Difference between revisions of "Celtis"

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| name = ''Celtis''
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| common_names = Nettle-Tree
 
| growth_habit = ?  <!--- tree, shrub, herbaceous, vine, etc -->
 
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Celtis (ancient Latin name). Ulmaceae. Nettle-Tree. Woody subjects grown chiefly as shade or lawn specimens.
 
Celtis (ancient Latin name). Ulmaceae. Nettle-Tree. Woody subjects grown chiefly as shade or lawn specimens.
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Trees or rarely shrubs, sometimes spiny: lvs. alternate, petiolate, stipulate, deciduous or persistent, usually oblique at the base and 3-nerved: fls. polygamous- monoecious, inconspicuous, apetalous, 4-5-merous, axillary, the staminate in small clusters on the lower part of the branchlets, the fertile solitary in the axils of the lvs. on the upper part of the branchlets, with a 1- celled superior ovary crowned by a 2-parted style and with 4-5 short stamens: fr. a 1-seeded, small drupe, edible in some species; embryo with broad cotyledons.— Seventy species in the temperate and tropical regions of the northern hemisphere, of which a few hardy ornamental species are cult.
 
Trees or rarely shrubs, sometimes spiny: lvs. alternate, petiolate, stipulate, deciduous or persistent, usually oblique at the base and 3-nerved: fls. polygamous- monoecious, inconspicuous, apetalous, 4-5-merous, axillary, the staminate in small clusters on the lower part of the branchlets, the fertile solitary in the axils of the lvs. on the upper part of the branchlets, with a 1- celled superior ovary crowned by a 2-parted style and with 4-5 short stamens: fr. a 1-seeded, small drupe, edible in some species; embryo with broad cotyledons.— Seventy species in the temperate and tropical regions of the northern hemisphere, of which a few hardy ornamental species are cult.
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The nettle-trees are valuable as shade trees or as single specimens on the lawn, mostly with wide spreading head and light green foliage, which is rarely seriously injured by insects or fungi; they thrive in almost any soil and even in dry situations; they are of vigorous growth when young, and are easily transplanted. The straight-grained wood is light and elastic, easily divided, and much used for the manufacture of small articles and for furniture; that of C. australis is valued for carving. Propagated by seeds, sown after maturity; also by layers and cuttings of mature wood in fall; rarer kinds are sometimes grafted on C. occidentalis.
 
  
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{{SCH}}
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The nettle-trees are valuable as shade trees or as single specimens on the lawn, mostly with wide spreading head and light green foliage, which is rarely seriously injured by insects or fungi; they thrive in almost any soil and even in dry situations; they are of vigorous growth when young, and are easily transplanted. The straight-grained wood is light and elastic, easily divided, and much used for the manufacture of small articles and for furniture; that of C. australis is valued for carving. Propagated by seeds, sown after maturity; also by layers and cuttings of mature wood in fall; rarer kinds are sometimes grafted on C. occidentalis.{{SCH}}
 
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==Species==
 
==Species==
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C. Biondii, Pampanini. Lvs. broader than in C. Bungeana, grayish below: frs. dark blue, small. Cent. China.—C. caucasica, Willd. Allied to C. australis. Lvs. broadly rhombic-ovate, somewhat smaller: fr. smaller, reddish brown. Caucasus, N. Persia.—C. Davidiana, Carr. Allied to C. Bungeana. Small tree: lvs. ovate-oblong or elliptic-oblong, often sparsely hairy on the veins below, 2-5 in. long. N. China. Incompletely known.—C. georgiana. Small. Allied to C. occidentalis. Shrub or small tree: branchlets pubescent lvs. ovate, acute, entire or sharply serrate, 1-2 in. long: fr. ¼in. across, short-stalked. Md. to Fla., Ala. and Mo.—C. orientali. Linn. (syn. Trema orientalis).—C. orientalis, Mill.(syn. C. Tournefortii).— C. reticulata. Torr. (C. mississipiensis var. reticulata, Sarg.). Small tree, to 50 ft.: branchlets pubescent. lvs. ovate, usually cordate, entire or serrate, rough above, pubescent and reticulate below, 1 ½-3 in. long: fr. 1/3in. thick, orange-red. Colo, to Texas and Ariz.—C. Smallii, Beadle. Allied to C. mississippienais. Lvs. lanceolate or oblong- lanceolate, thin, sharply serrate. 2—4 in. long: fr. ¼in. thick, slender- stalked. N. C. and Tenn. to Ga. and Ala. Alfred Rehder.
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{{SCH}}
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==Gallery==
 
==Gallery==

Latest revision as of 20:57, 17 June 2009


Upload.png


Plant Characteristics
Origin: ✈ ?
Cultivation
Exposure: ☼ ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water: ◍ ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.
Scientific Names



Read about Celtis in the Standard Cyclopedia of Horticulture 

Celtis (ancient Latin name). Ulmaceae. Nettle-Tree. Woody subjects grown chiefly as shade or lawn specimens.

Trees or rarely shrubs, sometimes spiny: lvs. alternate, petiolate, stipulate, deciduous or persistent, usually oblique at the base and 3-nerved: fls. polygamous- monoecious, inconspicuous, apetalous, 4-5-merous, axillary, the staminate in small clusters on the lower part of the branchlets, the fertile solitary in the axils of the lvs. on the upper part of the branchlets, with a 1- celled superior ovary crowned by a 2-parted style and with 4-5 short stamens: fr. a 1-seeded, small drupe, edible in some species; embryo with broad cotyledons.— Seventy species in the temperate and tropical regions of the northern hemisphere, of which a few hardy ornamental species are cult.

The nettle-trees are valuable as shade trees or as single specimens on the lawn, mostly with wide spreading head and light green foliage, which is rarely seriously injured by insects or fungi; they thrive in almost any soil and even in dry situations; they are of vigorous growth when young, and are easily transplanted. The straight-grained wood is light and elastic, easily divided, and much used for the manufacture of small articles and for furniture; that of C. australis is valued for carving. Propagated by seeds, sown after maturity; also by layers and cuttings of mature wood in fall; rarer kinds are sometimes grafted on C. occidentalis.CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

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Propagation

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Pests and diseases

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Species


Read about Celtis in the Standard Cyclopedia of Horticulture 

C. Biondii, Pampanini. Lvs. broader than in C. Bungeana, grayish below: frs. dark blue, small. Cent. China.—C. caucasica, Willd. Allied to C. australis. Lvs. broadly rhombic-ovate, somewhat smaller: fr. smaller, reddish brown. Caucasus, N. Persia.—C. Davidiana, Carr. Allied to C. Bungeana. Small tree: lvs. ovate-oblong or elliptic-oblong, often sparsely hairy on the veins below, 2-5 in. long. N. China. Incompletely known.—C. georgiana. Small. Allied to C. occidentalis. Shrub or small tree: branchlets pubescent lvs. ovate, acute, entire or sharply serrate, 1-2 in. long: fr. ¼in. across, short-stalked. Md. to Fla., Ala. and Mo.—C. orientali. Linn. (syn. Trema orientalis).—C. orientalis, Mill.(syn. C. Tournefortii).— C. reticulata. Torr. (C. mississipiensis var. reticulata, Sarg.). Small tree, to 50 ft.: branchlets pubescent. lvs. ovate, usually cordate, entire or serrate, rough above, pubescent and reticulate below, 1 ½-3 in. long: fr. 1/3in. thick, orange-red. Colo, to Texas and Ariz.—C. Smallii, Beadle. Allied to C. mississippienais. Lvs. lanceolate or oblong- lanceolate, thin, sharply serrate. 2—4 in. long: fr. ¼in. thick, slender- stalked. N. C. and Tenn. to Ga. and Ala. Alfred Rehder. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Gallery

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  • photo 1

  • photo 2

  • photo 3

References

External links


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