Pocirus

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 Pocirus in the Standard Cyclopedia of Horticulture

Pocirus (French, poncire, a kind of citron). Rutaceae, tribe Citreae. Small spiny deciduous tree native to North China, extensively used as a stock for oranges, also grown for hedges and often for ornament in regions too cold to permit of the culture of citrous fruits. This plant has been usually referred to Citrus, although DeCandolle, Rafinesque, Miquel, Penzig, Hance, Makino, and other botanists referred it to other genera. It differs from Citrus in having deciduous trifoliolate lvs. : fl.-buds formed in early summer and passing the winter protected by bud-scales: fls. borne on old wood in early spring and nearly sessile, with petals opening flat and narrowed to a claw-like base; stamens entirely free; ovary 6-8- (usually 7-) celled: fr. densely and finely pubescent, the pulp vesicles containing oily matter in drops and having hair-like appendages which secrete a viscous fluid, the ovary wall showing orange-colored cellular eruptions between the bases of the pulp vesicles; pith with transverse plates of thick-walled cells; stomata of the green twigs situated at the bottom of deep narrow pits; and seedlings with spirally arranged cataphylls, the lowest bract-like, the uppermost gradually merging into foli- age-lvs. In view of these numerous differences, all of them of taxonomic importance, there can be no doubt of the validity of the genus Poncirus. 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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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Gallery

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Pocirus. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Pocirus QR Code (Size 50, 100, 200, 500)