Attenuate a tapering base with concave margins that form an angle less than ( <) 45 degrees. ... Cordate a base with prominent, rounded lobes, cut ? to ¼ of the distance to the centre of the leaf blade.
www.northernontarioflora.ca/leaf_bases.cfm www.northernontarioflora.ca/leaf_bases.cfm
Bilateral symmetry is typical. However, when the leaf shows asymmetry at the base this is known as an oblique leaf base. Terms dealing whit the shape of the base of a leaf: ... Leaves bases vary greatly from plant to plant and are useful in classification and identification.
www.cactus-art.biz/note-book/Dictionary/Dictionary_L/di... www.cactus-art.biz/note-book/Dictionary/Dictionary_L/dictionary_leaf_base.htm
Biology - Structure: Leaves. Leaf Bases. Be aware that variation exists among cultivars and individual plants within the same species. ...
hcs.osu.edu/hort/biology/Lab/leafbases.html hcs.osu.edu/hort/biology/Lab/leafbases.html
Leaf Tips ... Leaf margins ... Leaf attachment...
www.hcs.ohio-state.edu/hcs300/glossary/leafpart.htm www.hcs.ohio-state.edu/hcs300/glossary/leafpart.htm
; Biology - Structure: Leaves ... Be aware that variation exists among cultivars and individual plants within the same species. ... cuneate wedge-shaped, narrowly triangular; Nyssa sylvatica...
www.hcs.ohio-state.edu/hort/biology/Lab/leafbases.html www.hcs.ohio-state.edu/hort/biology/Lab/leafbases.html
Image: Leaf bases ... ; Click on the picture to zoom in on that part of the picture. Click here for high resolution image. ... The server, the setup, the scripts, and the upkeep are mainly the doing of Seth Price.
botit.botany.wisc.edu/images/402/Reference_Images/Tsuga... botit.botany.wisc.edu/images/402/Reference_Images/Tsuga_canadensis/Leaf_bases.html
In the present work, the asymmetric distribution not only of auxin, but also that of gibberellins (GAs), was observed in rice leaf sheath bases following gravistimulation. Gravistimulation induced the transient accumulation of greater amounts of both IAA and GA in the lower halves of the leaf sheath bases of rice seedlings.
jxb.oxfordjournals.org/cgi/content/full/56/415/1327
Return to Palm Problems KEY ... Gliocladium blight (Fig. 22)
flrec.ifas.ufl.edu/palm_prod/palm_problems_leaf_bases.s... flrec.ifas.ufl.edu/palm_prod/palm_problems_leaf_bases.shtml
Gummy exudates (“bleeding”) from multiple small 5 to 8 mm (1/5 to 1/3 inch) wounds in palm leaf bases; galleries in leaf petioles ... Return to Palm Problems KEY ... silky cane weevil damage (Metamasius ) (Fig. 39)
flrec.ifas.ufl.edu/palm_prod/palm_problems_gummy_exudat... flrec.ifas.ufl.edu/palm_prod/palm_problems_gummy_exudates.shtml
ONLINE IMAGE COLLECTION ... About the Image ... Image Title: Vegetative propagation of Venus' flytrap from leaf bases...
www.botany.org/plantimages/ImageData.asp?IDN=08-066h