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A susceptor is a material used for its ability to absorb electromagnetic energy and convert it to heat (which in some cases is re-emitted as infrared thermal radiation). The electromagnetic energy is typically radiofrequency or microwave radiation used in industrial heating processes.
Fremontodendron californicum is cultivated as an ornamental plant by specialty plant nurseries, for planting in native plant, drought tolerant, and wildlife gardens, and in natural landscaping and habitat restoration projects. [16] [17] Cultivated plants need good drainage, and no supplemental summer water when established.
Ceanothus is a genus of about 50–60 species of nitrogen-fixing shrubs and small trees in the buckthorn family (). [3] [4] [2] [5] Common names for members of this genus are buckbrush, California lilac, soap bush, or just ceanothus.
Which Southern California native plants survived climate change and mass extinctions 13,000 years ago and still live today? La Brea Tar Pits researchers compiled a list.
Heating packs can also be made by filling a container with a material that has a high specific heat capacity, which then gradually releases the heat over time. A hot water bottle is the most familiar example of this type of heating pad. A microwavable heating pad is a heating pad that is warmed by placing it in a microwave oven before use.
In 1993, The Jepson Manual estimated that California was home to 4,693 native species and 1,169 native subspecies or varieties, including 1,416 endemic species. A 2001 study by the California Native Plant Society estimated 6,300 native plants.
The Cahuilla of California also used this as a toothache reliever, [48] and to treat chest pain as well by heating the plant gum and applying it to the chest. [48] [49] Ephedra californica, used by the indigenous peoples of California. [50] Epigaea repens, see article for full information. Equisetum hyemale, used by some Plateau tribes.
Every year, Indigenous people set small low-intensity fires to manage the landscape and clean out low-lying brush — a process that magnified the yield of their plants for medicine and craft-making.