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It is a shrub or bushy tree, sometimes reaching 12 metres tall and with a stem diameter of 40 cm. The trunk is short and crooked, bark being grey-brown, with bumps and irregularities. The branchlets are smooth, bluish grey with prominent leaf scars. Leaves are alternate, and round with a tip, 8 to 23 cm long, greyish or white on the underside.
The upper side of the leaves are glossy, while the underside is greyish. [5] Leaves occur in whorls of three to ten, with petioles 1–3 cm (0.4–1 in) long. The leathery leaves are narrowly obovate to very narrowly spathulate , with a cuneate base, and the apex is usually rounded and up to 23 cm (9.1 in) long by 8 cm (3.1 in) in width. [ 6 ]
Compound leaves may be pinnate with pinnae (leaflets) on both sides of a rachis (axis), or may be palmate with multiple leaflets arising from a single point. [1] Leaf structure is described by several terms that include: Bipinnate leaf anatomy with labels showing alternative usages A ternate compound leaf with a petiole but no rachis (or rachillae)
Imperfect or irregular leaf endings commonly found on ferns and fossils of ferns from the Carboniferous Period. aphyllous Leafless; having no leaves. [20] apical At or on the apex of a structure, usually a shoot, a stem, or the trunk of a tree, e.g. an apical meristem or an apical bud. apiculate especially of leaves, ending in a short ...
In most leaves, the primary photosynthetic tissue is the palisade mesophyll and is located on the upper side of the blade or lamina of the leaf, [1] but in some species, including the mature foliage of Eucalyptus, [5] palisade mesophyll is present on both sides and the leaves are said to be isobilateral.
Twitter user @SssnakeySci shared the image, followed by a hint in case you have trouble finding the serpent among the leaves.. The hidden snake, a copperhead, is extremely dangerous. "Cute but ...
Leaves may also be whorled if several leaves arise, or appear to arise, from the same level (at the same node) on a stem. Veronicastrum virginicum has whorls of leaves separated by long internodes. With an opposite leaf arrangement, two leaves arise from the stem at the same level (at the same node), on opposite sides of the stem. An opposite ...
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