Published January 11, 2022 | Version v1
Taxonomic treatment Open

Bulbophyllum nodosum Smith 1912

  • 1. School of Education, Can Tho University, 3 / 2 Street, Ninh Kieu District, Can Tho City, Vietnam. & dmquan @ ctu. edu. vn; https: // orcid. org / 0000 - 0002 - 0613 - 8532
  • 2. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam & Institute of Tropical Biology Vietnam Academy of Science and Technology, 85 Tran Quoc Toan, District 3, Ho Chi Minh City, Vietnam & dvsonitb @ gmail. com; https: // orcid. org / 0000 - 0001 - 8681 - 4141
  • 3. Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov Street 2, 197376, St. Petersburg, Russia & tmaisak @ mail. ru; https: // orcid. org / 0000 - 0001 - 5919 - 6755
  • 4. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam & Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam & bvhuong 90 @ gmail. com; https: // orcid. org / 0000 - 0002 - 6219 - 1055
  • 5. The Faculty of Chemistry and Biology, University Grenoble Alpes & Department of Biosciences, University of Milan & baongan. botany @ gmail. com; https: // orcid. org / 0000 - 0001 - 6971 - 3111
  • 6. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam & Institute of Tropical Biology Vietnam Academy of Science and Technology, 85 Tran Quoc Toan, District 3, Ho Chi Minh City, Vietnam & bavuong 2019 @ yahoo. com; https: // orcid. org / 0000 - 0003 - 3452 - 8455

Description

3. B. nodosum (Rolfe 1895: 35) Smith (1912: 26), Seidenfaden (1973: 73), Pearce & Cribb (2002: 479) (Fig 1).

Cirrhopetalum nodosum Rolfe (1895: 35). Type:— INDIA, Nilgiri, O’Brien s.n. (K000829967 photo!, http://specimens.kew.org/ herbarium/ K000829967).

Rhytionanthos nodosum (Rolfe 1895: 35) Garay, Hamer & Siegerist (1994: 639).

Habitat and phenology:—Creeping epiphyte on large trees in dry forests at elevation of about 1000 m a.s.l.

Distribution:— Vietnam (Son La Province). India.

Notes:—The species is very close to B. helenae, but can be easily distinguished by the clavate hairs on pedicel, ovary, and abaxial surface of sepals, as well as in having nodular swellings on the thick rhizome. Our discovery represent new national record of this species in the flora of Vietnam.

Studied specimens:— INDIA, Nilghiri Hills, s.coll., s.n. (K000829967 photo!, type of B. nodosum). INDIA, Nilghiri Hills, s.coll., s.n. (K000829965 photo! http://specimens.kew.org/herbarium/ K000829965, K000829966 photo! http://specimens.kew.org/herbarium/ K000829966, K000829968 photos! http://specimens.kew.org/herbarium/ K000829968). VIETNAM, Dien Bien Province, Tua Chua District, Sin Chai Municipality, around point 22°03’38”N 103°19’56”E, primary humid evergreen broad-leaved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation of 1350–1500 m a.s.l., epiphyte, occasional, 14 December 2010, L. Averyanov et al., CPC 982 a/3 (LE01068417 http://en.herbariumle. ru/?t=occ&id=15085, LE01055568 http://en.herbariumle.ru/?t=occ&id=7316, LE01087022 http://en.herbariumle. ru/?t=occ&id=18117 photos). VIETNAM, herbarium specimen prepared from plants cultivated in private garden in Ho Chi Minh City, originated from Son La Province, Thuan Chau District, 28 August 2021, Truong Ba Vuong BV 1260 (VNM00069916, LE01122925 http://en.herbariumle.ru/?t=occ&id=107046 photos), BV 1261 (VNM00069917), 15 September 2020, Truong Ba Vuong, Ngo Quang Dang, BV 1298 (VNM00069922).

Notes

Published as part of Dang, Minh Quan, Averyanov, Leonid V., Dang, Van Son, Maisak, Tatiana, Bui, Van Huong, Tu, Bao Ngan & Truong, Ba Vuong, 2022, Bulbophyllum section Rhytionanthos (Orchidaceae) in Vietnam with description of new taxa and new national record, pp. 257-270 in Phytotaxa 530 (3) on page 265, DOI: 10.11646/phytotaxa.530.3.1, http://zenodo.org/record/5835973

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Additional details

References

  • Rolfe, R. A. (1895) New orchids 13. Bulletin of miscellaneous information (Royal Gardens, Kew) 1895: 33 - 37. https: // doi. org / 10.2307 / 4115490
  • Smith, J. J. (1912) Bulbophyllum Thou. Sect. Cirrhopetalum. Bulletin du Jardinbotanique de Buitenzorg Ser. 2, no. 8: 19 - 29.
  • Seidenfaden, G. (1973) Notes on Cirrhopetalum Lindl. Dansk Botanisk Arkiv 29: 1 - 260.
  • Pearce, N. R. & Cribb, P. J. (2002) The orchids of Bhutan. Vol. 3, Part 3. Royal Botanic Garden Edinburgh, Kew and Royal Government of Bhutan, 643 pp.
  • Garay, L. A., Hamer, F. & Siegerist, E. S. (1994) The genus Cirrhopetalum and the genera of the Bulbophyllum alliance. Nordic Journal of Botany 14: 609 - 646. https: // doi. org / 10.1111 / j. 1756 - 1051.1994. tb 01080. x