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Exposure: | ☼ | ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property. |
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Water: | ◍ | ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property. |
Rutaceae > |
Citrus > |
Read about Citrus in the Standard Cyclopedia of Horticulture
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Citrus (ancient name of a fragrant African wood, afterward transferred to the Citron). Rutaceae. Citron. Lemon. Orange. Small evergreen, more or less spiny trees or shrubs, grown for their edible fruits, and also attractive in foliage and flower. Leaves glandular-dotted, persistent, apparently simple (in reality unifoliate compound lvs.), borne on more or less winged or margined petioles, which are usually articulated with the blade and at their attachment to the twig: spines usually present, borne singly at the side of the bud in the axils of the lvs.: fls. clustered or rarely solitary in the axils of the lvs., or in small lateral or terminal cymes or panicles, white or pinkish purple in the bud; petals 5 (rarely 4 or 6) thick, strap-shaped, not clawed at the base, imbricated; stamens numerous (16-60, usually 20-40) at least four times as many as the petals, polyadelphous, cohering toward the bases in a few bundles; ovary 8-15-celled, with a prominent usually deciduous style containing as many tubes as there are cells in the ovary: fr. a hes- peridium, globose, oval or oblate-spheroid, the segms. filled with juicy pulp composed of stalked pulp-vesicles; seeds 1-8 in a cell, oval or oblong, ¼-¾in. long, with a pergameneous testa and thick fleshy cotyledons, usually with adventive embryos arising as buds from the nucellar tissue of the mother plant. Natives of Trop. and Subtrop. Asia and the Malayan Archipelago.— Half a dozen species are commonly cult. and have given rise to very many varieties as well as numerous hybrids, making the delimitation of the species exceedingly difficult. See Citrange, Citron, Etrog, Grapefruit, Lemon, Lime, Limequat, Orange, Pomelo, Tangelo. The nomenclature here followed is based on the writer's treatment of the species of Citrus in "Plantae Wilsonianae." The fewest possible number of changes have been made consistent with presenting a clear account of the genus. A careful study of Citrus and the genera most nearly related to it has shown that the trifoliate orange differs in so many and such important characters that it seems necessary to recognize it as a separate genus (Poncirus). The same is true of the kumquats and the Australian limes. CH
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Cultivation
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Propagation
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Pests and diseases
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Species
- Citrus aurantifolia - Key lime
- Citrus maxima - Pomelo
- Citrus medica - Citron
- Citrus reticulata - Mandarin & Tangerine
- Citrus halimii, a more recent discovery, from Thailand and Malaya
Major hybrids:
- Citrus ×sinensis - Sweet Orange
- Citrus ×aurantium - Bitter Orange
- Citrus ×paradisi - Grapefruit
- Citrus ×limon - Lemon
- Citrus ×limonia - Rangpur lime
- Citrus ×latifolia - Persian lime
Read about Citrus in the Standard Cyclopedia of Horticulture
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Varieties
- Alemow, Colo, C. ×macrophylla
- Amanatsu
- Bergamot orange C. ×bergamia
- Bitter orange, Seville Orange
- Blood orange
- Buddha's hand, C. medica
- Calamondin (Calamansi)
- Citron Citrus medica
- Clementine
- Daidai, Seville, Sour Orange, Citrus aurantium
- Dekopon- hybrid between ChungGyun mandarins and Ponkan
- Desert Lime, Citrus glauca (syn. Eremocitrus glauca)
- Djeruk limau, C. ×amblycarpa, Indonesia
- Finger Lime, Citrus australasica, (syn. Microcitrus australasica)
- Gajanimma, Carabao lime, C. ×pennivesiculata
- Grapefruit, C. ×paradisi
- Ichang Lemon Citrus ×ichangensis
- Imperial lemon Citrus limon × Citrus ×paradisi
- Iyokan
- Kabosu Citrus sphaerocarpa
- Kaffir lime Citrus ×hystrix
- Key lime Citrus aurantifolia
- Kinnow
- Khasi pepeda, C. ×latipes
- Kumquat - in the related genus Fortunella, not Citrus; forms hybrids with Citrus (see Citrofortunella)
- Lemon Citrus ×limon
- Lime Citrus aurantifolia
- limetta, Sweet Lemon C. ×limetta
- Limequat Citrus ×Fortunella hybrids
- Mandarin Lime C. ×limonia
- Mandarin Orange, Dancy
- Meyer Lemon
- Mikan
- Natsumikan, Japan, C. ×natsudaidai
- Orange Citrus sinensis
- Orangelo: Chironja
- Orangequat
- Oroblanco
- Persian lime, Tahiti lime Citrus ×latifolia
- Pomelo, Pummelo, Shaddock, Citrus grandis
- Ponderosa lemon
- Ponkan
- Rangpur, Lemanderin Citrus ×limonia
- Rough Lemon C. ×jambhiri
- Satsuma
- Shekwasha, Taiwan tangerine, Hirami lemon, C. ×depressa
- Sudachi
- Sunki, Suenkat, C. ×sunki
- Sweetie
- Sweet Lime, Sweet Lime, Central America, C. ×limettioides
- Tachibana Orange
- Tangelo: Minneola tangelo Ugli
- Tangerine Citrus reticulata
- Tangor C. ×nobilis
- Ugli fruit
- Yuzu C. ×junos
Gallery
References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Citrus. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Citrus QR Code (Size 50, 100, 200, 500)