, Kate.

Dave

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NDODS
NDODS e2 Member 32307 forum postsNDODS vcard United Kingdom96 Constructive Critique Points
17 Jul 2013 - 9:26 AM

An extremely interesting and informative pre-narrative supported by a beautifully composed and crafted image Kate

Regards Nathan GrinGrinGrin

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Joline
Joline e2 Member 7Joline vcard United States51 Constructive Critique Points
17 Jul 2013 - 11:06 AM

How very interesting, and the write up is so informative.
I do like the way this is juxtaposed with the building in the background....very, very nice.

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WesternRed
WesternRed e2 Member 2WesternRed vcard Australia
17 Jul 2013 - 11:10 AM

What lovely blossoms. Well done Kate.
WesternRed.

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williamsloan
williamsloan e2 Member 3williamsloan vcard Northern Ireland1 Constructive Critique Points
17 Jul 2013 - 12:17 PM

a super shot and a great narrative,first class.

billy

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nonur
nonur e2 Member 5nonur vcard Turkey8 Constructive Critique Points
17 Jul 2013 - 1:40 PM

What an amazing write up, thank you for the time and trouble taken. Great compo, so beautiful against the blurred greenhouse, Kate.

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boov
boov  1 United Kingdom
17 Jul 2013 - 2:10 PM

Brilliant.....

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Fefe
Fefe e2 Member 2Fefe vcard United Kingdom25 Constructive Critique Points
17 Jul 2013 - 2:20 PM

Lovely!
Diane

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LynneJoyce
LynneJoyce e2 Member 5LynneJoyce vcard United Kingdom95 Constructive Critique Points
17 Jul 2013 - 3:15 PM

I love the way that this curious cultivar stands in front of the Pro glasshouse - very apt.

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marktc
marktc e2 Member 342 forum postsmarktc vcard United Kingdom13 Constructive Critique Points
17 Jul 2013 - 7:26 PM

I really like this image Kate, very well captured,

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annettep38
annettep38 e2 Member 2186 forum postsannettep38 vcard France30 Constructive Critique Points
19 Jul 2013 - 12:06 AM

excellent contrast with the OOF glasshouse. what an interesting plant, very fascinating!

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digital_boi
19 Jul 2013 - 11:35 AM

I thought for a moment you had been trespassing yet again but then realised this was your original transgression TongueWink fine colours against the backdrop of the Kibble Palace Kate

Graham

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