I noticed a lot of small twigs with leaves on them under my oak tree and became concerned about the oak. It is a large, ...

In the series presented here, recurring motifs of gates, doors and portals introduce a dynamic tension between the tangible ...

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness ...

The ‘Dead Tree’ in Delhi’s Lodhi Garden was more a cultural landmark, as iconic as its setting, than an arboreal presence.

A rare look at the earliest stage of a pin oak tree shows how an acorn develops roots and leaves. Learn how one seedling was identified, transplanted and its role in supporting local wildlife.

Oak leaf pocket gall shows up on the underside of a leaf as long, raised areas that follow the leaf veins and distort the leaves. Right now, the galls are soft and green but will eventually harden ...