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Leaves have rounded lobes - white oaks, sassafras, mulberry ... Leaves have pointed lobes - red oaks, sycamore, sweet gum, holly, tulip-poplar ... Leaves have no lobes...
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www.fw.vt.edu/dendro/forsite/key/simple.htm
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Mockernut Hickory's compound leaves are 8- 20" long, and the leaflets are 2" to 8" long. Notice the nine leaflets (sometimes there are seven). ... The Black Walnut's compound leaves are 12-24" long, with 9-21 leaflets that are 2.5-5" long. The crushed leaflets give off a spicy smell.
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www.watersheds.org/nature/compound.htm
www.watersheds.org/nature/compound.htm
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Leaf - Wikipedia, the free encyclopedia
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In botany, a leaf is an above-ground plant organ specialized for photosynthesis. For this purpose, a leaf is typically flat (laminar) and thin. There is continued debate about whether the flatness o...
en.wikipedia.org/wiki/Leaf
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A minority of trees have compound leaves, i.e., multiple leaflets on a single leaf stem, giving many species a feathery beauty and the student means of identification. ... Compound leaves can be either pinnate, or feather-compound, with leaflets lining the two sides of the stem, or, less commonly, palmate, or fan-compound,
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botany.suite101.com/article.cfm/trees_with_compound_lea...
botany.suite101.com/article.cfm/trees_with_compound_leaves
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Note: Simple leaves have a single blade that is attached to the stem, usually by a petiole. Compound leaves have a blade that is divided into leaflets. In compound leaves, the leaflets are attached to a petiole-like midrib, which, in turn, is attached to the stem.
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www.voyageur.drake.edu/Wacha/leaf_types.html
www.voyageur.drake.edu/Wacha/leaf_types.html
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A compound leaf consists of several, separated segments called leaflets. The leaflets are usually grouped in pairs around the elongated rhachis that corresponds to the midrib of a normal leaf. ... Imparipinnate: Several paired leaflets with an unpaired terminal central leaflet (example to the left: rose) ; Trifoliolate:
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www.biologie.uni-hamburg.de/b-online/e02/composed.htm
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; Pinnate (odd): Leaflets are attached along an extension of the petiole called a rachis; there is a terminal leaflet and therefore an odd number of leaflets. Twice pinnate: The leaflets are also divided ... Petiole: The stalk of a leaf. Leaflet: One of the parts of a compound leaf, leaflets do NOT have axillary buds.
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www.amnh.org/learn/biodiversity_counts/ident_help/Parts...
www.amnh.org/learn/biodiversity_counts/ident_help/Parts_Plants/types_of_compound_leaves.htm
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Leaves of three let it be! The leaves of poison ivy (Rhus radicans) are compound leaves made up of three leaflets ... Avoid touching the leaves. Dispose of the plants in a plastic bag so they will not be touched by others. All parts of the plant are toxic. NEVER BURN THE PLANTS. The fumes are as toxic as touching the plant...
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www.mobot.org/gardeninghelp/plantfinder/IPM.asp?code=97...
www.mobot.org/gardeninghelp/plantfinder/IPM.asp?code=97&group=71&level=s
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Recent work on species with simple leaves suggests that the contact of lower and upper cells in leaf primordia is necessary. But how leaf symmetry affects leaflet formation in species with compound leaves is largely unknown. ... Location: Plant Gene Expression Center Albany_CA ... Minsung, Kim - UC DAVIS CA PLANT BIOL...
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www.ars.usda.gov/research/publications/publications.htm...
www.ars.usda.gov/research/publications/publications.htm?seq_no_115=152917
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