Old leaf bases detach cleanly from the stem, except in A. hirsuta subsp. fosteriorum, which often has old leaf bases attached to the newer portions of the stem.
The old leaf bases may serve as protection or as food-storage organs.
Most fungus-farming ants simply forage for bits of old leaf or grass on the ground, however.
With what eagerness the scholars must hover over these layers of old leaf mold spread out here!
With what eagerness the scholars must hover over these layers of old leaf mold spread out here!—an eagerness perhaps not unmixed, at moments, with apprehension.
The cortex, or "bark," may be smooth or rough, and it is sometimes fiercely armed with spines or covered with old leaf bases.
Once, when he was looking at some Rembrandt etchings, the owner said he thought Picasso's staring, intense gaze would burn Rembrandt's lines off the paper, the way the sun's heat dries up the pattern of dark moisture on an old leaf.
About 100 years old, leaf area index of 1.4 to 7.7, 184 to 757 trees per ha.
(b) Zn- and Fe-sufficient roots (control); Zn-deficient roots (−Zn) and Fe-deficient roots (−Fe), (c) control roots, (d g) Zn-deficient roots, (h) medium vein of old control leaf, (i) medium vein of Zn-deficient newest mature leaf, (j) medium vein of Zn-deficient old leaf, (k) large vein of Zn-deficient old leaf.
Depsipeptides, 1962A and 1962B, were isolated from the fermentation broth of the mangrove endophytic fungus (No. 1962) isolated from an old leaf of Kandelia candel collected in Hong Kong.
To study gene expression by quantitative PCR, total RNAs were extracted from the 25 days old leaf of KASBL and K209 after treatment with water (mock) or BTH for 2 or 4 days.
