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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 ...
It is a lithophytic cushion plant native to South Island, New Zealand, It is curious for two reasons: It has green flowers, and the roots are fully exposed to the air and of a weeping habit. [ 1 ] References
This undulating mat of mixed species is referred to as mosaic cushion heath. [4] The leaves of D. minimum are bright green and sessile, with reddish tips and a broad sheathing base as long as the blade, approx 3 to 4 mm (0.12 to 0.16 in). [4] The flowers are small, solitary, white, and tubular, sitting directly on top of the foliage. [5]
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.
The olive green leaves are 1 - 3 by 0.3 - 0.8 mm and are contained within 1.5 - 3 by 1.5 - 3 light green sheathes. On the front third of the narrow leaves are tiny teeth, with 5 - 10 per cm. Flowering occurs from December to May, producing small white flowers, each on a sessile terminal inflorescence. The flowers are made up of oval-shaped 1.5 ...
Phlox family (Polemoniaceae) perennials include dwarf phlox, or cushion phlox (Phlox condensata), which forms dense cushions plant with tiny branchlets only 1 inch (0.025 m) long, tiny leaves only 0.2 inches (0.0051 m) long and well adapted to resist the high winds, and flowers forming a nearly solid floral blanket of the underlying plant.
The large mat is commonly interspersed with other cushion plant species such as Dracophyllum minimum and Donatia novae-zelandiae. [2] The leaves are bright green, thick, crowded and sheathing from the base to a pointed tip with a single fine hair, the blades 2 millimetres (1 ⁄ 8 in) long. [3] Flowering occurs from December–February.
Moss campion is a low, ground-hugging plant. It may seem densely matted and moss-like. [4] The dense cushions are up to a foot or more in diameter. The bright green leaves are narrow, arising from the base of the plant. The dead leaves from the previous season persist for years, and pink flowers are borne singly on short stalks that may be up ...