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Article Characterization of Potyviruses from Tulip and Lily which Ca...

Jaime thank you for the link. Three points that - to my mind, at least - further add to the oddity of my Frankentulip are these:

1 - The leaves of these tulips are large and visually free of any mark, softness, or other disturbance suggesting infection and

2 - nowhere that I have looked has there been any discussion of the near-complete absence of sexual organs. The closes I have come with the problem, to date, is that several of the petals of this year's crop have more or less fully-developed stamens along the petal margin.

3 - Several of the tulips had leaves that contained streaks of dark red, and were, more or less, curled.

What also makes me wonder is the peculiarity of the inner rows of petals, which first seemed like onion layers gone brown and thin, but which plumped up and became firm and well-coloured.

see attached which shows 1 - the tenacity of several very thin petals that refused to let go, 2 - the "onion-skin nature of many of the petals, and 3 - the dark red petals/leaves??

I don't know if I can find a camera to record this year's strange behaviour - not so disorganized, petals thicker and healthier looking and stamens growing along the petal margin.

I should add that most pictures/paintings of broken tulips show quite normal-looking pistil and stamens. Frankentulip is bizarre.

UPDATE on Frankentulip

Unlike other tulips, the flower produced by these bulbs is neither star- nor cup-shaped, resembling, instead, a small peony or ranunculus (no -it is not a bulb). I wondered whether it might be a degenerated peony-flowered variety. These, however, still form a flowerhead that is clearly tulip-y in the organization of their petals. Frankentulip does not possess their petal arrangement. More than that, though, the numbers are disturbing.

Frank has seven rows of 5 petals each, from outside to inside, arranged more or less in straight lines, rather than the whorled distribution of tulips generally. They are all narrow, nearly strap-like with a yellow base overlaid by rich red that depens to mahogany as it matures, in addition to six petals/sepals. All have a yellow strip up the midline. On the last to flower, several of the petals, near the top, have an anther growing out of the edge of the petal. They are colourless and dry out almost immediately after picking. As with healthy tulips, the inner petals have a small, delicate cleft at the top.

Additionally, the innermost row contains three highly distorted and curled petals. One is split in two (instead of having a cleft) and are curled like a ram's horns. Finally what looks like a rudimentary pistil, and 4 stamens, the filaments of which are yellow but are topped by anthers without any evidence of pollen; the pistil was twisted, firm and entirely colourless, somewhat flattened lengthwise. And it lacked a stigma (pollen receptacle).

I was wrong about the leaves being unaffected - the large leaves thrown up before the flower materializes are normal, without any sort of sign that might make one wonder. However, in at least two of this year's crop there are three rudimentary, narrow leaves nearest the flower. Two are curled, with white areas as well as an amount of red but no yellow. The third, just below the flower, is a much broader leaf, also curled, with a small yellow area near the stem, with considerable breaking and almost as much red as the petals. Finally, one of the tepals - like a number of leaves last year, as well as this - is attached partway by a ridge of base-coloured (yellow) tissue.

As the flowers dried it became apparent that the yellow is fugitive but the anthocyanins remain. This year's drying tulips have developed a truly beautiful mahogany/chocolate/garnet red which, in sunlight, had almost iridescent blue overtones. These tones are completely gone (or perhaps overwhelmed by the red) in last year's tulips, completely dried out, dark bluish red, and straw-coloured and textured.

The most unfortunate of this year's crop had three very long narrow sepals, one of which was also attached by a ridge of base-coloured (yellow) tissue; several of the outer rows of petals contained no anthocyanins and a scant amount of yellow - they have dried to fine-onion-skin appearance. Like last year's crop, it has no sex organs, only a couple of skewed and twisted things that could be very narrow petals or an attempt at stamens. As previously mentioned, last year's stamens and pistil - such as they were - resisted being detached.

The breaking of flowers occurs when a virus suppresses anthocyanin and the base colour is exposed as a streak. Most broken tulips, which caused such a frenzy when tulips first grew in Europe, were feathered or blotched with colours in very attractive ways - but even those tulips had fair-sized petals organized in groups of three (or six) - I really wonder how Frank can have so many petals that are stable in their colour and shape, yet be so disorganized in other ways - five rows, stamen-bordered petals, etc.

Photos:

Frank was nearly as petal-filled as Ranunculus (Tangerine Double) but doesn't have the three-fold arrangement of a Peony-flowering Tulip (Dream Touch, courtesy Japrkers.co.uk)