Biology:Mischogyne elliotiana
| Mischogyne elliotiana | |
|---|---|
| File:Mischogyne elliotiana 1.tif | |
| Photograph of Mischogyne elliotiana | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Order: | Magnoliales |
| Family: | Annonaceae |
| Genus: | Mischogyne |
| Species: | M. elliotiana
|
| Binomial name | |
| Mischogyne elliotiana (Engl. & Diels) R.E.Fr. ex Le Thomas
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| Synonyms | |
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Uvaria elliotiana Engl. & Diels | |
Mischogyne elliotiana is a species of plant in the Annonaceae family. It is native to Cameroon, Gabon, Ghana, Guinea-Bissau, Ivory Coast, Liberia, Nigeria, Sierra Leone, and Zaire.[2] Adolf Engler and Ludwig Diels, the German botanists who first formally described the species using the basionym Uvaria elliotiana, named it after George Scott-Elliot the botanist who collected the specimen they examined.[3]
Description
File:Mischogyne elliotiana 2.tif It is a bush reaching 4-7 meters in height. Its elliptical leaves are 8-17 by 4-8 centimeters. Its hairless leaves are wedge shaped at their point of attachment and come to a long tapering point at their tips. The leaves have a papery to leathery texture and are glossy green on their upper side and lighter on their underside. The leaves have 7-13 pairs of secondary veins emanating from either side of their midribs. Its hairless petioles are 5-7 millimeters long. Its flowers are solitary or in groups of 2-4. The flowers are on 0.7-1.5 centimeter pedicels that are covered in fine hairs and occur in axillary positions. The pedicels are subtended by a small bract. Its oblong sepals are 10 by 3.5-4 millimeters, covered in fine hairs on both sides, and come to a shallow point at their tips. Its flowers have 6 white petals arranged in two rows of three. The outer, oblong petals are 15 by 3-4 millimeters, and covered in woolly hairs on both sides. The inner petals are slightly shorter. Its flowers have cylindrical receptacles that are 3-4 millimeters long. Its flowers have numerous oblong stamens that are 2-2.5 millimeters long. The tissue that connects the theca is hairy an terminates in a tuft of hairs at the top of the anthers. Its flowers have 4-5 oblong, carpels that are 5-7 millimeters long and covered in hairs. Its stigmas are bilobed. The carpels contain numerous ovules in two rows. Its are green to yellow with white spots, 6-10 by 4-6 centimeters, and have a contour that is constricted around the seeds. Its fruit have 6-12 seeds that are 2-2.8 by 1.2-1.5 by 0.3-0.5 centimeters, arranged in 1 or two rows. The seeds are flat on one side, semi-circular on the opposite side, and covered in a white membrane.[4][5]
Reproductive biology
The pollen of M. elliotiana is shed as permanent tetrads.[6]
Habitat and distribution
It has been observed growing in evergreen or semideciduous forests that receive 100-400 centimeters of rain per year.[5]
Uses
Gosline and colleagues report the white flesh of the fruits as being edible.[5]
References
- ↑ Rokni, S. (2016). "Mischogyne elliotiana". IUCN Red List of Threatened Species 2016: e.T85729141A85729179. doi:10.2305/IUCN.UK.2016-1.RLTS.T85729141A85729179.en. https://www.iucnredlist.org/species/85729141/85729179. Retrieved 20 November 2021.
- ↑ "Mischogyne elliotiana (Engl. & Diels) R.E.Fr. ex Le Thomas". The Trustees of the Royal Botanic Gardens, Kew. n.d.. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:73966-1.
- ↑ Engler, Adolf (1901). "Anonaceae. Bearbeiter von A. Engler und L. Diels" (in German, Latin). Monographien afrikanischer Pflanzen-Familien und -Gattungen. 6. Leipzig: Engelmann. p. 30. http://sammlungen.ub.uni-frankfurt.de/botanik/periodical/titleinfo/4074692.
- ↑ Le Thomas, Annick (1969). "Mischogyne". Flore du Gabon 16: 284–287.
- ↑ 5.0 5.1 5.2 Gosline, George; Marshall, Andrew R.; Larridon, Isabel (2019). "Revision and new species of the African genus Mischogyne (Annonaceae)". Kew Bulletin 74 (2). doi:10.1007/s12225-019-9804-7. ISSN 0075-5974.
- ↑ Knox, R.B.; McConchie, C.A. (1986). "Structure and function of compound pollen". Pollen and Spores Form and Function. Academic Press. pp. 265–282. ISBN 0-12-103460-7.
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