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(Last Modified On 7/8/2013)
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(Last Modified On 7/8/2013)
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Genus
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Jasminum L.
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PlaceOfPublication
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Sp. Pl. 7. 1753
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Note
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TYPE: J. officinale L.
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Description
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Shrubs or woody vines, sometimes deciduous; stems, mostly terete; pubescence of simple hairs. Leaves alternate or opposite, simple, trifoliolate or pinnately compound; blades entire or lobed; petioles short, sometimes articulated; stipules wanting. Inflorescences mostly terminal, sometimes on short spurs, cymose, dichasial panicles or heads; bracts and bractlets mostly present; pedicels mostly short or wanting. Flowers often fragrant, heterostylous; calyx campanulate, cupu- lar or funnelform, with 5-8 slightly unequal teeth; corolla white or yellow, rarely reddish, mostly drying yellowish or brownish, salverform, the tube slender, elongate, often curved, the limb obsolete, the lobes imbricate, 4-many, sometimes in several whorls, mostly narrowly elliptical; stamens 2, included, the short, gla- brous filaments inserted near the middle of the corolla tube and opposite one another, the anthers oblong, introrse, basifixed, the connective broad, extended
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Habit
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Shrubs or woody vines
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Description
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into a short apicule; stigmatic style branches fusiform, included or long-exserted, the ovary hemispherical or truncate, the 2 carpels mostly demarcated by a sulcus or separating plate of nonaccrescent tissue, the ovules 1-4 in each locule, mostly ascending, amphitropous, sometimes pendulous and anatropous. Fruits of 2 drupe- lets, connate or divaricate, juicy or fleshy, 1-2-seeded, one drupelet often abortive; pyrenes with little endosperm.
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Distribution
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Jasminum is a genus of over 200 species native to the Old World, mainly of tropical regions.
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Note
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Over 30 species are cultivated in the Americas and many of these have become naturalized. In Panama five species are now known to have been cultivated, but others may be introduced and cultivated from time to time. Plants in this genus are commonly cultivated for their attractive form and foliage, their showy flowers, and the pleasant scent of the flowers. In other countries species of jasmine are used for perfumery and for scenting tea.
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Common
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jasmine jasmin
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Reference
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Dandy, J. E. 1950. Oleaceae. Kew Bull. 5: 368. [1951]. Green, P. S. 1965. Studies in the genus Jasminum III. The species in cultiva- tion in North America. Baileya 13: 137-172. Kobuski, C. E. 1959. A revised key to the Chinese species of Jasminum. J. Arnold Arbor. 40: 385-390. Merrill, E. D. 1923. Jasminum. Enum. Philippine P1. 3: 306-309.
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Key
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a. Leaves compound or deeply lobed. b. Inflorescences pubescent; calyx lobes short-deltoid; leaves trifoliolate ...... 2. J. fluminense bb. Inflorescences glabrate; calyx lobes slender, elongate; leaves lobed or mostly 5-7- foliolate ...... 3. J. grandiflorum aa. Leaves simple, entire. c. Calyx lobes copiously pubescent, filiform ...... 4. J. multiflorum cc. Calyx glabrate, slender, but not filiform. d. Petioles articulated just below the middle; corolla lobes mostly in 1 whorl of 5-8 lobes; leaves glabrous ...... 1. J. dichotomum dd. Petioles not articulated; corolla lobes numerous in 2 or more whorls; leaves pubescent ...... 5. J. sambac
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