Trichoglottis maculata (Smith) Smith (1918: 106)

Averyanov, Leonid V., Thai, Tran Huy, Truong, Ba Vuong, Nguyen, Van Canh, Nguyen, Tuan Hoang, Maisak, Tatiana V., Nguyen, Khang Sinh & Nguyen, Van Khuong, 2022, New orchids in the flora of Vietnam (Orchidaceae, Aeridinae), Phytotaxa 555 (2), pp. 113-135 : 129

publication ID

https://doi.org/ 10.11646/phytotaxa.555.2.1

DOI

https://doi.org/10.5281/zenodo.6901772

persistent identifier

https://treatment.plazi.org/id/038CE12F-1503-FFA7-AB9F-D20FFA52F993

treatment provided by

Plazi

scientific name

Trichoglottis maculata (Smith) Smith (1918: 106)
status

 

Trichoglottis maculata (Smith) Smith (1918: 106) View in CoL .

T. lanceolaria Blume (1825: 360) var. maculata Smith (1905: 619) View in CoL .

= T. lanceolaria View in CoL auct. non Blume, 1825: Averyanov & Averyanova (2003: 59).

( Figs. 8 E, F View FIGURE 8 )

Type: — INDONESIA. Java: Bobodjong ( J. J. S.); Goenoeng Batoe (not located) .

Habitat, phenology and conservation status: —Epiphyte. Broad-leaved evergreen lowland forests at elevations 300–400 m a.s.l. Fl. April–June. Very rare. Suggested IUCN Red List status – EN.

Distribution: —Southern Vietnam (Dong Nai, Dak Lak and Lam Dong provinces), Thailand, Cambodia, Malaysia, E Indonesia.

Note: —The discovery of this species in three locations in Dak Lak, one in Lam Dong, and one in Dong Nai Provinces is not much surprising. Vietnamese records naturally extend the known area of this species typical for lowland warm-loving forests of the southern part of Indochinese Peninsula to the east. Field observations in all recorded locations indicate this species in Vietnam as a very rare plant presented by very small, highly fragmented populations. According to discovered locations closely allied to each other, the area of its occurrence (EOO) in Vietnam are surely less than 10000 km 2, and the area of the species occupancy (AOO) in all five known populations may be very small due to intensive deforestation and agricultural land exploitation in the area of the species occurrence. The wide loss of habitats identify the tentative conservation status of this species as a nationally Endangered – EN A3(c), B1ab(i, iii), B2ab(i, iii) according to formal IUCN criteria ( IUCN 2019).

Studied specimens: — VIETNAM, Dac Lac Province, Buon Don District, Krong Na Municipality, Yok Don National Park, Yok Don Ridge around point 12º51’12”N 107º41’18”E, primary dry evergreen forest on thin gray soils derived from sandstone with quartzite dykes along ridge edge at elevation 300–350 m a.s.l., epiphyte on shady place, rare, 18 March 2008, N.T.Hiep, Averyanov L., P.K.Loc, N.T.Vinh, N.S.Khang, T.H. Thai , N.V. Trai HLF 7183, flowered in Hanoi in Hiep Garden at June 2009 (photos LE01122270 https://en.herbariumle.ru/?t=occ&id=82753). VIETNAM, Dak Lac Province, Krong No, Nguyen Van Canh s.n. photo 06 June 2015 (photos LE01122267 https://en.herbariumle. ru/?t=occ&id=82747). VIETNAM, Dak Lak Province, Krong Bong Commune, Pham Dinh Hiep, Nguyen Hoang Tuan s.n. 25.04.2018 (LE01076457 https://en.herbariumle.ru/?t=occ&id=57337, photos LE 01087096 https:// en.herbariumle.ru/?t=occ&id=18618). VIETNAM, Dong Nai Province, sine loc., 9 July 2020, Truong Ba Vuong, BV 685 (VNM, photos LE01087104 https://en.herbariumle.ru/?t=occ&id=18627). VIETNAM, Lam Dong Province, Bao Loc District, 14 July2020, Dinh Quang Diep, s.n. (photos LE01087095 https://en.herbariumle.ru/?t=occ&id=18617)

J

University of the Witwatersrand

S

Department of Botany, Swedish Museum of Natural History

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Asparagales

Family

Orchidaceae

Genus

Trichoglottis

Loc

Trichoglottis maculata (Smith) Smith (1918: 106)

Averyanov, Leonid V., Thai, Tran Huy, Truong, Ba Vuong, Nguyen, Van Canh, Nguyen, Tuan Hoang, Maisak, Tatiana V., Nguyen, Khang Sinh & Nguyen, Van Khuong 2022
2022
Loc

T. lanceolaria

Averyanov, L. V. & Averyanova, A. L. 2003: 59
2003
Loc

Trichoglottis maculata

Smith, J. J. 1918: )
1918
Loc

T. lanceolaria Blume (1825: 360) var. maculata

Smith, J. J. 1905: )
1905
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