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 M. aff. multihamata TL 868

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Hugo

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PostSubject: M. aff. multihamata TL 868   Mon Sep 22, 2008 11:07 am

M. aff. multihamata TL 868



Photo: T. Linzen

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PostSubject: Re: M. aff. multihamata TL 868   Wed Sep 24, 2008 2:21 am

Hallo Hugo,
eine sicher sehr interessante Pflanze von T. Linzen, die du da eingestellt hast.
Hierzu vielleicht erst einmal einige Ausführungen von F. Bödeker:

1915 Monatsschrift für Kakteenkunde 76.
M. multihamata Bödeker spec. nov.
Ende November 1911 übersandte mir Herr De Laet in Contich bei Antwerpen ein leider totes Importstück einer Mamillaria mit der schriftlichen Anfrage: "Was ist das?" zur Bestimmung. Beim ersten Anblick dachte ich an M. kunzeana Böd. & Quehl. Nach genauerer Betrachtung fand ich jedoch, dass die Pflanze 7 bis 9 Mittelstacheln hatte, die aber leider fast sämtlich oben abgebrochen waren. Immerhin konnte ich trotzdem noch feststellen, dass mehrere dieser Mittelstacheln an ein und derselben Areole eine angelhakige Spitze hatten resp. gehabt haben mussten. Nach weiteren und genaueren Vergleichen, auch in der einschlägigen Literatur, kam ich nun zu der Überzeugung, dass hier vielleicht eine Neuheit vorliege. Glücklicherweise fand ich an der toten Pflanze zahlreiche Samenkörner, die in der Aussaat 1912 wohl sämtlich aufliefen und mir nach einem Jahre prächtige Sämlinge lieferten, die sämtlich, neben 2 bis 3 oberen geraden mehrere untere angelhakig gebogene Mittelstacheln an der Areole trugen. Die Samenbeständigkeit war also sicher, und da ich noch weitere Eigentümlichkeiten auffand, so entschloss ich mich, die Pflanze als neue Art zu benennen und lasse die Beschreibung nunmehr hier folgen.
M. multihamata Bödeker
Körper fast kugelförmig, am Grunde spärlich sprossend und von ungefähr 5 cm Durchmesser, glänzend dunkler laubgrün. Scheitel etwas eingesenkt und von den Stacheln überragt, ohne Wolle im Neutrieb. Warzen zylindrisch, 4 mm dick und 10 mm lang, an der Spitze schwach, nach unten schief abgestutzt. Areolen rund, 3 mm im Durchmesser, mit weißer Wolle besetzt, erst ziemlich spät verkahlend. Randstacheln ungefähr 25, rein weiß, rauh, dünn, meist gerade, 3 mm lang und etwas vorspreizend. Mittelstacheln gewöhnlich 7 bis 9 einer davon in der Mitte in der Richtung der Warze geradeaus stehend, alle etwas dicker und länger als die Randstacheln, gerade, und am Grunde knotig verdickt. Der mittlere, die seitlichen und die unteren Mittelstacheln sind an der Spitze hakenförmig gebogen und von schön feurig rotbrauner Farbe am Grunde kaum heller. Die 2 bis 3 oberen Mittelstacheln sind gerade zugespitzt, etwas dünner und nur nach der Spitze zu bräunlich, angelaufen. Alle Mittelstacheln sind kurz rauh, behaart und spreizen stark vor. Axillen ohne Wolle aber mit langen, haarförmigen, weißen Borsten besetzt.
Blüten im Kranze in der Nähe des Scheitels, nach meinen an einer kräftigen Sämlingspflanze gemachten Beobachtungen voll entfaltet ungefähr 15 mm lang und 12 mm breit, flach-trichterförmig, Fruchtknoten klein, länglich-kugelig, kahl. Äußere Hüllblätter spitz-lanzettlich, seidenglänzend, schmutzig-weiß mit außen bräunlichen und innen rosa gefärbtem, derben Mittelstreif. Innere Hüllblätter rein weiß mit sehr feinem, fast nur an der Spitze wahrnehmbaren rosa Mittelstreif, ebenfalls spitz-lanzettlich und seidenglänzend. Staubfäden schwach rosa mit hellgelben Beuteln, über die Mitte der Blütenblätter reichend. Griffel unten grün, oben hellbräunlich-rosa. Die Staubfäden überragend mit vierteiliger hellsaftig-grüner Narbe.
Samenkörner 1 mm im Durchmesser, mützenförmig, schwarzbraun, grubig punktiert.
Heimat Mexiko, von wo Herr De Laet die Pflanze ohne nähere Standortangabe 1991 in wenigen Exemplaren importierte.

Der Pflanze von Linzen fehlen auf jeden Fall die 4-5 weiteren hakigen Mitteldornen und ich glaube, dass die Pflanze von Linzen weit aus mehr als 25 Randdornen besitzt. Leider kann man nicht erkennen, ob die Axillen mit haarförmigen Borsten besetzt sind.
Nun - ich denke deswegen heißt es auch nur aff. multihamata.

M. multihamata wurde ja immer wieder in Verbindung mit M. kunzeana und M. bocasana gebracht, sogar selbst von Bödeker, was aber letztendlich nicht unbedingt stimmen muss, den sehr viele neuere beschriebene Arten kannte Bödeker ja zu der Zeit noch nicht.

Die Pflanze von Linzen geht aber für meine Meinung mehr in die Richtung von M. mercadensis und M. brachytrichion.

Was meint ihr dazu?

Gruß
Holger
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PostSubject: Re: M. aff. multihamata TL 868   Wed Sep 24, 2008 8:41 am

Thanks Holger for the description of multihamata. It's a pity that Delaet nursery doesn't excist for a long time, otherwise I could have asked them were the plants came from, since it is was only 15 minutes drive from were I live.
I agree that TL 868 looks more to brachytrichion and mercadensis, but again with a few differences. This could maby a new specie...
I would like to see a picture of the whole plant and not only the top.

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PostSubject: Re: M. aff. multihamata TL 868   Thu Sep 25, 2008 10:16 am

For those of us who don't speak German, I have used Babelfish to translate, and have amended some of the more difficult words.

Here is (more or less) what Horu posted:

Hello Hugo, a surely very interesting plant of T. Linzen, which you posted there. Here are some some remarks of F. Bödeker: 1915 monthly review for Kakteenkunde 76.

M. multihamata Bödeker spec. Nov.
At the end of November 1911 Mr. De Laet in Contich near Antwerp sent to me a unfortunately dead piece of an imported Mamillaria with the written inquiry: " What is that? " . At the first sight I thought of M. kunzeana Böd. & Quehl. After a more detailed viewing I found however that the plant had 7 to 9 central spines, nearly all of which had unfortunately broken off however. Nevertheless I could still state that several of these central spines must have come from the same Areole and must have had a hooked point. After further and more exact comparisons, also in the relevant literature, I came to the conviction that perhaps a novelty is present here. Fortunately I found numerous seeds, which probably all germinated in the sowing in 1912 and supplied me after one year with magnificent seedlings of the dead plant, which all had, beside 2 to 3 upper straight spines, several lower hooked central spines from the Areole. The seed stability was thus safe, and there I found still further peculiarities , then I decided to designate the plant as new kind and let the description follow now here.
M. multihamata Bödeker: Bodies nearly spherically, sparsely offsetting, and of approximately 5 cm diameter, shiny and darker leaf-green. Apex somewhat covered and with the spines towering above, without wool in the new growth. Tubercles cylindrical, 4 mm thickly and 10 mm long, at the end somewhat weakly and downward inclined. Areoles approximately 3 mm in diameter, with white wool. Approximately 25 radial spines, rough, thin, usually straight, 3 mm long and spreading forward. Usually the central spines from the centre of the areole, standing straight out in the direction of the tubercle , all somewhat thickler and longer than the radial spines, straight, and 7 to 9 in number, thicker at the base. The middle, the lateral and the lower central spines are hooked, curved at the point and of a beautifully fiery red-brown color, at the base hardly more brightly. The 2 to 3 upper central spines are straight, close together, somewhat thinner and brownish towards the tip. All central spines are a little rough, and spread strongly forwards. Axils are without wool however with long, hairlike white bristles. Flowers in the wreath/ring in the proximity of the vertex, after my observations made of a strong seedling plant fully open are approximately 15 mm and 12 mm wide, flat funnelform, seed pods are small, oblong-spherically, and bald. The outer petals are pointed lanceolate, silky and shiny, dirty-white with the outer petals brownish and inside with a pink coloured middle stripe. The inner petals are similar but with with very fine, nearly only pink middle stripe perceptible at the tip, similarly pointed lanceolate and silky. Stamens are weakly pink with light yellow anthers, reaching as far as the centre of the petals. Style is green at the base, and above light brownish-pink. The stigma has four light green lobes. Seeds 1 mm in diameter, bathing cap shaped, black-brown, with apitted skin.
Homeland Mexico, from where Mr. De Laet imported the plant without any closer indication than location 1991.

The plant of Linzen is missing in any case 4-5 more hooked central spines and I believe that the plant of Linzen possesses far from more than 25 edge thorns. Unfortunately one cannot recognize whether the Axils have hairlike bristles.

Now - I think therefore I would also only call it aff. multihamata. M. multihamata is referenced again and again in connection with M. kunzeana and M. bocasana which Bödeker did not know of at the time, and also with a great many newer kinds described by Bödeker, though this does not have however to be necessarily correct,.

The plant of Linzen tends, however, in my opinion more in the direction of M. mercadensis and of M. brachytrichion.

What means it in addition?

Greetings
Holger


I do not pretend that this is a precise translation, but hopefully there is enough here for you to see the differences in the plant shown from M. multihamata, and understand the reasoning behind the suggestion of its more precise affinities.

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PostSubject: Re: M. aff. multihamata TL 868   Wed Oct 01, 2008 8:13 pm

Here's another picture of TL 868. If you have a closer look, you can see a few bristles in the axils, I think. This plant has nothing to do with M. mercadensis or brachytrichion ! There are 2 hooked central spines, and 7-12 radial spines .



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PostSubject: Re: M. aff. multihamata TL 868   Wed Oct 01, 2008 8:38 pm

Hi Hugo,
Thi s plant is very interesting indeed. The spination on the second photo is different wrt the centrals at least. The first seems only to have 1 hooked spine per areole, the second plant has two usually.
From a numeric point of view, between the two photos, I make it somewhere from 22 to 26 radials, and perhaps up to 6 centrals of which 2 are much stronger and hooked, these being the main upper and lower ones. Although some of those 6 could almost be called sub-central, though they do appear to emerge from above where the true white radials emerge. There looks like some wool in the axils, and there could be a few bristles, it is difficult to see because the radials are quite variable in length and cover the view. The hooks on the spines are quite randomly orietnted, some curled up to the apex, some hooked downwards, and some sideways to the left and the right.
Obviously the plant is quite variable in spines, but that's not so surprising as many of the Stylothelae are.
I wonder if the plant s illustrated come from the seed of a single plant, or from a population as a whole?

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PostSubject: Re: M. aff. multihamata TL 868   Thu Oct 02, 2008 4:26 pm

I've got a reply from Herr Linzen about your question Chris.

" The seeds are from 3 different plants, but not many seeds were available. The stiff spination on plant no1 is more an exception. The plants are growing on vertical, almost perpendicular, ascent rocks and and very difficult to reach and to observe.

The UG 1370, which I have introduced in KuaS, is identical. The seedlings of this UG 1370 are looking uniform, most of them with 2 hooked centrals.

This specie is not described yet. Fitzmaurice states that this plant is a normal form of M. crinita. Why has he then described M. manana, the differences with this plant are huge."

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PostSubject: Re: M. aff. multihamata TL 868   Fri Oct 24, 2008 5:43 pm

Hello,
here another piece of information to the UG 1370.
The locality is Cerro de la Vibora, Michoacan.

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PostSubject: Re: M. aff. multihamata TL 868   Thu Nov 13, 2008 2:38 pm

Below is a picture of a 2 year old seedling of UG 1370. The seed came from Doug Rowland's 2006 seedlist. The seed was sown on the 18-6-06 and germinated on the 26-6-06. Out of the 20 seeds, 12 germinated and I still have 9 seedlings left.

Althougth a small plant the spination is has follows, 2-4 hooked central spines, 3-4 straight spines and about 30 radials. Fitzmaurice believes it is something to do with crinita but for me the tubercles not quite right for that.
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