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The compact growth form of cushion plants reduces air flow over the surface of the epidermis, reducing the rate of water loss. Additionally, many cushion plants have small and fleshy leaves which reduce the surface area of the plant, which reduces transpiration and conserves water. In alpine environments well above the tree line, cold is a ...
Raoulia rubra is a cushion plant belonging to the family Asteraceae and is found in the mountains of southern North Island and northern South Island, New Zealand. Its common name is scabweed. Although the whitish cushion can be two feet (60 cm ) wide it is only 25 mm (one inch) thick and looks like a lichen. The scattered tiny flowers are red. [1]
Cold-treated or wild and winter-collected seed will germinate indoors. The seed and leaves are high in lipids. It is a small cushion-forming evergreen perennial shrub, up to 15 centimetres (6 in) in height, and can trap heat in the dome. [5] It has oval blunt leathery toothless leaves, up to 1 cm (0.4 in) long, which are arranged in dense rosettes.
Yareta is an evergreen perennial with a low, mat-like shape and hemispherical growth form that grows to around 6 m (20 ft) in diameter. [3] The self-fertile, pink or lavender flowers are hermaphroditic and are primarily pollinated by small flies in the order Diptera, as well as a variety of other small insect species, including bees, wasps, and moths.
Colobanthus muscoides is a low-growing, moss-like flowering cushion plant in the family Caryophyllaceae, found on islands in the south-western Pacific Ocean, especially in the subantarctic region. The specific epithet comes from the Latin muscus (moss) and -oides (resembling), with reference to its growth habit.
The leaves measure to be 2-4mm long and 0.9-1.2mm wide. It can have white flowers which grow at the end of stems which are 0.2-2mm long. It generally flowers or fruits from October to May. [3] S. archeri can be distinguished from Schizacme montana and other cushion plants by its leaves.
Plants of O. muscosa have been called "casepitose hemicryptophytes", [10] and may be found growing on or with cushion plants [11] such as Distichia or Pycnophyllum [3] or Plantago rigida. [10] This species is often found in habitats with deep peat soils [12] and is one of several diagnostic or indicator species of upper humid superpáramo ...
Donatia fascicularis is a species of cushion plant in the family Donatiaceae and is closely related to species in the family Stylidiaceae. It is found in the alpine and subalpine regions of western Patagonia and Tierra del Fuego. It is the type species of the genus Donatia J.R. Forst. & G. Forst.