Maclura


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Maclura

 

a genus of plants of the family Moraceae. There is a single species, the Osage orange (M. pomifera or M. aurantiaca). Twelve species previously classified in other genera are sometimes included in this genus.

The Osage orange is a dioecious deciduous tree, up to 20 m tall. It has a dense crown and spiny branches. The leaves are alternate, entire, ovate to elongate-lanceolate, and pointed. The male flowers are borne in pendulous clusters; the female flowers, in dense heads. The aggregate fruit is globular, golden yellow, and wrinkled; it resembles an orange but is inedible; it consists of numerous dry, monospermous little fruits embedded together with the perianth in the enlarged fleshy axis of the inflorescence. The Osage orange grows in North America, in the southern USA. In the USSR it is cultivated as an ornamental and used as a hedge in the Caucasus, Middle Asia, and the Ukraine. The wood of Madura is yellow, dense, and heavy; it is used in manufacturing lathes; a yellow dye is obtained from the wood and the roots.

REFERENCE

Derev’ia i kustarniki SSSR, vol. 2. Moscow-Leningrad, 1951.

V. N. GLADKOVA

References in periodicals archive ?
Physical and chemical properties of potting mix and field soil used to determine the effects of shading and intercropping on Osage orange (Maclura pomifera) seedling development (z) Texture Class Percentage Sand Silt Clay Peat Perlite BACCTO[R] potting mix -- -- -- 80-90 20-10 Saybrook Silt Loam 17.1 52.7 30.2 -- -- Water pH Buffer pH OM% BACCTO[R] potting mix 5.8 6.3 5 Saybrook Silt Loam 6.2 6.7 4 Pounds per acre P K Ca Mg BACCTO[R] potting mix 170 1238 1970 2336 Saybrook Silt Loam 54 394 4250 878 Percent saturation CEC (y) Ca Mg K H meq/100g BACCTO[R] potting mix 22.9 46.1 7.2 23.9 21.5 Saybrook Silt Loam 60.4 20.6 2.8 15.3 17.6 (z) Values are averages of three samples.
Second growth forests (Acer negundo, Crataegus mollis, Gleditsia triacanthos, Maclura pomifera, Populus deltoides, Prunus serotina, and Ulmus americana) cover most of the remainder of this site.
subintegerrima, Juglans nigra and Maclura pomifera) also occur.
Candelaria concolor (Dickson) Stein Common on the pads of prickly pear cactus (Opuntia humifusa (#1855)), rusted metal, weathered asphalt, wood, granite, concrete, dolomite, calcareous gravel, decorticate logs and on the trunks and lower limbs of a variety of trees including Maclura pomifera (#1634) and Ulmus americana (#1630).
Common on rusted metal, weathered concrete, granite, wood, decorticate moss covered logs, and on the trunks and limbs of a variety of trees including Maclura pomifera (#1635) and Ulmus americana (#1669).
The species (Maclura pomifera) goes by other names in its original range.