Cactus Seedling Mix up (again)

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Chris L
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Cactus Seedling Mix up (again)

Post by Chris L »

Whilst preparing a list of seedlings for sale I've discovered a tray of seedlings that has contains two types (as I often do), but I seem to have the label missing for one of the types.

I seem to recall potting them up with the label in the tray, and there wasn't another label. Probably I accidentally got two lots of seed in one pot.

Clearly the plants on the right are NOT Lobivia and the label applies to those on the left. Has anyone any idea what the ones on the right are, please? If we can narrow it down to a genus I can always list all those seeds I have sown for that genus.

Any help appreciated. (tu) (tu)
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Re: Cactus Seedling Mix up (again)

Post by Herts Mike »

Mamms?
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Re: Cactus Seedling Mix up (again)

Post by Chris L »

Herts Mike wrote: Thu Feb 14, 2019 4:31 pmMamms?
Possible. These are what I've bought. Is there any of these we can definitely discount? I'll check tomorrow to see which (if any) of these are in the GH.

1) Mammillaria bombycina VM480 VM480 2015_BCSS_32
2) Mammillaria brandegeei v gabbii 2015_BCSS_33
3) Mammillaria laui 2015_BCSS_34
4) Mammillaria laui 2015_BCSS_35
5) Mammillaria microcarpa Rep1558 Rep1558 2015_BCSS_36
6) Mammillaria moelleriana LAU1334 LAU1334 2015_BCSS_37

7) Mammillaria alamensis 2016_UHLIG_24
8) Mammillaria aureispina 2016_BCSS_43
9) Mammillaria cowperae 2016_BCSS_44
10) Mammillaria fraileana 2016_UHLIG_25
11) Mammillaria fraileana L020 L020 2016_BCSS_45
12) Mammillaria halbingeri v rubriflora nom prov P349 P349 2016_BCSS_46
13) Mammillaria hutchisoniana L1225 L1225 2016_UHLIG_26
14) Mammillaria meridiorosae 2016_UHLIG_27
15) Mammillaria pondii 2016_BCSS_47
16) Mammillaria tetrancistra 2016_BCSS_48

17) Mammillaria arroyensis MZ652 MZ652 2017_BCSS_26
18) Mammillaria berkiana Lau1245 Lau1245 2017_BCSS_27
19) Mammillaria bonavitii REP904 REP904 2017_BCSS_28
20) Mammillaria crinita Lau1300 Lau1300 2017_BCSS_29
21) Mammillaria haehneliana WM8803 WM8803 2017_BCSS_30
22) Mammillaria hirsuta REP1236 REP1236 2017_BCSS_31
23) Mammillaria perbella REPP787 REP787 2017_BCSS_32
24) Mammillaria polythele subsp obconella MZ541 MZ541 2017_BCSS_33
25) Mammillaria winterae L1028 L1028 2017_BCSS_34
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Re: Cactus Seedling Mix up (again)

Post by Chris43 »

I can't see any sign of a hooked central (or more), so that should narrow the options down to these. I think they're old enough to have shown up by now, though sometimes they start straight and then the newer ones are hooked.

2) Mammillaria brandegeei v gabbii 2015_BCSS_33
3) Mammillaria laui 2015_BCSS_34
4) Mammillaria laui 2015_BCSS_35
12) Mammillaria halbingeri v rubriflora nom prov P349 P349 2016_BCSS_46
17) Mammillaria arroyensis MZ652 MZ652 2017_BCSS_26
18) Mammillaria berkiana Lau1245 Lau1245 2017_BCSS_27
19) Mammillaria bonavitii REP904 REP904 2017_BCSS_28
23) Mammillaria perbella REPP787 REP787 2017_BCSS_32
24) Mammillaria polythele subsp obconella MZ541 MZ541 2017_BCSS_33
25) Mammillaria winterae L1028 L1028 2017_BCSS_34

I think I can see that there are about 10-12 white radial spines and just 1 white central spine. If so, that should rule out 3, 4 and 24. The trouble is that as with hooks, as seedlings grow a bit older, more spines can develop. The opposite can also be the case, with radials but very rarely with centrals. So I'm hesitant to rule any others out just on spine count. The same goes for spine colour, again young seedlings often just look white and develop later.
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Re: Cactus Seedling Mix up (again)

Post by Chris L »

Chris43 wrote: Thu Feb 14, 2019 5:24 pm I can't see any sign of a hooked central (or more), so that should narrow the options down to these. I think they're old enough to have shown up by now, though sometimes they start straight and then the newer ones are hooked.

2) Mammillaria brandegeei v gabbii 2015_BCSS_33
3) Mammillaria laui 2015_BCSS_34
4) Mammillaria laui 2015_BCSS_35
12) Mammillaria halbingeri v rubriflora nom prov P349 P349 2016_BCSS_46
17) Mammillaria arroyensis MZ652 MZ652 2017_BCSS_26
18) Mammillaria berkiana Lau1245 Lau1245 2017_BCSS_27
19) Mammillaria bonavitii REP904 REP904 2017_BCSS_28
23) Mammillaria perbella REPP787 REP787 2017_BCSS_32
24) Mammillaria polythele subsp obconella MZ541 MZ541 2017_BCSS_33
25) Mammillaria winterae L1028 L1028 2017_BCSS_34

I think I can see that there are about 10-12 white radial spines and just 1 white central spine. If so, that should rule out 3, 4 and 24. The trouble is that as with hooks, as seedlings grow a bit older, more spines can develop. The opposite can also be the case, with radials but very rarely with centrals. So I'm hesitant to rule any others out just on spine count. The same goes for spine colour, again young seedlings often just look white and develop later.
Thanks. I'll have a look in the GH tomorrow to see if I've any other Mammillaria's growing.

Would a much closer picture help in any way?

Probably a case of waiting until they are a bit bigger and/or have flowered.
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Re: Cactus Seedling Mix up (again)

Post by MikeT »

I'm not sure I'd rule crinita out. Centrals don't always appear on seedlings. My first thought was zeilmanniana or wildii (= crinita) from the appearance. If it is crinita, you may well get some flowering this summer, which will help greatly with ID
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Re: Cactus Seedling Mix up (again)

Post by Cidermanrolls »

I also immediately thought crinita. I was looking for hooked centrals but couldn’t spot any.
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