Zinnia
| Zinnia | |
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| Zinnia flower | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Heliantheae |
| Subtribe: | Zinniinae |
| Genus: | Zinnia L. |
| Type species | |
Chrysogonum peruvianum
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| Synonyms[1][2] | |
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| Zinnia seeds resemble arrow heads | |||
Zinnia is a
Description
Zinnias are annuals, shrubs, and sub-shrubs native primarily to
Cultivation
Zinnias are easy to grow with potential heavy blooms that gush in color. Their petals can take different forms as single row with a visible center (Single-flowered zinnia), numerous rows with a center that is not visible (Double-flowered) and petals that are somewhere in-between with numerous rows but visible centers (Semi double-flowered zinnia). Their flowers can also take several shapes.
Zinnias are an annual plant that preferably grows in situ from seed, as they dislike being transplanted. Much like daisies, zinnias prefer to have full sunlight and adequate water. In the preferred conditions they will grow quickly but are sensitive to frost and therefore will die after the first frost of autumn. Zinnias benefit from deadheading to encourage further blooming.
Species
- Zinnia acerosa – Arizona, New Mexico, Texas, and Utah in the United States; Coahuila, Durango, Michoacán, Nuevo León, San Luis Potosí, Sonora, and Zacatecas in Mexico.
- .
- Zinnia angustifolia – Chihuahua, Durango, Jalisco, San Luis Potosí, and Sinaloa.
- Zinnia anomala – Texas; Coahuila, and Nuevo León.
- Zinnia bicolor – Chihuahua, Durango, Guanajuato, Jalisco, Nayarit, and Sinaloa.
- Zinnia citrea – Chihuahua, Coahuila, and San Luis Potosí.
- Zinnia elegans from Jalisco to Paraguay; naturalized in parts of United States.
- Zinnia flavicoma – Guerrero, Jalisco, Michoacán, and Oaxaca.
- Zinnia grandiflora – Arizona, Colorado, Kansas, New Mexico, Oklahoma, and Texas; Chihuahua, Coahuila, Nuevo León, Sonora, and Tamaulipas.
- Zinnia haageana – Guanajuato, Jalisco, México State, Michoacán, and Oaxaca.
- Zinnia juniperifolia – Coahuila, Nuevo León, and Tamaulipas.
- Zinnia maritima – Colima, Guerrero, Jalisco, Nayarit, and Sinaloa.
- Zinnia microglossa – Guanajuato and Jalisco.
- Zinnia oligantha – Coahuila.
- Zinnia palmeri – Colima, Jalisco
- Zinnia paucifloraPhil.
- , and the United States.
- Zinnia pumilaA.Gray
- Zinnia purpusii – Chiapas, Colima, Guerrero, Jalisco, and Puebla.
- Zinnia tenuis – Chihuahua.
- Zinnia venusta – Guerrero.
- Zinnia zinnioides (Kunth) Olorode & Torres
- formerly included[1]
- Zinnia bidens – Glossocardia bidens
- Zinnia liebmannii – Philactis zinnioides
Zinnia elegans, also known as Zinnia violacea, is the most familiar species, originally from the warm regions of Mexico being a warm–hot climate plant. Its leaves are lance-shaped and sandpapery in texture, and height ranges from 15 cm to 1 meter.[5]
Zinnia angustifolia is another Mexican species. It has a low bushy plant habit, linear foliage, and more delicate flowers than Z. elegans – usually single, and in shades of yellow, orange or white. It is also more resistant to powdery mildew than Z. elegans, and hybrids between the two species have been raised which impart this resistance on plants intermediate in appearance between the two. The Profusion series, with both single and double-flowered components, is bred by Sakata of Japan, and is among the most well-known of this hybrid group.
Zinnias seem to be a favorite of butterflies as well as hummingbirds, and many gardeners add zinnias specifically to attract them.[10]
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Aglais urticae -
Uses
Zinnias are popular garden flowers because they come in a wide range of flower colors and shapes, and they can withstand hot summer temperatures and are easy to grow from seeds.[11] They are grown in fertile, humus-rich, and well-drained soil, in an area with full sun. They will reseed themselves each year. Over 100 cultivars have been produced since selective breeding started in the 19th century.
Zinnia peruviana was introduced to Europe in the early 1700s. Around 1790 Z. elegans (Zinnia violacea) was introduced and those plants had a single row of ray florets, which were violet. In 1829, scarlet flowering plants were available under the name "Coccinea". Double flowering types were available in 1858, coming from India, and they were in a range of colors, including shades of reds, rose, purple, orange, buff, and rose stripped.[6]: 338- In time, they came to represent thinking of absent friends in the language of flowers.[12]
A number of species of zinnia are popular flowering plants, and interspecific hybrids are becoming more common.[6]: 344- Their varied habits allow for uses in several parts of a garden, and their tendency to attract butterflies and hummingbirds is seen as desirable. Commercially available seeds and plants are derived from open pollinated or F1 crosses, and the first commercial F1 hybrid dates from 1960.[citation needed]
Some zinnia are edible.[citation needed]
Cultivation in microgravity
Experimentation aboard the
Companion plants
In the Americas their ability to attract hummingbirds is also seen as useful as a defense against
Gallery
See also
References
- ^ a b c "Advanced Name Search". Global Compositae Checklist. Archived from the original on 2014-11-06.
- ^ "Genus: Zinnia L." Germplasm Resources Information Network. United States Department of Agriculture. October 5, 2007. Retrieved October 14, 2010.
- ^ Linnaeus, Carl von. 1759. Systema Naturae, Editio Decima 2: 1189, 1221, 1377 in Latin
- ^ "Tropicos". www.tropicos.org.
- ^ a b c d "Zinnia". Flora of North America.
- ^ ISBN 978-1-4020-6569-9.
- ^ Davidson, Menashe (24 February 2021). "Development of a Zinnia Flower". University Space Research Association. Retrieved 3 September 2022.
- ^ "Zinnia". BONAP North American Plant Atlas. 2014-12-15.
- ^ "Results — Zinnia". The Plant List.
- ^ "Saving Butterflies Insect Ecologist Spearheads Creation of Oases for Endangered Butterflies". Science Daily. January 1, 2005. Archived from the original on June 4, 2008. Retrieved May 27, 2008.
- ISBN 978-81-89422-35-6.
- ^ "Language of Flowers – Flower Meanings, Flower Sentiments". www.languageofflowers.com. Retrieved 2016-11-26.
- ^ Johnston, Ian (16 January 2016). "First flower grown in space shows there is 'other life' out there". The Independent newspaper. Archived from the original on 2022-05-07.
- ISSN 2155-9856.
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