Lasianthus sikkimensis Hook. f. 1880
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
63. Lasianthus sikkimensis Hook.f. (1880: 180) — Fig. 93 (plate), Fig. 94 (map)
Type: — INDIA. Sikkim, Hooker & Thomson 11 (holotype K! [K000031598]; isotypes L! [L0000706, L0000705], LE! [LE00017554]).
Lasianthus tsangii Merr. ex H.L.Li (1943: 457). Type:— CHINA. Kwangsi (Guangxi), W.T.Tsang 23940 (holotype IBSC!).
Lasianthus baviensis (Drake) Pit. (1924: 380). Type:— VIETNAM. Ha Noi City, Ba Vi District, 1 July 1887, Balansa 2655 (holotype P! [P04009933]; isotype K! [K000777006]).
Lasianthus langkokensis (Drake) Pit. (1924: 397). Type:— VIETNAM. Ha Noi City, Ba Vi District, 1 October 1887, Balansa 2654 (holotype P!).
Specimens examined: — VIETNAM. Northern: Vinh Phuc Province, Tam Dao National Park, 1124 m elev., 13 November 2018, Dang V.S. & Naiki A., Dang 237 (VNM, the herbarium of Iriomote Station (Japan)); Ha Noi City, Ba Vi National Park, 1267 m elev., 17 November 2018, Dang V.S. & Naiki A., Dang 281 (VNM, the herbarium of Iriomote Station (Japan)).
Distribution: —Widespread in the tropical and subtropical regions in Asia (Bangladesh, China, India, Malaysia, Philippines, Thailand). In Vietnam, Lasianthus sikkimensis occurs in Ha Noi, Hoa Binh, and Vinh Phuc.
Habitat & Ecology: —Growing in the shade of evergreen forest or the hill of evergreen montane forest at 700– 1300 m elev.
Phenology: —Flowering and fruiting from July to November.
Vernacular name: —Xú hưƠng ba vì, Xú hưƠng lăng cốc.
Notes: — Lasianthus sikkimensis was described in 1880 by Hooker. It was clarified in the revision by Zhu et al. (2012) and two Vietnamese species, L. langkokensis (Drake) Pit. (1924: 397) and L. baviensis (Drake) Pit. (1924: 380) were treated as the synonyms of L. sikkimensis.
This species is easily identified in the field by having densely brown-tomentose on branches, leaf blade ellipticlanceolate or elliptic, 10–20 cm long, bracts linear to lanceolate, 0.5–2 cm long, brown-tomentose, and fruits ellipsoid, blue when ripe.
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- IBSC , LE , VNM
- Event date
- 1887-07-01 , 1887-10-01 , 2018-11-13
- Family
- Rubiaceae
- Genus
- Lasianthus
- Kingdom
- Plantae
- Material sample ID
- LE00017554
- Order
- Gentianales
- Phylum
- Tracheophyta
- Scientific name authorship
- Hook. f.
- Species
- sikkimensis
- Taxon rank
- species
- Type status
- holotype
- Verbatim event date
- 1887-07-01 , 1887-10-01 , 2018-11-13/17
- Taxonomic concept label
- Lasianthus sikkimensis f., 1880 sec. Dang & Naiki, 2023
References
- Zhu, H., Roos, M. C. & Ridsdale, C. E. (2012) A taxonomic revision of the Malesian species of Lasianthus (Rubiaceae). Blumea 57: 1 - 102. https: // doi. org / 10.3767 / 000651912 X 652012