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Some apply it to the leaflets of a pinna, especially the leaflets of bipinnate or tripinnate leaves. [7] Others also or alternatively apply it to second or third order divisions of a bipinnate or tripinnate leaf. [8] It is the ultimate free division (or leaflet) of a compound leaf, or a pinnate subdivision of a multipinnate leaf.
The leaf stems are mostly smooth, with only sparse, dark-brown or black scales. Both subspecies of Gymnosphaera capensis have a slender, erect trunk that is up to 4.5 metres (15 ft) tall (occasionally even 6 metres (20 ft)) and about 15 cm in diameter. [4] The fronds are tripinnate, born on long stipes (stalks), and 2–3
Cyanothamnus bipinnatus is an erect shrub that grows to a height of about 1 m (3.3 ft) with pimply, glandular stems and bipinnate or tripinnate leaves. The leaves are mostly 21–50 mm (0.83–2.0 in) long and 20–60 mm (0.79–2.4 in) wide in outline with between seven and eleven leaflets, on a petiole 4–15 mm (0.16–0.59 in) long.
The bandicoot berry is an evergreen shrub which usually grows to about 4 m (13 ft) high, but can occasionally be taller. [4] [5] It is a multistemmed plant with large tripinnate leaves measuring up to 1 m (3 ft 3 in) long, while the individual leaflets measure up to 21 cm (8.3 in) long by 9 cm (3.5 in) wide.
Like A. glaucifolia, its leaves are tripinnate, but the new fronds of A. celsa are scaleless; those of A. glaucifolia have red-brown scales. Alsophila borbonica (syn. Cyathea borbonica) is the only species with bipinnate fronds. [2] [3]
Two of my favorite spring plants, almost entirely based upon their progression from bud to leaf, are beech trees and false hellebore. Why the unfolding leaves of beech trees and other plants ...
Cyanothamnus inflexus is an erect, woody shrub that grows to a height of about 2 m (7 ft) and a width of about 3 m (10 ft). The leaves are pinnate, 6–25 mm (0.2–1 in) long and 6–35 mm (0.2–1 in) wide in outline on a petiole 3–10 mm (0.1–0.4 in) long.
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]