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Geobotanically, Missouri belongs to the North American Atlantic region, and spans all three floristic provinces that make up the region: the state transitions from the deciduous forest of the Appalachian province to the grasslands of the North American Prairies province in the west and northwest, and the northward extension of the Mississippi embayment places the bootheel in the Atlantic and ...
It includes flora taxa that are native to Missouri. Taxa of the lowest rank are always included. Higher taxa are included only if endemic. For the purposes of this category, "Missouri" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions. That is, the geographic region is defined by its political boundaries.
Angiospermae; Scientific name Common name Family Conservation status Hardwoods; Aceraceae: maple family; Acer: maples; Acer amplum: broad maple Aceraceae (maple family) : Acer argutum
Chart illustrating leaf morphology terms. The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1]
Their typical flowers are catkins and often appear before leaves. In the past, the family was often divided into two families, Betulaceae ( Alnus , Betula ) and Corylaceae (the rest). Recent treatments, including the Angiosperm Phylogeny Group , have described these two groups as subfamilies within an expanded Betulaceae: Betuloideae and ...
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The alternate leaves are simple, pinnately veined, measuring 125–150 mm (5–6 in) long and wide. They have four lobes, and are heart-shaped or truncate or slightly wedge-shaped at base, entire, and the apex cut across at a shallow angle, making the upper part of the leaf look square; midrib and primary veins prominent.