Ipomoea leptophylla
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| Ipomoea leptophylla | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Solanales |
| Family: | Convolvulaceae |
| Genus: | Ipomoea |
| Species: | I. leptophylla
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| Binomial name | |
| Ipomoea leptophylla Torr.
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Ipomoea leptophylla, the bush morning glory, bush moonflower or manroot, is a species of flowering plant in the bindweed family, Convolvulaceae.
It belongs to the morning glory genus Ipomoea and is native to the Great Plains of western North America.[1] It has a large Tuber.[1]
The Latin specific epithet leptophylla means "fine- or slender-leaved."[2]
Description
[edit]
Ipomoea leptophylla is a long lived herbaceous plant.[3] All parts of the plant are killed by the first frost and new shoots in the spring delay emergence until quite late.[4] The plant grows a large spindle shaped tuber that is found at least 50 centimeters under the soil surface, this tuber can be 50 centimeters in diameter and weigh as much as 6 kilograms.[3][5] From the top of the tuber as many as six stems will emerge within the same quarter of a square meter.[3] The stems are smooth in texture without hairs and may stand straight up or trail a short distance on the ground and about one meter in length. The leaves are narrow and have smooth edges without teeth and come to a sharp point.[6]
The flowering period of Ipomoea leptophylla can be from May to July. The flowers are large, funnel shaped, and purple to pink in color. One to four flowers will be attached together by short stems (pedicels) to each flowering stem (peduncle).[6] The diameter of the flowers is 4.5–7 cm and the length of the tube is 5.5–7 cm long. There are extra floral nectaries located at base of the pedicels.[5]
The seeds are large, each weighing up to 0.1 gram and have a fine downy surface.[3][6] They are oblong and measure 10 mm long and 4 mm wide.[5]
Habitat and range
[edit]Ipomoea leptophylla grows in sandy locations in the American great plains and is the only widespread prairie species in genus Ipomoea, though others are adapted to grassland habitats.[3][5]
They are found from Texas in the south throughout the plains states to South Dakota and Montana in the north.[7][8]
Cultivation
[edit]The bush morning glory is occasionally grown in xeric or native plant gardens for its ample supply of flowers and long blooming season. Plants are generally grown from seed as the large root can only be moved when dormant. Seeds require cold, moist stratification or to be mechanically nicked or filed and then soaked overnight in water before they will germinate. As with the plants seedlings will only emerge once the soil is very warm and will be killed by any frost.[4]
References
[edit]- ^ a b "Ipomoea leptophylla (Bush morning-glory)". Lady Bird Johnson Wildflower Center. 2018-08-30. Archived from the original on 2021-08-10. Retrieved 2022-09-21.
- ^ D. Gledhill The Names of Plants, p. 235, at Google Books
- ^ a b c d e Keeler, Kathleen H. (July 1991). "Survivorship and Recruitment in a Long-lived Prairie Perennial, Ipomoea leptophylla (Convolvulaceae)". American Midland Naturalist. 126 (1): 44–60. doi:10.2307/2426148. JSTOR 2426148. Retrieved 10 June 2023.
- ^ a b Barr, Claude A. (1983). Jewels of the plains : wild flowers of the Great Plains grasslands and hills. Minneapolis: University of Minnesota Press. pp. 99–100. ISBN 0-8166-1127-0.
- ^ a b c d Wood, John R. I.; Muñoz-Rodríguez, Pablo; Williams, Bethany R. M.; Scotland, Robert W. (16 March 2020). "A foundation monograph of Ipomoea (Convolvulaceae) in the New World". PhytoKeys (143): 27, 35, 232, 624, 625, 626. doi:10.3897/phytokeys.143.32821. PMC 7298354. PMID 32577084.
- ^ a b c Britton, Nathaniel Lord; Brown, Addison (1913). An illustrated flora of the Northern United States, Canada and the British Possessions, From Newfoundland to the Parallel of the Southern Boundary of Virginia, and From the Atlantic Ocean Westward to the 102d Meridian. New York: Charles Scribner's Sons. p. 44.
- ^ "Ipomoea leptophylla Torr". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 10 June 2023.
- ^ Ipomoea leptophylla, USDA Natural Resources Conservation Service PLANTS Profile, 10 June 2023
Media related to Ipomoea leptophylla at Wikimedia Commons
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