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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 ...
Like in all species of Leucadendron, the male and female flower heads are on different plants. [ 2 ] The male flower head may be yellow or burgundy red, is cone- or egg-shaped, 8–19 cm (3.1–7.5 in) long, hardly about 1 + 1 ⁄ 4 cm (0.49 in) across, subtended by an involucre of several leaves of about 1.9 cm (0.75 in) long that are often ...
The plant morphologist goes further, and discovers that the spines of cactus also share the same basic structure and development as leaves in other plants, and therefore cactus spines are homologous to leaves as well. This aspect of plant morphology overlaps with the study of plant evolution and paleobotany.
In common with most plants in genus Zingiber, the leaves of the plant are long and mostly oblong shaped, tapering to a single point at their tip. Under ideal circumstances, the plant can reach a height of 4.5 metres (15 ft), or even more. [5] The plant's inflorescence is set atop a spike and can measure up to 30 centimetres (12 in) in height.
Bladderworts are unusual and highly specialized plants, and the vegetative organs are not clearly separated into roots, leaves, and stems as in most other angiosperms. [5] Utricularia lack a root system. [6] [7] [8] Bladder traps are recognized as one of the most sophisticated structures in the plant kingdom. [2]
Rubus laciniatus is a deciduous, bramble-forming shrub growing to 3 meters (10 feet) tall, with prickly shoots. The leaves are palmately compound, with five leaflets, each divided into deeply toothed subleaflets with jagged, thorny tips.
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Baeckea frutescens is a shrub that typically grows to a height of up to 1 m (3 ft 3 in) and has arching branches. Its leaves are linear and often clustered on short side-branches, 4–10 mm (0.16–0.39 in) long and about 0.5 mm (0.020 in) wide on a petiole 0.5–0.6 mm (0.020–0.024 in) long.