Taxus (Taxus)
Latin scientific name: TaxusL.
English name: Yew
Brief introduction:
Trees, bark split into thin strips. Branchlets irregularly alternate. The leaves are spirally arranged, the base is twisted into two rows, strip, lanceolate strip or strip lanceolate, the upper midvein is raised, below there are two yellowish or grayish green stomatal bands, no resin canal. Dioecious, globose solitary leaf axils; male cones globose, pedicellate, stamens 6-14, peltate, anthers 4-9, radially arranged; female flowers subsessile, integument discoid. Seeds nutlike, mature that year, born in cup-shaped fleshy aril, aril red; cotyledons 2, unearthed at germination.
About 11 species, native to the Northern Hemisphere. There are 4 species and 1 variety in China.
Fine wood, tough and durable, is a precious timber tree species; slow growth, low yield, more scattered forests, suitable for protection and expansion of afforestation. Leaves dark green, aril fleshy red, quite beautiful, can be used as a garden tree.
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Rapid Propagation of Anticancer Plant Hybrid Taxus chinensis
Hybrid Taxus mairei 8502 is one of more than ten cultivated strains of Taxus mandshurica Taxusmedia. Its rapid growth and wide adaptability are better than other strains and can be planted in most areas of our country. Taxusmedia is one of the yew approved by FDA to extract paclitaxel, an anticancer drug. The taxol content in the branches and leaves of the 5-year-old Taxus mairei was higher than that of the natural yew bark grown for 70 ~ 80 years. A wild yew, including domestic varieties.
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Why the leaves of Magnolia grandiflora dried up and fell off
There is a letter from a reader in Tianjin: two pots of grafted magnolia were bought four years ago, but they used to grow well. Yellow leaves appeared in the winter in the flower cellar last year, and then gradually developed into half of the leaves scorched and fell off. After coming out of the cellar in May this year, the new leaves became semi-dry soon, and it was even more serious from July to August. It was thought to be caused by fungi, but it was ineffective after medication. What is the cause of this, please? What rescue measures should be taken? A: there may be the following reasons for the drying up and shedding of your Magnolia leaves: first,
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