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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)
The leaves are palmately compound, with 3-9 leaflets or it can be simple, leaves are deeply lobed when mature and tend to have a leathery glabrous to glabrescent upper surface, its young leaves tend to be tomentose; leaflets are 6-30 cm long and 2-18 cm wide. Leaflets are obovate to elliptical in outline, the margin is commonly entire to ...
Their leaves are typically grouped in umbrella-shaped arrangements at the tips of long erect branches. The leaves are carried on long petioles, and have conspicuous stipules. The leaves are very variable in shape, often palmately compound ( cf. subgenus Paniculata Strey ) [ 2 ] with leaflets likewise variable in shape, but also simple or palmate.
The leaves are palmately compound, composed of five leaflets (rarely three leaflets, particularly on younger vines, and sometimes seven) joined from a central point on the leafstalk, and range from 3 to 20 cm (1 to 8 in) (rarely to 30 cm or 12 in) across. The leaflets have a toothed margin. Seedlings have heart-shaped cotyledon leaves.
Palmately compound leaf of hemp. A leaflet (occasionally called foliole) in botany is a leaf-like part of a compound leaf. [1] Though it resembles an entire leaf, a leaflet is not borne on a main plant stem or branch, as a leaf is, but rather on a petiole or a branch of the leaf. [2]
Composed of several parts, e.g. a leaf composed of multiple leaflet s, a gynoecium composed of multiple carpel s, or an inflorescence made up of multiple smaller inflorescences. compound palmate Having leaflet s that radiate from a central point (usually at the top of a petiole), like spread-out fingers radiating from the palm of a hand ...
Cultivars are chosen for phenotypical aspects such as leaf shape and size (shallowly to deeply lobed, some also palmately compound), leaf color (ranging from chartreuse through dark green or from orange to red, to dark purple, others variegated with various patterns of white and pink), bark texture and color, and growth pattern. Most cultivars ...
Because each leaflet can appear to be a simple leaf, it is important to recognize where the petiole occurs to identify a compound leaf. Compound leaves are a characteristic of some families of higher plants, such as the Fabaceae. The middle vein of a compound leaf or a frond, when it is present, is called a rachis. Palmately compound