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Potentilla simplex is a familiar plant with prostrate stems that root at nodes, with yellow flowers and 5-parted palmately pinnate leaves arising from stolons (runners) on separate stalks. Complete flowers bearing 5 yellow petals (about 4–10 mm long) bloom from March to June. It bears seed from April to July.
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] The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or ...
Geranium maculatum, an Ohio native, is a relative of the common bedding geranium (Pelargonium × hortorum). This list includes plants native and introduced to the state of Ohio, designated (N) and (I), respectively. Varieties and subspecies link to their parent species.
The central stem is green or reddish-purple, usually glaucus but can be slightly pubescent. The alternate leaves are ternately compound. The primary compound leaves are pinnately compound. The leaflets are rounded at the base and are either unlobed or with two to three lobes toward the outer edges.
Other botanists allow the term frond to also apply to the large leaves of cycads, as well as palms and various other flowering plants, such as mimosa or sumac. [ 4 ] [ 5 ] "Frond" is commonly used to identify a large, compound leaf, but if the term is used botanically to refer to the leaves of ferns and algae it may be applied to smaller and ...
paripinnate: pinnately compound leaves in which leaflets are borne in pairs along the rachis without a single terminal leaflet; also called "even-pinnate". imparipinnate: pinnately compound leaves in which there is a lone terminal leaflet rather than a terminal pair of leaflets; also called "odd-pinnate".
Rachis – main axis of a pinnately compound leaf. Sheath – the proximal portion of a grass leaf, usually surrounding the stem. Stipels – paired scales, spines, glands, or blade-like structures at the base of a petiolule. Stipules – paired scales, spines, glands, or blade-like structures at the base of a petiole. Stipuloid – resembling ...
Plants in the genus have pinnately compound, alternate leaves and whitish or grayish drupes. They are quite variable in appearance. They are quite variable in appearance. The leaves may have smooth, toothed, or lobed edges, and all three types of leaf edges may be present in a single plant.