Deutzia yaeyamensis

Deutzia yaeyamensis (ヤエヤマヒメウツギ, Yaeyama hime-utsugi) is a species of flowering plant in the family Hydrangeaceae that is endemic to Iriomote in the Yaeyama Islands, Okinawa Prefecture, Japan.[2][3][4]

Deutzia yaeyamensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Cornales
Family: Hydrangeaceae
Genus: Deutzia
Species:
D. yaeyamensis
Binomial name
Deutzia yaeyamensis

Taxonomy

The species was first described by Japanese botanist Jisaburō Ōi in 1938.[2][3]

Description

Deutzia yaeyamensis is a deciduous shrub that grows to a height of approximately 1 metre (3 ft 3 in),[5][6] or to as high as 2 metres (6 ft 7 in).[7] The oval to ovate leaves are finely serrated, while the ovoid winter buds open into clusters of some five to ten flowers, with white petals and dark yellow anthers.[5][6][7]

Distribution

Deutzia yaeyamensis is endemic to Iriomote in the Ryūkyū Islands, where it may be found growing in sunny spots on the cliffs that flank the island's rivers.[6][7]

Conservation status

Deutzia yaeyamensis is classed as Endangered on the IUCN Red List and Ministry of the Environment Red List.[1][8] The species has been designated a National Endangered Species under the 1992 Act on Conservation of Endangered Species of Wild Fauna and Flora, and its collection and/or relocation are prohibited.[7][9]

References
  1. Ministry of the Environment, Japan (2016). "Deutzia yaeyamensis". IUCN Red List of Threatened Species. 2016: e.T73230624A73230632. doi:10.2305/IUCN.UK.2016-1.RLTS.T73230624A73230632.en. Retrieved 28 April 2022.
  2. Ohwi, J. (1938). "Symbolae ad Floram Asiae Orientalis 17". Acta Phytotaxonomica et Geobotanica (in Latin). 7 (3): 129–138 [p. 135]. doi:10.18942/bunruichiri.KJ00002594488. ISSN 0001-6799.
  3. Ohba, H.; Akiyama, S. (1992). "A Taxonomic Revision of Deutzia (Saxifragaceae, s.l.) in the Ryukyu Islands, S Japan" (PDF). Journal of Japanese Botany. 67 (3): 154–165. ISSN 0022-2062.
  4. Katō, M. [in Japanese]; Ebihara, A. [in Japanese] (March 2011). 日本の固有植物 [Endemic Plants of Japan] (in Japanese). Tokai University Press. pp. 75, 238, 312. ISBN 978-4-486-01897-1.
  5. ヤエヤマウツギ [Deutzia yaeyamensis] (in Japanese). Tsukuba Botanical Garden. Retrieved 28 April 2022.
  6. Ministry of the Environment, ed. (2015). レッドデータブック2014 —日本の絶滅のおそれのある野生生物— 8 植物I（維管束植物） [Red Data Book 2014 — Threatened Wildlife of Japan — Volume 8, Vascular Plants] (in Japanese). Gyōsei Corporation. p. 236. ISBN 978-4-324-09902-5.
  7. 維管束植物 [Red Data Okinawa: Vascular Plants] (PDF) (in Japanese). Okinawa Prefecture. 2018. pp. 174–5. Retrieved 28 April 2022.
  8. 維管束植物 [Vascular Plants] (in Japanese). Ministry of the Environment. 27 March 2020. Retrieved 28 April 2022.
  9. 国内希少野生動植物種一覧 [List of National Endangered Species] (in Japanese). Ministry of the Environment. 24 January 2022. Retrieved 28 April 2022.
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