Phyllostachys what?

[zxylene]

I planted this bamboo in the end of May. It has smooth not sure if I would say wax like culms but maybe? they are not fuzzy like my phyllostachys aureosulcata. The nodes have fine white rings under them. The leafs do not have as much hair as the yellow grove. I do not have a pic of the parent plant but the grove the division came from had 30-40 foot 2 1/2" plus culms. The culms I have are about 3/4" -7/8" 7-10 foot tall and the whip shoots are 1/4" 6.
Here is a pic of a shoot


Leaf close up


top down shot of the whip shoots


side view of whip shoots and culms


please let me know what you think and if I need more pics or details.
thanks
Bill

[needmore]

I can't really tell anything from your photos but if you are correct on the 2 1/2 inch diameter in PA there aren't many suspects. I hear tales of Vivax that large in PA so perhaps...EXTREMELY happy Nuda could get that size in PA, Atrovaginata as well. Anything else is probably too rare to be a possibility.

[stevelau1911]

Those pictures look almost exactly like my phyllostachys dulcis. Its got fairly large arching culms, indents sometimes on the internodes, skinny branches, that have large canoe shaped leaves. Its also the exact same color with a touch of white right below each internode.

Heres a picture of my dulcis from this spring

[David]

Brad,

Do the leaves in the pics look boat shaped to you? It is almost certainly not praecox. Could it be propinqua?

David

[zxylene]

Brad - yes it was actually about 2 1/2 inches I did not measure but being a carpenter I am good with measurements when I came across the grove I was amazed it was next to a creek in a swampy seasonal wet land area with amazing rich looking soil when I dug it.

I notice my shoot picture did not post also I realized how to post larger pics



Here is a better close up of the culms and branches




I was thinking paravifolia but that was only going by pics and descriptions online. Not sure on Vivax because of the snow we get sometimes and the culms seem no thinner than the yellow groove I have but maybe the vivax is only thinner when large.

Bill

[zxylene]

I was looking at pics of Phyllostachys dulcis and while the leaves look similar and the culms look close the shoots look way different.

[Alan_L]

That doesn't appear to be a true shoot, but a rhizome that's turning into a shoot. So you may have to wait until the Spring to get an accurate photo of a shoot.

[zxylene]

Alan, That is possible as I was not expecting any shoots in July some came up and dive back underground while one turned into the whip shoot cluster. I have 3 or 4 more that I can see and a few more that turned up and are leafing out. I have no clue what it is doing but I figure it knows best. All of the shoots or rhizomes that came out of the ground look just like the the one in the picture. The one whip shoot is almost 6 feet long and cannot support itself and is now almost laying on the ground growing branches up. Should i prop this one up or let it be?

I love Bamboo . Especially now that I have some planted around the house.

Bill

[needmore]

David, I agree on the boat-shaped leaves but I have to ignore that if we are talking 2inch plus diameter! I hope that is just a hot sun effect. I don't think that Propinqua or Praecox would get anywhere near that large in PA. Glauca perhaps.

Parvifolia has the size potential but is very unlikely due to it's rarity, Dulcis maybe, Atrovaginata could but those are some pretty long leaves. If the diameter is more like 1 - 1.5 inches then several other species would be 'in play' but 2 inches is a very small pool of candidates.

I'd agree that you have to ignore those current 'shoots', they are not representative of the parent stock.

[zxylene]

I went out and measured the leaves and they are mostly 4" - 5 " long and about 5/8" wide but some vary and there are some smaller ones. I want to get back to the grove I got it from and get pics but that may be a while. I measured my leaves on the yellow groove and they are about the same size. Is there a green aureosulcata? although the grove I got this plant from was a monster compared to the grove I got the yellow groove from. and the Yellow groove has a little more hair near where the leaves sprout from.

I was also reading more about atrovaginata and noticed it says the rhizomes have air channels my division when I dug it the rhizomes looked just like culms with the hole in the middle. I thought that the plant uses the culms as roots they are very similar.

P nuda could be possible as one of the culms does have a kind of zigzag at the bottom and mother grove did have a few but not many like that. Does P nuda have smooth culms?

Bill

[zxylene]

I guess I'll post pics again in the spring of new shoots. I should have a bunch I would think as I have lots of rhizomes running all over and most of them look pretty thick.

[needmore]

In the meantime you could eliminate or confirm Yellow Groove, which is likely the most common bamboo in your area. See if any - particularly the newer, darker canes - have a yellow groove that 'switches' sides of the cane going up. Also, on the 'uprub' the canes will be rough. You may also see a few zig-zag culms here and there. If you can get a solid diameter measurement with calipers that would also be suggestive. Y Groove in your area could approach 2 inch diameter so it would probably be a good starting point.

[zxylene]

I have some yellow groove on the other side of my land I just got and planted. So it is not that. The noticeable differences are no yellow groove or yellow at all on the whole grove. The grove it came from has been happily growing for 20 years I am told. I went to it in May and non of the leaves were brown like the yellow groove gets. I will check the culm uprub tonight but if I remember correctly it is smooth all around not bumpy or hairy.

[zxylene]

On the culm up rub it does have fuzz or roughness.

[zxylene]

I was doing some reading around and found this page http://www.midatlanticbamboo.com/bamboo ... -ufs56.htm which says "Some clones will revert to P. a. pekinensis (all green culms) in mature groves" about yellow grove so it appears there is an all green Phyllostachys aureosulcata. That may be what it is.? I can't wait until spring.