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Jasminum nudiflorum

(Winter Jasmine)

Common Names

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Common Names in English:

Jasmine (China), Winter Jasmine

Description

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Family Oleaceae

Trees or erect or scandent shrubs . Branches and branchlets lenticellate . Leaves opposite, rarely alternate or whorled , simple , trifoliolate , or pinnately compound , without stipules; venation pinnate or palmate. Inflorescences terminal or axillary , in cymes, panicles, racemes , umbels, or fascicles. Flowers actinomorphic , bisexual , rarely unisexual or polygamous and plants monoecious, dioecious, or polygamodioecious. Calyx 4(-16) -lobed or -parted, rarely absent. Corolla 4(-16) -lobed, sometimes almost free to base , rarely absent; lobes sometimes united in pairs at base or into a very short tube . Stamens 2(-4), inserted on corolla tube or hypogynous; anthers dehiscing longitudinally; pollen 3-colpate or 3-colporate. Ovary superior, 2-loculed; ovules 2 in each locule, sometimes 1 or numerous . Style 1 or absent; stigma 2-lobed or capitate. Fruit a drupe, berry, capsule, or samara. Seeds with straight embryo, with or without endosperm; radicle curved upward or downward.

About 28 genera and over 400 species: tropical , subtropical , and temperate regions of world, but mainly in Asia. China has 10 genera and 160 species (95 endemic) and is the center of diversity for the genera Forsythia, Syringa, Osmanthus, and Ligustrum.

Many genera are important economically: Fraxinus and Forsythia (medicinal, ornamental ) ; Jasminum, Osmanthus, and Syringa (spice, ornamental) ; Olea (oil ) ; and Fraxinus (timber) .Mei-chen Chang, Lien-ching Chiu, Zhi Wei & Peter S. Green "Oleaceae". in Flora of China Vol. 15 Page 272. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Genus Jasminum

Trees or erect or scandent shrubs , evergreen or deciduous. Branchlets terete or angular and grooved . Leaves opposite or alternate, rarely whorled , simple , 3-foliolate, or odd-pinnate; petiole usually articulated. Inflorescences basically cymose , in panicles, racemes , corymbs, umbels, or heads ; bracts subulate or linear , sometimes leafy. Flowers bisexual , usually heterostylous, usually fragrant. Calyx campanulate , cupular, or funnelform , 4-16-lobed. Corolla white or yellow, rarely red or purple, salverform or funnelform; lobes 4-16, imbricate in bud, sometimes doubled in cultivation. Stamens 2, included , inserted about middle of corolla tube ; filaments short; anthers dorsifixed , introrse . Ovules 1 or 2 in each locule. Style filiform ; stigma capitate or 2-lobed. Fruit a berry, didymous or one half aborted. Seeds without endosperm; radicle downward.

More than 200 species: Africa, Asia, Australia, South Pacific Islands, one species in the Mediterranean region; 43 species in China."Jasminum". in Flora of China Vol. 15 Page 307. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Physical Description

Species Jasminum nudiflorum

Shrubs erect , creeping or forming an intricate cushion , deciduous, 0.3-5 m. Branchlets 4-angled, somewhat narrowly winged , glabrous . Leaves opposite, 3-foliolate or often simple at base of branchlets; petiole 3-10 mm, glabrous; leaf blade ovate or elliptic , sometimes suborbicular , 0.7-2.2 cm × 4-13 mm; leaflet blade ovate to elliptic, rarely obovate , base cuneate, apex acute or obtuse , mucronulate , veins obscure , terminal one sessile or basally decurrent into a short petiolule , 1-3 × 0.3-1.1 cm, lateral ones sessile, 0.6-2.3 cm × 2-11 mm. Flowers solitary, axillary or rarely terminal; bracts ovate to lanceolate, leafy, 3-8 mm. Pedicel 2-3 mm. Calyx green; lobes 5 or 6, narrowly lanceolate, somewhat leafy, 4-6 mm. Corolla yellow, 2-2.5 cm in diam.; tube 0.8-2 cm; lobes 5 or 6, oblong or elliptic, 0.8-1.3 cm. Berry ovoid or ellipsoid , ca. 6 × 3-4 mm. [source]

Habit: Deciduous, spreading , mounded mass of trailing branches.

Flowers: Yellow-red buds open to yellow flowers in March. • Bloom Period: January, February, October, November, December. • Flower Conspicuous: Star-shaped

Size/Age/Growth

Growth Rate: Moderate to fast. • Size: Unsupported, to 4 ft . tall, 7 ft. wide; to 15 ft. tall trained on a trellis or wall.

Landscaping

Care: Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. As a ground cover, space plants 5 ft . apart, (closer for faster coverage). Control weeds with mulch until the plants cover the area.

Habitat

Thickets, ravines , slopes ; 800-4500 m. (Ref. 101504).

Typically found at an altitude of 0 to 4,028 meters (0 to 13,215 feet).Mean = 308.430 meters (1,011.909 feet), Standard Deviation = 899.470 based on 67 observations. Altitude information for each observation from British Oceanographic Data Centre.

Biology

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Reproduction

Duration: Perennial

Growth

Culture: Space 8-10' apart.

Soil: Needs good drainage . Drought tolerant .

Sunlight: Sun Exposure: Full sun for good flowering. Tolerates shade.

Moisture: Water Requirements: Water regularly, when top 3 in. of soil is dry.

Temperature: Heat Zones: High: 9 (>120 to 150 days) Low:1 (< 1 days) (map) • Cold Hardiness: 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b. (map)

Taxonomy

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Unambiguous Synonyms

  1. Jasminum nudiflorum Lindl.

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication : J. Hort. Soc. London 1:153. 1846

Name verified on 24-May-1995 by ARS Systematic Botanists. Last updated: 22-May-1997

Similar Species

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Members of the genus Jasminum

There are approximately 680 species in this genus. Here are just 100 of them:

J. stephanense · J. absimile · J. abyssinicum · J. aculeatum · J. acuminatissimum · J. acuminatum · J. adenophyllum (Bluegrape Jasmine) · J. adiantifolium · J. aemulum (Malulee) · J. aemulum f. aemulum · J. aemulum f. interstans · J. aemulum forma aemulum · J. aemulum forma interstans · J. aemulum var. aemulum · J. aemulum var. brassii · J. aemulum var. genuinum · J. aemulum var. glaberrimum · J. affine · J. affine 'Inverleith' · J. afu · J. agastyamalayanum · J. albicalyx · J. albidum · J. aldabrarum · J. aldabrense · J. alongense · J. amabile · J. ambiguum · J. amboinense · J. amoenum · J. amplexicaule · J. anastomosans · J. andamanicum · J. angolense · J. angulare (South African Jasmine) · J. angulare 'Anne Shelton' · J. angustifolium · J. angustifolium var. hirsutum · J. angustifolium var. sessiliflorum · J. angustilobium · J. angustitubum · J. anisophyllum · J. annamense · J. annamense glabrescens · J. annamense kerrii · J. annamense subsp. glabrescens · J. annamense subsp. kerrii · J. anodontum · J. aphanodon · J. apoense · J. arborescens · J. arboreum · J. arenarium · J. argyi · J. aristatum · J. artense · J. asphanodon · J. attenuatum · J. augeronii · J. aureum · J. auriculatum · J. australe · J. azoricum var. bahiense · J. azoricum var. travancorense · J. bahiense · J. bakeri · J. balakrishnanii · J. banlanense · J. barrelieri · J. basilei · J. batanensis · J. beesianum (Beesianum Jasmine) · J. beesianum 'Ruby' · J. bequaertii · J. betchei · J. bicorollatum · J. bidwillii · J. bieleri · J. bifarium · J. biflorum · J. bignoniaceum · J. bignoniaceum subsp. zeylanicum · J. bignoniaceum zeylanicum · J. blancoi · J. blandum · J. blinii · J. bodinieri · J. bogosense · J. brachyscyphum · J. bracteatum · J. brevidentatum · J. breviflorum · J. brevilobum · J. brevipes · J. brevipetiolatum · J. brieyi · J. buchananii · J. bukobense · J. burmannianum · J. bussei

Bibliography

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More Info

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 14, 2007:

Identifiers

Footnotes

Last Revised: 2008-10-09