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Dendrology (Ancient Greek: δένδρον, dendron, "tree"; and Ancient Greek: -λογία, -logia, science of or study of) or xylology (Ancient Greek: ξύλον, ksulon, "wood") is the science and study of woody plants (trees, shrubs, and lianas), specifically, their taxonomic classifications. [1]
empress tree; princess tree; foxglove tree; paulownia Bignoniaceae (trumpet creeper family) 712 Radermachera: radermachera trees ; Radermachera sinica: China doll tree; serpent tree Bignoniaceae (trumpet creeper family) Spathodea: spathodea trees ; Spathodea campanulata: African tulip tree Bignoniaceae (trumpet creeper family) Tabebuia: trumpet ...
Being one of the more visible features, leaf shape is commonly used for plant identification. Similar terms are used for other plant parts, such as petals, tepals, and bracts. Oddly pinnate, pinnatifid leaves (Coriandrum sativum, coriander or cilantro) Partial chlorosis revealing palmate venation in simple leaves of Hibiscus mutabilis
As the tree grows the bark becomes darker and cracks into slightly raised long plates. [7] The largest known living red maple is located near Armada, Michigan, at a height of 38.1 m (125 ft) and a bole circumference, at breast height, of 4.95 m (16 ft 3 in). [8] Leaves on a branchlet from a specimen in northern Florida
The leaves are in two distinct rows; they have pinnate venation and each vein extends to the leaf margin, where it terminates in a tooth. There are two stipules at each node, though these are caducous (shed early), leaving a pair of scars at the leaf base. Zelkova is polygamous.
The Canadian flora is depauperate because of the near total glaciation event in the Pleistocene. Due to the vast area of Canada, a tree that is common in one area may be completely absent in another. In particular, many warm-temperate trees can only be grown on the mild Pacific coast (where gardens may contain additional species not listed here).
Prickly-ash, Toothache-tree: Limited to a few counties in the Piedmont and upper Coastal Plain: Least Concern: Rutaceae: Zanthoxylum clava-herculis L. [1]: 164–165 Hercules'-club, Toothache-tree: Restricted to coastal counties and Southwest Georgia. Least Concern: Anacardiaceae: Cotinus obovatus Raf. [1]: 166–167 Smoketree
The upper surface of the leaf is a shiny deep green, and the lower is yellowish-brown. There are also stellate hairs on the underside of the leaf that grow in clumps. [5] Some key characteristics for identification include that leaves grown in the sun have very deep U-shaped sinuses and that the buds are velvety and covered in white hairs. [5] [6]