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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]
Macroptilium atropurpureum, commonly referred to as purple bush-bean, [2] or siratro is a perennial legume recognized by its climbing, dense, green vines and deep purple flowers. [3] The plant is indigenous to the tropical and subtropical regions of North, Central, and South America, as far north as Texas in the USA and as far south as Peru and ...
Prostrate – lying flat on the ground, leaves, stems or even flowers in some species. Repent – creeping. Rosette – cluster of leaves with very short internodes that are crowded together, normally on the surface of the soil but sometimes higher on the stem. Rostellate – like a rosette (cf. rostellum). Rosulate – arranged into a rosette.
(of a compound leaf) Having precisely two leaflet s, usually in a symmetrical pair, e.g. a leaf of Colophospermum mopane. Compare jugate lobed leaf, e.g. most species of Bauhinia. bifusiform Fusiform with a pinch in the middle. bilabiate Having two lips, e.g. the form of the petal s in many irregular flowers. bilateral 1.
The leaf sheaths are thin and translucent, 8 to 12 mm long and 5 to 8 mm wide, at the mouth they are long, otherwise glabrous or slightly hairy. Tradescantia zebrina leaves. The low-lying, slightly succulent, perennial, herbaceous plant often forms dense mats or colonies. This is done primarily by natural formation of taproots.
Spreading, mat-forming perennial herb up to 30 cm in height. Has rounded stems up to 40 cm long, rooting at nodes and with the flowering stems ascending. Leaves are fleshy, hairy, 4–9 cm long and 2–5 cm wide, serrate or irregularly toothed, normally with pairs of lateral lobes, and dark green above and lighter green below.
A rosette of leaves at the base of a dandelion Rosette growth form of the liverwort Ricciocarpos natans. In botany, a rosette is a circular arrangement of leaves or of structures resembling leaves. In flowering plants, rosettes usually sit near the soil, but they can also be at the top of an otherwise naked branch or trunk.
The largest leaves are lateral, the free portion appressed to spreading, and the leaves on the upper surface are appressed and are more narrow. The stems spread horizontally above ground or just below the surface of the duff layer. The erect shoots each contain two or more branches near the base.