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The leaves are simple, pinnate, or bipinnate, and arranged in opposite pairs. The flowers are produced in a capitulum with a ring of broad ray florets and a center of disc florets; flower color varies noticeably between the different species.
The leaves are arranged alternately along the stems and are simple or pinnate. The flowers have three to seven sepals but that fall of as the flowers mature, but no petals. There are six to sixteen stamens (except in female flowers), the filaments shorter than the anthers, the style is threadlike and the ovary in female flowers has two to six ...
A modified leaf associated with a flower or inflorescence and differing in shape, size, or color from other leaves (and without an axillary bud). bracteate Possessing bract s. bracteole A small bract borne singly or in pairs on the pedicel or calyx; synonymous with bractlet. bracteolate Possessing bracteole s (bractlets). bracteose Having many ...
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]
The leaves are alternate and are a shiny dark green on top and light brown on the bottom. They are simple leaf types with pinnate venation. The leaves are ovate and range in length from 3 to 11 cm (1.2 to 4.3 in). The breadth of the leaves ranges from 2 to 5 cm (0.79 to 1.97 in). The leaves are evergreen so they are present year round.
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:
Astragalus bisulcatus is a herbaceous perennial with a thick woody root-stock, growing 30 to 100 cm tall. [4] It has numerous simple stems and long pinnate leaves. The flowers are produced in narrow elongated racemes.
The three leaflets on the pinnate leaves are similar to each other, 3–10 mm (0.1–0.4 in) long and 1–1.5 mm (0.04–0.06 in) wide. The flowers are pale to deep pink and are usually arranged singly in leaf axils near the end of the branches on a pedicel 2–13 mm (0.08–0.5 in) long.