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The hard, green leaves are set alternately along the branches, more or less directed upwards, oval or heart-shaped with an entire margin near the flowers and bluntly oblong and with up to six bony teeth at the tip lower down, 2–8 cm (0.79–3.15 in) long and 2–4½ cm (0.8–1.8 in) wide, softly hairy at first, becoming hairless.
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]
The leaves are alternately set along the stem, distanced and slightly pointing towards the tip of the branch or overlapping, mostly without, sometimes with a leaf stalk but always without stipules at their base, 1½–14 cm (0.6–5.6 in) long and linear, elliptic, oblanceolate, oval, inverted egg-shaped or spade-shaped, the edge entire or with ...
Pycnoporus is a genus of fungi in the family Polyporaceae.This genus is distinguished from most other polypores because of its brilliant red-orange color. Modern mycology recognizes five distinct species of Pycnoporus: the type P. cinnabarinus, P. coccineus, P. palibini, P. puniceus, and P. sanguineus.
Its leaves are found only at the end of its youngest branches; its leaves are all shed every three or four years as new leaves simultaneously mature. Branching tends to occur when the growth of the terminal bud is stopped, through either flowering or traumatic events (e.g. herbivory).
The last inspection of the Hastings Mine occurred in 1997 and found only slight erosion of the considerable mine tailings; however the tailings exceed 10,000 cubic yards (7,600 m 3) of material, or one of the largest cinnabar tailings in the state of California.
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The plants usually have underground rhizomes or tubers. The leaves are arranged in two rows with the petioles having a sheathing base. The leaf blade is narrow or broad with pinnate veins running parallel to the midrib. The petiole may be winged, and swollen into a pulvinus at the base. [citation needed]