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2025年 1 月 27 日 , 中国科学院西双版纳热带植物园 ( 以下简称 “版纳植物园” ) 陈江华研究员团队 在 Physiologia Plantarum 期刊上发表了一篇题为 Synergistic effects of GmLFYa and GmLFYb on Compound Leaf Development in Soybean 的 研究 论文,阐述 大豆复叶发育过程中, ...
Pinnately compound leaves have stems (petioles) that vary in length and connect the leaf to the tree twigs. The axil is the angle from the leaf's petiole connection to the first sub-leaf.
University of Guam Research Associate Benjamin Deloso examines a bi-pinnately compound leaf of Guam's flame tree. The endangered Serianthes nelsonii tree makes a leaf that uses this same design.
Poison ivy has compound leaves with three leaflets per leaf. The middle leaflet has a longer stalk than the two side leaflets, and there is often a red mark in the middle where they meet on the stem.
The analysis showed that deciduous trees, with compound leaves, small-to-medium canopy and round-to-oval shape are more tolerant to pollution.
Each leaf has 3 leaflets, hence the adage, “Leaves of three, let it be.” Another key identifying characteristic of poison ivy is that one side of a leaflet may have an irregularly toothed margin, ...
Poison ivy has a compound leaf made up of 3 leaflets which can be 1 to 4 inches long. The middle leaflet is the only one with a long stalk. Courtesy Johnson County Extension Just the mention of ...