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With an opposite leaf arrangement, two leaves arise from the stem at the same level (at the same node), on opposite sides of the stem. An opposite leaf pair can be thought of as a whorl of two leaves. With an alternate (spiral) pattern, each leaf arises at a different point (node) on the stem. Distichous leaf arrangement in Clivia
The genus has a leaf arrangement that is termed as alternate-distichous and the leaves are asymmetric in shape. The flowers have two lips. The older genus Klugia had four stamens compared to the typical two but Klugia from southern India are found to be very close based on molecular evidence. [2]
Distichirhops is a genus of flowering plant belonging to the family Phyllanthaceae.The genus comprises 3 species, found in the secondary forests of New Guinea and Borneo.The taxon name comes from Greek (distichos meaning "in two rows" and rhopo meaning "shrub"), referring to its distichous leaf arrangement and shrubby habit.
The leaves are grey-green in colour, about 300 mm long and 40 mm wide, and have tiny teeth along the margins that are noticeable only on close inspection. Kumara plicatilis shares the unusual distichous arrangement of its leaves with its tiny stemless sister-species Kumara haemanthifolia , which occupies the same small mountainous corner of the ...
1. Referring to the arrangement of floral or foliar organs in a bud when each organ or segment has one edge overlapping the adjacent organ or segment; a form of imbricate arrangement. See contort. 2. (of leaves) A type of vernation in which one leaf is rolled up inside another. 3.
Each growth point bears a small number of compact, fleshy leaves, in two parallel, opposite rows (distichous leaf arrangement). The leaves of this species are thick, oval or rounded-elliptical, and ending in a slightly hunched "chin". The leaves also have clear margins and a pale waxy covering that can easily be rubbed off. This layer of white ...
The term distichous literally means two rows. Leaves in this arrangement may be alternate or opposite in their attachment. The term 2-ranked is equivalent. The terms tristichous and tetrastichous are sometimes encountered. For example, the "leaves" (actually microphylls) of most species of Selaginella are tetrastichous but not decussate.
It is also unusual in that its leaves are sometimes edged with tiny black teeth, unlike other Gasteria species. One variety has distichous leaves, while in another the leaves spiral. The inflorescences have pink flowers, and appear throughout the year, but mainly in Spring (between August and October).