Trigonostemon philippinensis Stapf

Yu, R. - Y. & Welzen, P. C. van, 2020, A taxonomic revision of Trigonostemon (Euphorbiaceae) outside Malesia, Blumea 65 (1), pp. 25-52 : 41

publication ID

https://doi.org/10.3767/blumea.2020.65.01.04

persistent identifier

https://treatment.plazi.org/id/623587E1-6B3C-FF25-FFAE-F017EA1AB563

treatment provided by

Felipe

scientific name

Trigonostemon philippinensis Stapf
status

 

23. Trigonostemon philippinensis Stapf View in CoL — sect. Tylosepalum — Map 12 View Map 12

Trigonostemon philippinensis Stapf (1907) View in CoL 206 (‘ philippinense ’); Pax & K.Hoffm. (1911) 91; Merr. (1923) 452; Airy Shaw (1981) 355; (1983) 47; R.I. Milne (1995) 27, in key, 29, in key. — Lectotype (designated here): Elmer 8326 (K, barcode K000959370; iso BO, sheet no. BO1298668, G, barcode G00435099, L, barcode L.2260355), Philippines, Luzon, Laguna prov., Los Baños, Mt Maquiling [= Mt Makiling].

Trigonostemon thyrsoideus Stapf (1909) View in CoL 264 (‘ thyrsoideum ’); Airy Shaw (1972) 348; H.S. Kiu (1996) 166; Chantar. (2005) 29; (2007) 584, pl. 32, 1; P.T.Li & M.G.Gilbert (2008) 274. — Type: Henry 11947 (A*, barcodes A00048871, A00048872, K, barcode K000959335, NY, barcode NY00273339), China, Yunnan, Simao (Szemao).

Trigonostemon laoticus Gagnep. (1922) View in CoL 751. — Prosartema laotica Gagnep. (1925b) View in CoL 306, syn. nov. — Type: Thorel s.n. (P, barcodes P00717113 , P00717114 , P00717115 ), Laos, Luang-prabang .

Prosartema stellaris Gagnep. (1924) View in CoL 875; (1925b) 304. — Trigonostemon stellaris (Gagnep.) Airy Shaw (1978) View in CoL 415, syn. nov. — Syntypes: Balansa 3322 (P, barcodes P00717163 , P00717164 , P00717165 ); Balansa 3323 (P, barcode P00717162 ); Balansa 3324 (P, barcodes P00717160 , P00717161 ), Vietnam, Tokin, Langkok (Mt Bavi) valley.

Trigonostemon nigrifolius N.P.Balakr. & Chakrab. (1984b) View in CoL 173; (1991) 625, f. 9, syn. nov. — Type: Po Khaut 12434 (holo DD*), Myanmar, Maymyo Dist. , Gokteik viaduct.

Description — See Yu & Van Welzen 2018.

Distribution — Myanmar (Maymyo), China, Thailand, Laos, Vietnam, Malay Peninsula, Sumatra, Borneo, Philippines.

Note — Trigonostemon nigrifolius is only known from the type collection and is considered conspecific with T. philippinensis here. The black leaves and blackish crimson petals appear to be a drying artefact.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Malpighiales

Family

Euphorbiaceae

Genus

Trigonostemon

Loc

Trigonostemon philippinensis Stapf

Yu, R. - Y. & Welzen, P. C. van 2020
2020
Loc

Trigonostemon nigrifolius N.P.Balakr. & Chakrab. (1984b)

N. P. Balakr. & Chakrab. 1984
1984
Loc

Trigonostemon stellaris (Gagnep.)

Airy Shaw 1978
1978
Loc

Prosartema laotica

Gagnep. 1925
1925
Loc

Prosartema stellaris

Gagnep. 1924
1924
Loc

Trigonostemon laoticus

Gagnep. 1922
1922
Loc

Trigonostemon thyrsoideus

Stapf 1909
1909
Loc

Trigonostemon philippinensis

Stapf 1907
1907
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