Category: Mars
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Rubia tinctorum aka rose madder, common madder, dyer’s madder
Rubia tinctorum, the rose madder or common madder or dyer’s madder, is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiacea. Description The common madder can grow up to 1.5 m in height. The evergreen leaves are approximately 5–10 cm long and 2–3 cm broad, produced in whorls of 4–7 starlike around the central stem. It climbs with tiny hooks at the leaves and stems. The flowers are small…
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Mummified wood
Mummified wood are fossils of wood that have not permineralized. They are formed when trees are buried rapidly in dry cold or hot environments. They are valued in paleobotany because they retain original cells and tissues capable of being examined with the same techniques used with extant plants in dendrology. The most important conditions required for mummification are…
