Which brassicaceae?

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Broekhuis
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Title: Member
Joined: 2009-12-18
Which brassicaceae?

A couple years ago I got seed through the exchange for "Petrocallis pyrenaica". One seedling survived, bloomed a bit last year, and is blooming again on a slightly more robust plant now. It's clearly not petrocallis - probably some kind of alyssum, aurinia, or something in that botanical corner. Any ideas? My page about the plant is up here: http://www.robsplants.com/plants/PetroPyre2 and I'd love to get the identification correct.Thanks in advance for any suggestions!

Lori S.
Title: Moderator
Joined: 2009-10-27

Compare to Alyssum spinosum.

Lori Calgary, Alberta, Canada - Zone 3 -30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

Broekhuis
Broekhuis's picture
Title: Member
Joined: 2009-12-18

Indeed that's what was suggested by someone in a comment on my page. All the online photos of Alyssum spinosum show marvellously mounded, many-branched plants, to which I find it difficult to compare my small plant (which, at least at this stage of its growth, is not spiny). It's the best suggestion I have, just can't be sure yet.

_____________________________________________

Lehigh Valley, Pennsylvania, USA - zone 6, maybe 6b. Suburbaner.

tropicalgirl251...
Title: Member
Joined: 2009-10-08

I had this one last year flowering nicely.but died this spring.I do not know where i got it. can anyone identify this ?Krish

Krish

Saskatoon,SK,Canada Zone 3a one of the sunniest cities in Canada. Temperature range +30C to -38C. average annual precipitation 347.2mm.

Lori S.
Title: Moderator
Joined: 2009-10-27

A picture showing the leaves would be helpful, Krish, but lacking that, I'm pretty sure it's a Draba sp. anyway.

Lori Calgary, Alberta, Canada - Zone 3 -30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

Lori S.
Title: Moderator
Joined: 2009-10-27

Rob, looking at your plant again, I'm starting to think it's something else again.  I can't enlarge your photo (as it was not posted as a thumbnail) but it looks like the inflorescence structure differs from Alyssum spinosum, shown below:

Lori Calgary, Alberta, Canada - Zone 3 -30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

tropicalgirl251...
Title: Member
Joined: 2009-10-08

Hi Lorithe photo was taken last june. I have 3 different Drabas and all flower at this time of the year.The plant did not look like a Draba. The silvery leaves looked like the picture shown in this thread. I do have  one more picture which unfortunately does not show the leaves.Krish

Krish

Saskatoon,SK,Canada Zone 3a one of the sunniest cities in Canada. Temperature range +30C to -38C. average annual precipitation 347.2mm.

Lori S.
Title: Moderator
Joined: 2009-10-27

Perhaps try comparing to Physaria then, as a thought, Krish.

Lori Calgary, Alberta, Canada - Zone 3 -30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

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