Ipomoea purpurea [2] [3] , or Ipomoea purpurea [4] ( lat. Ipomoea purpurea ) is an annual herbaceous climbing plant, a species of the genus Ipomoea ( Ipomoea ) of the Convolvulaceae family . Cultivated as an ornamental plant .
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Content
Spread
The natural range of the species is the temperate tropics of North and South America.
Ipomoea purpurea as an alien plant was discovered in many regions of the world, which is associated with its ubiquitous cultivation (this species is ergaziofigofit : a plant that enters the wild from culture). The plant is noted as alien for many regions of Russia; noted as a weed plant in most regions of central Russia [3] . In Moscow, it was found on weedy places and railway embankments (for Moscow it is an ephemerophyte , that is, a plant that is not able to fully acclimatize) [2] .
Biological description
Annual herbaceous climbing plant [5] . In terms of the system of life forms, Raunkier is terophyte : a plant experiencing adverse conditions only in the form of seeds [4] .
The axial parts of plants are with short pubescence and long bent hairs [5] . The length of the stems is from 1.2 [3] to 3 m . The leaves are simple, with petioles from 2 to 12 cm [5] . Leaf blades are usually solid, but sometimes three-lobed or tripartite [3] ; rounded oval or broad oval (broadly egg-shaped), from 4 to 18 cm in length and from 3.5 to 16.5 cm in width, with more or less compressed hard pubescence. The edge of the leaf blade is solid or more or less three-lobed; the tip of the leaf is sharp or pointed. In inflorescences there can be up to five flowers ; peduncle - from 4 to 12 cm long; bracts linear, 6 to 7 mm long , with sparse hairs [5] .
Perianth is actinomorphic . Sepals are narrowly elliptic, shortly pointed at the apex, often pubescent only at the base, 8 to 14 mm long [3] (up to 16 mm [5] ). The corolla are funnel-shaped, of five fused petals , glabrous (that is, without hairs), can be red, reddish-violet, blue-violet [5] , pink or blue [3] , gradually turning pale towards the white central part, starting from 4 up to 6 cm ; can sometimes be white [3] . The length of the corollas is from 40 to 60 mm [3] . Bisexual flowers . The stigma is three-bladed [5] .
The fruit is a three-nest box . Seeds are trihedral, from 4 to 7 mm long , black or straw color, bare.
The number of chromosomes : 2n = 30, 32 [5] .
Use
Ipomoea purpurea is universally cultivated as a decorative flowering plant.
Seeds are used for medicinal purposes [5] .
Taxonomy
Synonyms
The following names are included in the synonymy of the species (according to The Plant List (2013) [6] , unless otherwise indicated:
- Convolvulus purpureus L. [7] basionym
- Ipomoea chanetii H.Lév. [five]
- Ipomoea diversifolia Lindl.
- Ipomoea glandulifera Ruiz & Pav.
- Ipomoea hispida Zuccagni [5] [~ 1]
- Ipomoea hirsutula J. Jacq.
- Ipomoea mexicana A.Gray [7]
- Ipomoea purpurea var. diversifolia ( Lindl. ) O'Donell
- Ipomoea purpurea var. purpurea
- Pharbitis diversifolius lindl .
- Pharbitis hispida ( Zuccagni ) Choisy [5]
- Pharbitis nil var. diversifolia ( Lindl. ) Choisy
- Pharbitis purpurea ( L. ) Voigt [7]
- Pharbitis purpurea Asch. in Schweinf.
Comments
- ↑ In the publication Flora of China - an obvious typo: instead of the name Ipomoea hispida Zuccagni , which is available in the IPNI database [8] , the name Ipomoea hispida Zuccarini is indicated in the list of synonyms.
Notes
- ↑ About the conditionality of specifying the class of dicotyledons as a higher taxon for the group of plants described in this article, see the section “APG Systems” of the article “Dicotyledons” .
- ↑ 1 2 Mayorov et al., 2012 , p. 240
- ↑ 1 2 3 4 5 6 7 8 Mayevsky, 2014 .
- ↑ 1 2 Antipina, Rokhlova, 2015 , p. 125
- ↑ 1 2 3 4 5 6 7 8 9 10 11 12 Flora of China, 1995 .
- ↑ Ipomoea purpurea (English) : information on the name of the taxon on The Plant List (version 1.1, 2013) (Retrieved January 31, 2018) . )
- ↑ 1 2 3 Ipomoea purpurea (L.) Roth (English) . National Plant Germplasm System (May 9, 2011). Date of treatment February 1, 2018. Archived February 1, 2018.
- ↑ Ipomoea hispida Zuccagni (English) : information on the IPNI website.
Literature
- Antipina G. S., Rokhlova E. L. Annotated list of herbaceous introducers of South Karelia : [ arch. January 31, 2018 ] // Hortus botanicus: Journal. - 2015. - No. 10. - P. 107—147.
- Mayevsky P.F. Ipomoea L. - Ipomoea // Flora of the middle band of the European part of Russia . - 11th corrected and add. ed. - M .: Tov-in scientific publications of KMK, 2014. - S. 387-388. - 635 s. - 2000 copies - ISBN 978-5-87317-958-9 .
- Mayorov S.R. et al. Adventive flora of Moscow and the Moscow Region. - M .: T-scientific ed. KMK, 2012 .-- 412 p. - 200 copies - ISBN 978-5-87317-880-3 .
- Ruizheng Fang & George Staples. Ipomoea purpurea // Flora of China : [ eng ] = 中国 植物 志 : in 25 vol. / ed. by Z. Wu , PH Raven , . - Beijing: Science Press; St. Louis: Missouri Botanical Garden Press, 1995. - Vol. 16: Gentianaceae through Boraginaceae. - 479 p. - ISBN 978-0-915279-34-0 . - ISBN 978-0-915279-33-3 (vol. 16).
Links
- Ipomoea purpurea : information on the taxon in the Plantarium project (a identifier of plants and an illustrated atlas of species). (Retrieved February 1, 2018)
- Alexandrova L., Levinsky M. Farbitis, or Ipomoea (Pharbitis = Ipomea) . Encyclopedia of ornamental garden plants. Date of treatment February 4, 2018. Archived on January 29, 2018.