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The epicuticular wax produced by Dudleya brittonii has the highest ultraviolet light (UV) reflectivity of any known naturally occurring biological substance. Epicuticular wax is a waxy coating which covers the outer surface of the plant cuticle in land plants. It may form a whitish film or bloom on leaves, fruits and other plant organs.
Water beads on the waxy cuticle of kale leaves. A plant cuticle is a protecting film covering the outermost skin layer of leaves, young shoots and other aerial plant organs (aerial here meaning all plant parts not embedded in soil or other substrate) that have no periderm. The film consists of lipid and hydrocarbon polymers infused with wax ...
(of a compound leaf) Having precisely two leaflet s, usually in a symmetrical pair, e.g. a leaf of Colophospermum mopane. Compare jugate lobed leaf, e.g. most species of Bauhinia. bifusiform Fusiform with a pinch in the middle. bilabiate Having two lips, e.g. the form of the petal s in many irregular flowers. bilateral 1.
Ligustrum lucidum, the broad-leaf privet, [2] Chinese privet, [3] glossy privet, [4] tree privet [5] or wax-leaf privet, is a species of flowering plant in the olive family Oleaceae, native to the southern half of China and naturalized in many places. [6] The name "Chinese privet" is also used for Ligustrum sinense.
Leaves of most plants include a flat structure called the blade or lamina supported by a network of veins, a petiole and a leaf base; [1] but not all leaves are flat, some are cylindrical. [ citation needed ] Leaves may be simple, with a single leaf blade, or compound, with several leaflets .
Leaf Base Shape: Semiamplexicaul – the leaf base wraps around the stem, but not completely. Leaf Blade Apex: Acuminate – narrowing to a point (a term used for other structures, too). Acute – with a sharp, rather abrupt ending-point. Acutifolius – with acute leaves. Attenuate – tapering gradually to a narrow end. Leaf Blade Margins:
In many species with spirally arranged leaves, such as Abies grandis (pictured), the leaf bases are twisted to present the leaves in a very flat plane for maximum light capture. Leaf size varies from 2 mm in many scale-leaved species, up to 400 mm long in the needles of some pines (e.g. Apache pine, Pinus engelmannii ).
Ligustrum japonicum, known as wax-leaf privet [1] or Japanese privet (Japanese: ネズミモチ) is a species of Ligustrum (privet) native to central and southern Japan (Honshū, Shikoku, Kyūshū, Okinawa) and Korea. [2] It is widely cultivated in other regions, and is naturalized in California and in the southeastern United States from Texas ...