Bamboo with horizontal stripes

[asnor69]

In my search for bug resistant bamboo, I have found this bamboo. Can anybody identify this species?

Bamboo with Horizontal stripes
http://www.bamboocraft.net/bamboo/data/534/thumbs/More_Branches.JPG See photo (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2672&cat=534&ppuser=1331) http://www.bamboocraft.net/bamboo/data/534/thumbs/Branches.JPG See photo (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2671&cat=534&ppuser=1331) http://www.bamboocraft.net/bamboo/data/534/thumbs/Young_and_mature.JPG See photo (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2670&cat=534&ppuser=1331)

http://www.bamboocraft.net/bamboo/data/534/thumbs/The_Sheath.JPG See photo (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2669&cat=534&ppuser=1331) http://www.bamboocraft.net/bamboo/data/534/thumbs/The_Shoot.JPG See photo (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2668&cat=534&ppuser=1331) http://www.bamboocraft.net/bamboo/data/534/thumbs/The_Stripes.JPG See photo (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2667&cat=534&ppuser=1331)

One common finding around the grooves, dried bamboo close to the grove has no Powder Post Beetle in them. One of my mini gazebos used to have PPB on them. However, one lovely child has spilt a cup of sweet drinks on them and ants started inhabiting the item. Suprisingly, there was no yellow powder after that. Ants also found around most groves. Who knows, we might have stumbled into PPB's biological enemy as a solution to our PPB problem.

[Mark Meckes]

Do you have any close up pics of the new shoots and the sheath parts?

The prominent white banding at the node, and shape of the nodal ridge and sheath scar could provide a clue of species ID (see below) ...

Wish I knew more about tropical bamboos, but I'm eager to learn!

I have several Bambusa species and at different occasions have noticed this cross striping culms on them, sometimes very subtle, other times very obvious.

I am wondering if this is similar to the horizontal growth lines visible on one's finger nails (at least I see them on my fingernails).
In other words, could this have something to do with growth marks as the shoots emerges?
Could one band signify 1 day / or one timeframe of elongated growth?

See Bambusa examples of horizontal stripes ...

Bambusa oldhamii - Jan 6, 2006 Austin Texas USA
Horizontal powdery white stripes on new culms fading to two shades of green, also showing on the dried culms.

http://www.bamboocraft.net/bamboo/data/505/thumbs/BoldAuTX060116-272.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2777) http://www.bamboocraft.net/bamboo/data/505/thumbs/BoldAuTX060116-271.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2776) http://www.bamboocraft.net/bamboo/data/505/thumbs/BoldAuTX060116-270.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2775) http://www.bamboocraft.net/bamboo/data/505/thumbs/BoldAuTX060116-275.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2774)

Bambusa multiplex 'Alphonse Karr' - August 2005, Austin TX USA
Some new shoots exhibit a reddish color which fades as the culm grows, leaving a trace of pigment as horizontal bandings.

http://www.bamboocraft.net/bamboo/data/569/thumbs/BmAKarr-050728-852.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=1286) http://www.bamboocraft.net/bamboo/data/569/thumbs/BmAKarr-050728-853.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=1287)

Bambusa lako - August 2005, Sth Texas USA - by bubbaboo

http://www.bamboocraft.net/bamboo/data/634/thumbs/Lako_August_2005.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2180)


Do any other tropical bamboo Genera also exhibit these horizontal stripes?

I do not remember observing this on temperate - cooler climate bamboo like Phyllostachys ...

Mark

[asnor69]

Upon rechecking at the groves, the characteristics are similar to the wild groves I have here. It looks like I have about 12 acres of Bambusa Oldhamii groves. The groves grow in the wild. Thanks Mark Meckes for helping me identifying the bamboo with inter culm horizontal stripes.

[Mark Meckes]

Thanks again for posting about this! Very intriguing ...
Please do show us more pics if you have can.

Could it be another Bambusa species? I'm not convinced! ;)

The white band and characteristics of the nodes appear different, more pronounced.
Your bamboo
http://www.bamboocraft.net/bamboo/data/534/thumbs/Young_and_mature.JPG (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2670) http://www.bamboocraft.net/bamboo/data/534/thumbs/The_Stripes.JPG (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2667)

Check out these photos (http://ranchocalypso.com/CBambu/) by Calypsa ... from this post - Bambusa oldhamii - Veracruza Mexico (http://www.bamboocraft.net/forums/showthread.php?t=1719)

The culms of your bamboo seem to be more wider spaced.

The big question is...
Do these horizontal stripes occur on other bamboo Genera or only on Bambusa species?

Mark

[asnor69]

Dear Mark,

The wide spaced culms photo was taken from a frequently cut grove so that the characteristics are more visible. Usually this type grows in a tight grove. As for the white separator, I do nt know, it seems that it is very clear in young and old culms. Even in the wild grove. I even tried to plant it in my backyard, it died. However, in the shortlived period, the new shoots do have the stripes and even more visible in dried culms.

[Mark Meckes]

Hi asnor,

Maybe horizontal stripes also occur in the genus Dendrocalamus (??)

See the young culm in this picture:

Dendrocalamus giganteus - Fairchild Tropical Gardens, Miami FL USA
http://www.bamboocraft.net/bamboo/data/524/thumbs/DgigFTG031020b-246.jpg (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2697)

In the following picture of your bamboo in question there appears to be some roots growing from the above ground nodes:
http://www.bamboocraft.net/bamboo/data/534/thumbs/The_Shoot.JPG (http://www.bamboocraft.net/bamboo/showphoto.php?photo=2668)

Therefore is your bamboo Dendrocalamus Hamiltonii ?

See this photo of a Dendrocalamus hamiltonii culm node (http://www.bambootech.org/Img/dendrocalamus-hamiltonii_f.jpg) at bambootech.org - National Mission on Bamboo Applications (http://www.bambootech.org/index.asp)

See Photo and description of Dendrocalamus hamiltonii (http://www.inbar.int/publication/txt/tr17/Dendrocalamus/hamiltonii.htm) at INBAR

Quote from article ...
The distinguishing features of this species are brown pubescent culm with bent top in mature culms, root verticils are seen in almost all the nodes of the culm; largely broad ovate branch buds; zig-zag internodes in some culms (Alam, 1982)

Also see pics at Bamboo Flora of Dendrocalamus hamiltonii (http://www.bamboocraft.net/bamboo/showgallery.php?cat=684)

[asnor69]

Thanks Mark. Got to check again. Will bear in mind your comments as well as the descriptions in all the references.

One thing though, there is a visible black border on the sheath of the DH photo supplied. I'll check again with the grove. I'll get a bigger sample this time.

Till then..... Domo arigato.