The Biosphere Blog

This earlier post described the four branch types peculiar to jujube trees: primary (extension) branches, secondary (non-extension) branches, fruiting mother branches, and fruiting branchlets. Also mentioned were the two bud types, main and secondary,… more »

Around 7pm the other evening I was perusing my trees, and — as I often do, gently pulled down a fruiting branchlet above to look more closely with my loupe at the flowers and developing fruits along it. To my absolute horror it came away in my hand! I… more »

Anthesis is the period or action of a flower opening, and this post will document two Ta-Jan flowers doing exactly that. Firstly, a refresher on the parts of a jujube flower to make this easier to follow along:     Stamens and anthers are mentioned a… more »

Back here were lots of pretty pictures of jujube flowers, but not exactly much in the way of information as to what you were looking at. As with that week, this week is another time-poor one I’m afraid. But while this post will also be… more »

This week I thought I’d follow up on the last paragraph of this older post that had been getting some recent attention, as well as my comment under that post. Fig. 1 below is the very same Lang referred to. This photo was taken on 19th October… more »

Rather than a post last week, we had threee guest comments under this older post — direct links are here, here and here — and a big thank you to Adrian and Airlie for sharing their experiences! I stupidly didn’t actually post those links publicly… more »

This post complements last week’s post on a Photo Journal of a Young Jujube Tree Coming Out of Dormancy, by getting up closer on the buds themselves as they come into life. The photographs below show a cluster of terminal (tip, end) buds on a… more »

All tree orders for this winter 2019 had been received by Tuesday 20th August, six weeks ago today. While these were being sent out, I deliberately kept a few over in the exact same conditions as those that were being shipped, ie packed in wood shavings… more »

The tree we know as Ziziphus jujuba Mill. is native to China, and originated in the middle to lower reaches of the Yellow River [Huáng Hé 黄河 (simplified Chinese) 黃河 (traditional Chinese)]: The tree has been cultivated for over 4,000 years and over 800… more »