Definition of quercitron oak. Meaning of quercitron oak. Synonyms of quercitron oak

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Definition of quercitron oak

quercitron oak
Oak Oak ([=o]k), n. [OE. oke, ok, ak, AS. [=a]c; akin to D. eik, G. eiche, OHG. eih, Icel. eik, Sw. ek, Dan. eeg.] 1. (Bot.) Any tree or shrub of the genus Quercus. The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Africa. Many of the oaks form forest trees of grand proportions and live many centuries. The wood is usually hard and tough, and provided with conspicuous medullary rays, forming the silver grain. 2. The strong wood or timber of the oak. Note: Among the true oaks in America are: Barren oak, or Black-jack, Q. nigra. Basket oak, Q. Michauxii. Black oak, Q. tinctoria; -- called also yellow or quercitron oak. Bur oak (see under Bur.), Q. macrocarpa; -- called also over-cup or mossy-cup oak. Chestnut oak, Q. Prinus and Q. densiflora. Chinquapin oak (see under Chinquapin), Q. prinoides. Coast live oak, Q. agrifolia, of California; -- also called enceno. Live oak (see under Live), Q. virens, the best of all for shipbuilding; also, Q. Chrysolepis, of California. Pin oak. Same as Swamp oak. Post oak, Q. obtusifolia. Red oak, Q. rubra. Scarlet oak, Q. coccinea. Scrub oak, Q. ilicifolia, Q. undulata, etc. Shingle oak, Q. imbricaria. Spanish oak, Q. falcata. Swamp Spanish oak, or Pin oak, Q. palustris. Swamp white oak, Q. bicolor. Water oak, Q. aguatica. Water white oak, Q. lyrata. Willow oak, Q. Phellos. Among the true oaks in Europe are: Bitter oak, or Turkey oak, Q. Cerris (see Cerris). Cork oak, Q. Suber. English white oak, Q. Robur. Evergreen oak, Holly oak, or Holm oak, Q. Ilex. Kermes oak, Q. coccifera. Nutgall oak, Q. infectoria. Note: Among plants called oak, but not of the genus Quercus, are: African oak, a valuable timber tree (Oldfieldia Africana). Australian, or She, oak, any tree of the genus Casuarina (see Casuarina). Indian oak, the teak tree (see Teak). Jerusalem oak. See under Jerusalem. New Zealand oak, a sapindaceous tree (Alectryon excelsum). Poison oak, the poison ivy. See under Poison.

Meaning of quercitron oak from wikipedia

- Quercitron is a yellow natural dye obtained from the bark of the Eastern Black Oak (Quercus velutina), a forest tree indigenous in North America. It was...
- Willdenow's oak The inner bark of the black oak contains a yellow-orange coloring from the pigment quercitron, which was sold commercially in Europe until...
- quercitannic acid molecule is also present in quercitron, a yellow dye obtained from the bark of the Eastern black oak (Quercus velutina), a forest tree indigenous...
- Primula vulgaris Queen Anne's lace – Daucus carota, Anthriscus sylvestris Quercitron – Quercus velutina Radical weed – Solanum carolinense Ragweed – Ambrosia...
- constituent of the dye quercitron. It can be found in Tartary buckwheat (****opyrum tatari****) and in oaks species like the North American white oak (Quercus alba)...
- quercetin and the deoxy sugar rhamnose Quercitron, a yellow natural dye obtained from the bark of the Eastern Black Oak (Quercus velutina), a forest tree indigenous...
- quercitannic acid molecule is also present in quercitron, a yellow dye obtained from the bark of the Eastern black oak (Quercus velutina), a forest tree indigenous...
- Sequoia sempervirens or in oak barks where the chief constituent, quercitannic acid, a molecule also present in quercitron, is an unstable substance,...
- French pink — the first three also applied to similar quercitron dyes from the American eastern black oak, Quercus velutina. Other names are Persian berries...
- R S T U W Y References quercitron Quercitron is a mustard yellow natural dye obtained from the bark of the Eastern Black Oak (Quercus velutina), a forest...