distinguishing Davidsonia pruriens from D. jerseyana (forum)

Tom starts with ...
Are there distinct differences between young Davidsonia pruriens and D. jerseyana, in their leaves or trunk, for example, to be able to tell them apart before they're old enough to fruit? Here are a couple photos of the new addition in our garden, and I'd appreciate the advice of the folks in its native land to help me identify it. Thanks for your help.
Pictures - Click to enlarge

Picture: 1
Picture: 2

Time: 7th July 2010 7:35am

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About the Author Tom
Orlando, Florida
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Rev says...
to confuse you further
ive been told theres an upland and a lowland form of the NSW species
plus theres the nth Qld form (pruriens) which is a larger plant, more erect and taller

ill have to call in a guy i know who has a lot to do with them..

Time: 8th July 2010 5:05am

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About the Author Rev
North qld
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Tom says...
Thanks, Rev! The assistance is very much appreciated. Here are a couple more photos which may help.
Tom
Pictures - Click to enlarge

Picture: 1
Picture: 2

Time: 8th July 2010 7:10am

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About the Author Tom
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HappyEarth says...
Hey Tom, very difficult to tell the difference between the two until they flower and fruit. Only way I know is the leaf size is larger on the nrth qld species. Also, the Jerseyana flowers/fruits within 1-2 years unlike the nrth qld tree which takes longer.

Time: 8th July 2010 3:36pm

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About the Author HappyEarth1
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BJ says...
Is there any difference in the amount of hair or spikes they have, or is this variable between the individual plants? My metre tall tree is much hairier than this one, which looks positively leathery in comparrison.

Jerseyana only takes 1-2 years? I've haerd the normal one takes so much longer than that to bear! Does anyone have info on how long the other variety might take, as I'm pretty sure that is what I have? I'll have to get the Jerseyana whatever the case.

Time: 8th July 2010 4:12pm

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About the Author Theposterformerlyknownas
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allybanana says...
I had this exact same dilema when i found them at the local nursury. i assumed the one i purchased was was the southern one as it had survived frost at the nursury. I have no idea really, i would be interested to find out more?

Time: 8th July 2010 5:54pm

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eden
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Tom says...
Thank you, all, for the thoughts and input ! I figured this would be the best place to go for good discussion. So far, the best source of data I

Time: 8th July 2010 9:43pm

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About the Author Tom
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BJ says...
Hi Tom, I guess I should have said that 'I really want a Jerseyana' for my yard, especially because of its early bearing nature. They also dont take up much space as mature trees, they are just poles with fruit, so I wouldnt mind having a few different varieties.

I guess Brisbane and Orlando would be similar, though I dont ever recall seeing a frost in the mid north western suburbs here, let alone any freezes. We are quite close to the native area for the Jerseyana, but still warm enough to easily grow the warmer climate Davidsons.

Time: 9th July 2010 12:45pm

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About the Author Theposterformerlyknownas
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HappyEarth says...
yep ... my southern davo plum i got from daleys fruited within the first year and the plant was only knee high. Mind you the fruit was the size of a marble and there was only two - but hey, this is the most reliable way to distinguish between the two plants.

Time: 9th July 2010 2:46pm

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About the Author HappyEarth1
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Tom says...
Southern QLD really must be paradise, BJ

Time: 9th July 2010 10:10pm

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About the Author Tom
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Rev says...
I visited a bushfood garden in a place caled chillingham in the tweed valley (NSW) use google earth.
They have both the Nth qld type and the NSW form.
The North qld was very erect - like a palm or a pole, and thicker trunk with larger leaves. I believe the owner said they fruited at different times as well.
The NSW was more bushy, shorter, smaller leaves. this was accentuated by being in a more open spot.
South east qld has no freezes though they do get periodic frosts - last big one was about this time in 2007. It hit the whole east coast even up here in North qld there wer -8C records on the western edge of the atherton tablelands. I recall seeing burned foliage on rainforest near byron and narrandera. It looked like autumn colours!
SE qld also gets bad droughts.
so youve picked a good spot to try things from!

Time: 10th July 2010 6:39am

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About the Author Rev
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Tom says...
You're the best, Rev! I think ours must be from the North.

All you Aussie's are such fine folks. Thank you immensely for the personal time you gave to my question and for all the info. I'm much obliged to you and to all those who suggested and also asked. If any of you are interested in acquiring seeds from my side of the planet which may be hard to come by down there, I'd be happy to search them out them, cleanse them, and send them. (Whether they can get through AQIS or not in the post, I'll leave up to you.) Just let me know what you'd like.

I know the Tweed Valley now, Rev. I've been google-earthing Australia intensely lately as I've become enthralled with your beautiful country. Lately I've been thinking about a line from an Indigo Girls song:
"When God made me born a Yankee, He was teasin'." I'm sure He meant to place me in Australia; but I'll just have to settle for growing a few Davidson Plums, Tree Ferns, Finger Limes, an Illawarra Flame Tree, and Jacarandas in an attempt to mimic Paradise.
Tom

Time: 10th July 2010 8:59am

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BJ says...
My father has a very large puriens. well over 20ft, probably closer to 30. When I first saw it I didn't recognize it, as it was just a great pole with a few forked branches near the top. It crops 3 or so times a year in the warmer months with largish plums, and hundreds of them. But his are on the edge of a rainforest patch that was planted by regen/permaculturists who lived there a long time before he moved in, and estimates put the tree at near 30 years old... But what a tree!

Time: 10th July 2010 10:07am

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About the Author Theposterformerlyknownas
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Rev says...
some of my brightest memories of Northern NSW
is the combination flowering of street trees in country towns in spring of-
Jacaranda - blue (from brasil but who cares)
Flame tree - red/orange
and
Silky oak (Grevillea robusta) - bright yellow

i also think the lacebark Kurrajong (Brachychiton discolor) is greatly underutilised - it has dusky pink flowers
i added my own addition by importing raising and selling a number of silk floss tree (Chorisia speciosa) from similar climate in argentina

its so cheerful after a frosty winter!
goo luck with the D plum!

Time: 10th July 2010 4:44pm

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About the Author Rev
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Tom says...
Well, it may be off-subject now of the D Plum, but your memorable images of NSW, Rev, are actually taking shape now here in Orlando. I hope we can match your memories one day.

Our front yard has three Jacs (two 3m tall trees installed last year at the street and a big one center yard the year before), and the Flame Tree (about head height now and still in a pot with Miracle Grow soil to boost it) will be set directly across the drive from the big Jac so that their branches will mingle a bit one day. We used Yellow Tabebuias (Tabebuia chrysantha) for the bright yellow and added Pink Tabebuias (Tabebuia heterophylla) for the pink. Our excellent neighbor let us set the yellows across the street on her curb to arch the street and touch the Jacs spreading from our curb. All these bloom in concert, with the Pink Tabs lasting about 8 weeks from FEB through APR. (By the way, we're overloaded with Pink Tab seeds just now if you want any and are allowed for me to mail them in.) Just after them, Chaste Trees (Vitex agnus-castus) set opposite in our yards bloom for a few weeks into JUN.

Our Silk Floss is set closer to the front door of the house and gets the stage all to itself then later in the year (OCT blooming). We also put a big one in our neighbor's center yard to balance the other side.

And, just this week, two of the Lacebark Kurrajong seeds I planted a few weeks ago sprouted. There's a place reserved for one (if I can tend them into a good size) between the Flame Tree and a Yellow Tab in our back yard.

The inspirations for this were pictures I've seen of Australian towns (and the beautiful landscaping at Walt Disney World not too far from our home in downtown).

Almost forgot - three short, stout Quince trees set on the perimeter throw in a little light pink at the same time, but they're demur compared to all the other bright colours of the taller trees. On the opposite side, three short Crepe Myrtles (dark mellon coloured) put a little colour up high in the summer when the Agapanthus are blooming underneath.

It's very nearly n. NSW or s. QLD here just separated by a long distance, half a seasonal year, and fourteen hours.

Time: 10th July 2010 10:14pm

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Original Post was last edited: 10th July 2010 10:21pm

About the Author Tom
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Rev says...
If you can grow Tabebuia then you can grow Davidson plum

I could barely grow D plum, but was too cold for Tababuia

Time: 11th July 2010 1:23pm

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About the Author Rev
North qld
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PouteriaLover says...
Hi - I am wondering if these growths on my Davidsons plum are flowers forming (the one that my hand is holding )and if so - is this type of flower is diagnostic for a pruriens species?
I purchased the plant as a pruriens - but want to make certain of that ID....?
I have a jerseyana also - but it's still a baby - although it seems different to me ie: more prickly and &quote;shrubby&quote; - whereas this plant is tall and smoother, more droopy leaves...
Many thanks...
(pictures taken at different times - just to show the overall plant growth)
Pictures - Click to enlarge

Picture: 1
Picture: 2
Picture: 3

Time: 1st October 2017 12:17pm

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