Yucca nana

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RickR
Title: Moderator
Joined: 2009-09-21

Bob, your Yucca nana is especially fantastic!

Every twirl of a fiber is a piece of art. :o

Rick Rodich    zone 4a.    Annual precipitation ~24 inches
near Minneapolis, Minnesota, USA

penstemon
Title: Member
Joined: 2010-06-24

Quote:

Every twirl of a fiber is a piece of art. 

I did that myself, of course, using a yucca-twirler.

According to Hochstaetter (who described it), it differs from Y. harrimaniae by having leaves less than 20cm long, a "shorter inflorescence", and pure white flowers.
That's probably not enough of a distinction for some botanists.

Bob

Bob

extreme western edge of Denver, Colorado; elevation 1705.6 meters, average annual precipitation 30cm; refuses to look at thermometer if it threatens to go below -17C

RickR
Title: Moderator
Joined: 2009-09-21

Nold wrote:

I did that myself, of course, using a yucca-twirler.

Bob

:D Where can I get one of those yucca-twirlers?  ;)(good one)

Rick Rodich    zone 4a.    Annual precipitation ~24 inches
near Minneapolis, Minnesota, USA

Martin Tversted
Title: Guest
Joined: 2011-03-24

I have many kinds of small yucca forms in the size of harrimaniae-nana. I dont think the speciation is resolved and it is possible that the nana concept is just a variation of the other species.

Martin Tversted
Central Jutland, Denmark Z6

Tim Ingram
Title: Member
Joined: 2011-04-27

Bob - very lovely painting! The past secretary of our local AGS Group was a fine botanical artist and we are aiming to display her work at the Spring Alpine Show we hold in Kent. It is a marvellous talent.

Dr. Timothy John Ingram
Faversham, Kent, UK
I garden in a relatively hot and dry region (for the UK!), with an annual rainfall of around 25", winter lows of -10°C and summer highs of 30°C.
 

Booker
Booker's picture
Title: Member
Joined: 2010-01-30

Another example of Cindy's magnificent artwork, Bob?  ... but what a legacy!

Cliff Booker A.K.A. Ranunculus
On the moors in Lancashire, U.K.
Usually wet, often windy, sometimes cold ... and that's just me!

penstemon
Title: Member
Joined: 2010-06-24

Yes, sorry, I forgot to mention that. She was working on a large drawing for an exhibit at RBG Kew.

Bob

Bob

extreme western edge of Denver, Colorado; elevation 1705.6 meters, average annual precipitation 30cm; refuses to look at thermometer if it threatens to go below -17C

DesertZone
Title: Guest
Joined: 2011-08-20

Here is a couple.

Dry garden, little irrigation, 9" precip

Shoshone Idaho USA. Zone 5b-6a

Hot and dry in the summer, cold and snow in the winter.

DesertZone
Title: Guest
Joined: 2011-08-20

Tim wrote:

Bob - very lovely painting!

I agree. 8)

Dry garden, little irrigation, 9" precip

Shoshone Idaho USA. Zone 5b-6a

Hot and dry in the summer, cold and snow in the winter.

penstemon
Title: Member
Joined: 2010-06-24

As far as I can tell, the only place where Yucca nana is accepted is in Hochstaetter's books. On the other hand, the only treatment of Yucca that I know that is the result of going out into the wild and looking at as many yuccas as possible, is also by Hochstaetter.
I noticed he was dismissed as a "hobbyist" in some publications, but who else has done as much field work? Especially in such as messy genus as Yucca, I would think that field work outweighed studying herbarium specimens in every respect. (I could be wrong.)

If you look at treatments of Yucca in various floras you will find almost no agreement at all as to the distribution of a number of species, not to mention reports that species grow in places where, in fact, they do not grow.

Bob

Bob

extreme western edge of Denver, Colorado; elevation 1705.6 meters, average annual precipitation 30cm; refuses to look at thermometer if it threatens to go below -17C

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