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Guaiacum angustifolium is a species of flowering plant in the caltrop family, Zygophyllaceae. Common names include Texas guaiacum, Texas lignum-vitae, soapbush and huayacán. It is native to southern and western Texas [4] in the United States and northern Mexico. [3]
Leucophyta brownii is a small, rounded shrub with tangled tomentose branchlets that give it a silvery appearance. [7] Although it can grow up to a metre high, it is more usually 0.2 to 0.7 metres high. [8] It produces flowers during summer (December to February in Australia), which are white-yellow globular heads and about 1 cm in diameter. [9]
Scleranthus annuus L. – German-knotweed, knawel or annual knawel, native to Africa, Europe, Asia and naturalised elsewhere. Scleranthus biflorus (J.R.Forst. & G.Forst.) Hook.f. – knawel, cushion-bush or two-flowered knawel, native to Australia and New Zealand; Scleranthus brockiei P.A.Will. – native to Australia and New Zealand ...
Scleranthus biflorus is a cushion-bush found in Australia and New Zealand. Other common names include the knawel and two-flowered knawel or twin-flower knawel. [1] A common plant in grassland, particularly at higher altitudes. It may be in the form of a mat. Or a multi branched, spreading perennial herb.
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 ...
Leucophyllum frutescens is an evergreen shrub in the figwort family, Scrophulariaceae, native to the U.S. state of Texas, where it is the official "State Native Shrub of Texas", [2] and to the states of Coahuila, Nuevo León, and Tamaulipas in northern Mexico.
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Ziziphus obtusifolia is a shrub with many branches forming a thorny tangle which may exceed 3 metres (9.8 ft) tall and approach 4 metres (13 ft) at times. The leaves are deciduous and are absent for much of the year, leaving the shrub a naked thicket of gray twigs coated in waxy whitish hairs. The ends of the twigs taper into sharp-tipped thorns.