Lasianthus formosensis Matsum. 1901
Creators
- 1. Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa, 907 - 1541 Japan. & Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan Street, District 3, Ho Chi Minh City, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam. & dvsonitb @ gmail. com; https: // orcid. org / 0000 - 0001 - 8681 - 4141
- 2. Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa, 907 - 1541 Japan. & Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa, 907 - 1541 Japan. & naiki @ lab. u-ryukyu. ac. jp; https: // orcid. org / 0000 - 0002 - 3235 - 2823 * Author for correspondence
Description
24. Lasianthus formosensis Matsum. (1901: 17) — Fig. 45 (plate), Fig. 42 (map)
Type: — CHINA. Taiwan, Y. Tashiro & S. Tanaka 131 (holotype TI!).
Lasianthus tenuicaudatus Merr. (1931: 324). Type:— CHINA. Guangdong, Y. Tsiang 822 (holotype IBSC!).
Lasianthus kwangsiensis Merr. ex H.L.Li (1943: 458). Type:— THAILAND. Chanthaburi, Khao Soi Dao, 12 December 1924, Kerr 9618 (holotype K! [K000777028]; isotype E! [E00327853]).
Specimens examined: — VIETNAM. Northern: Ha Noi City, Ba Vi National Park, 1267 m elev., 17 November 2018, Dang V.S. & Naiki A., Dang 280 (VNM, the herbarium of Iriomote Station (Japan)); in the same location, 1268 m elev., 17 November 2018, Dang V.S. & Naiki A., Dang 282 (VNM, the herbarium of Iriomote Station (Japan)); Ninh Binh Province, Cuc Phuong National Park, 365 m elev., 18 November 2018, Dang V.S. & Naiki A., Dang 287 (VNM, the herbarium of Iriomote Station (Japan)); in the same location, 368 m elev., 18 November 2018, Dang V.S. & Naiki A., Dang 288 (VNM, the herbarium of Iriomote Station (Japan)).
Distribution: —Widespread in tropical and subtropical regions in Asia (China, Japan, Thailand). In Vietnam, Lasianthus formosensis occurs in Ha Noi, Ha Tinh, Ninh Binh and Thua Thien Hue.
Habitat & Ecology: —Growing in secondary montane forest, the edge of the forest, and an open area at 300–1300 m elev.
Phenology: —Flowering and fruiting from June to December.
Vernacular name: —Xú hưƠng nhiễu hoa.
Notes: — Lasianthus formosensis was clarified in the revisions by Zhu (2001) and Zhu & Taylor (2011). This species can be recognized in the field in having oblong to ovate-elliptic leaves, secondary veins 6–7 on each side of midrib, flowers grouped by 6–9, lanceolate calyx lobes longer than the tube, and fruit ovoid-globose, blue when ripe.
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- IBSC , VNM
- Event date
- 1924-12-12 , 2018-11-17
- Family
- Rubiaceae
- Genus
- Lasianthus
- Kingdom
- Plantae
- Order
- Gentianales
- Phylum
- Tracheophyta
- Scientific name authorship
- Matsum.
- Species
- formosensis
- Taxon rank
- species
- Type status
- holotype
- Verbatim event date
- 1924-12-12 , 2018-11-17/18
- Taxonomic concept label
- Lasianthus formosensis Matsum., 1901 sec. Dang & Naiki, 2023
References
- Zhu, H. (2001) A taxonomic revision of the genus Lasianthus Jack (Rubiaceae) from Thailand. Acta Phytotaxonomica Sinica 39: 116 - 150.
- Zhu, H. & Taylor, C. M. (2011) Lasianthus. In: Wu, Z. Y., Raven, P. H. & Hong, D. Y. (Eds.) Flora of China, vol. 19. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 185 - 198.