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The best preserved and largest stand of D. cinnabari is on the limestone plateau named Rokeb di Firmihin. This approximately 540 hectares (1,300 acres) forest has numerous rare and endemic species. Research shows that in coming decades the number of trees in this forest will decrease due to the lack of natural regeneration. [11]
Cinnabar is the more stable form, and is a structure akin to that of HgO: each Hg center has two short Hg−S bonds (each 2.36 Å), and four longer Hg···S contacts (with 3.10, 3.10, 3.30 and 3.30 Å separations). In addition, HgS is found in a black, non-cinnabar polymorph (metacinnabar) that has the zincblende structure. [5]
Leaves and young shoots; edible raw or prepared as a green vegetable [39] Good-King-Henry: Chenopodium bonus-henricus: Most of Europe, West Asia and eastern North America: Young shoots (until early summer) and leaves (until August). The shoots can be cooked like asparagus, and the leaves like spinach. [40] Cogongrass Imperata cylindrica
Acaulescent – the leaves and inflorescence rise from the ground, and appear to have no stem. They are also known as rosette forms, some of the many conditions that result from very short internodes (i.e. close distances between nodes on the plant stem. See also radical, where leaves arise apparently without stems.
Scadoxus cinnabarinus has at most a very short pseudostem, making the plant shorter than other species, with an overall height of up to 60 cm (24 in). The flowers are borne on a scape (leafless stem) which emerges from the centre of the leaves and is usually not much taller than them, with a height of 15–40 cm (6–16 in).
The leaves are microphylls, each containing only a single vein and measuring less than 1 cm (0.4 inches) long. Two types of microphylls are formed, green trophophylls that cover most of the aerial shoots, and yellow to tan sporophylls that form the strobili, and contain the sporangia .
Some plants with a broader altitudinal range are found listed in their predominant habitat elevation. All the plant species listed are native to the Sierra's foothills, valleys, and mountains. In addition some are also endemic to here and elsewhere within California – (ca-endemic) ; and some are further endemic to and only found in the Sierra ...
The flower heads are seated or have a short stalk, and grow individually in species with large heads or with two to ten together in species with smaller heads, in the axils of the leaves near the end of the branches. The general shape of the heads is a flattened, round, egg- or cone-shaped sphere of 2–15 cm (0.79–5.91 in) in diameter.