taxonID	type	description	language	source
792D3A7EFFA9EC6FFF5A2AC5FCA0D308.taxon	materials_examined	Type: — VIETNAM. Thua Thien Hue: Phu Loc, Bach Ma National Park, elev. 800 – 900 m, 26 April 2003, N. T. Hiep et al. HLF 1351 (holotype: HN!). Barringtonia laxiflora resembles B. macrostachya (Jack 1821: 47) Kurz (1875: 66) and B. pauciflora in leaf characters. The species differs from B. macrostachya by its erect inflorescence and pedicellate flower, and differs from B. pauciflora by its ovate leaf blades, longer inflorescence and pedicellate flowers. Tree 8 – 12 m high. Leaves with petioles 2 – 6 cm long, glabrous; lamina ovate, 15 – 35 × 6 – 13 cm, base cuneate, apex acute, margin entire, subcoriaceous, upper and lower surfaces glabrous; secondary veins 13 – 15 pairs. Inflorescences erect raceme, 20 – 23 cm long, terminal, sparsely flowered with up to 30 flowers; rachis 4 – 7 mm diam., glabrous; bracts not seen. Flowers pedicellate; pedicels 10 – 15 mm long; hypanthium funnel-shaped, 5 – 7 × 2 – 3 mm, 4 - gonous, glabrous; sepals 4, ovate, 5 – 10 × 5 – 9 mm, apex rounded, open in bud; petals 4, oblong, 12 – 25 × 5 – 10 mm, white; stamens 3 – 4 cm long in 2 – 3 staminal whorls, inner whorl staminodia 1; staminal tube 3 – 5 mm long; anthers subcircular, ca. 1 × 1 mm; disc 3 – 4 mm diam., ca. 0.5 mm high; ovary 2 – 4 - locular; ovules 2 – 4 per locule; style 3.5 – 4 cm long; stigma rounded, ca. 0.2 mm in diam. Fruits not seen. Distribution: — Endemic to Vietnam, known only from type location. (Fig. 4). Ecology: — In broadleaved evergreen secondary closed mountain forest on steep shale or granite slopes along road, elev. 800 – 1150 m. Phenology: — Flowering in April. Etymology: — The specific epithet refers to the lax or sparse arrangements of flowers on the inflorescence. Conservation status: — This species is endemic to Vietnam and known only from a single locality in Bach Ma National Park, Thua Thien Hue that has an area of about 220 km 2. Further collections are needed to allow complete evaluation of this species. A conservation status of Data Deficient (DD, IUCN 2012) is here considered on the basis of the data above. This apparently rare new species is in need of further survey to adequately areas its conservation status. Notes: — This species is distinguishable by its erect inflorescence and pedicellate flowers. It resembles B. macrostachya and B. pauciflora in leaf characters but differs from the former by its erect inflorescence and pedicellate flower whereas B. macrostachya has pendulous inflorescence and sessile flowers. The species differs considerably from the latter in its ovate leaf blades, inflorescence of 20 – 23 cm long and pedicellate flowers. In contrast, B. pauciflora has elliptic leaf blades, inflorescence of 5 – 7 cm long and sessile flowers. A comparison of morphological characters are shown in Table 1. From the herbarium label information, the flower of B. laxiflora is strongly sweet-fragrant. Additional specimens examined: — VIETNAM. Thua Thien Hue: Phu Loc, Bach Ma National Park, Khe Su, elev. 1100 – 1150 m, 20 April 2003, N. T. Hiep et al. HLF 1189 (HN).	en	Thammarong, Woranart, Chantaranothai, Pranom, Pornpongrungrueng, Pimwadee (2017): Three new species of Barringtonia (Lecythidaceae) from Myanmar and Vietnam. Phytotaxa 309 (2): 151-158, DOI: 10.11646/phytotaxa.309.2.6, URL: http://dx.doi.org/10.11646/phytotaxa.309.2.6
792D3A7EFFABEC6EFF5A2906FE3CD7E8.taxon	materials_examined	Type: MYANMAR. Amherst: Dawnas, Kawkareik – Myawaddy Road, elev. ca. 480 m, 25 February 1927, C. E. Parkinson 5267 (holotype: K!).	en	Thammarong, Woranart, Chantaranothai, Pranom, Pornpongrungrueng, Pimwadee (2017): Three new species of Barringtonia (Lecythidaceae) from Myanmar and Vietnam. Phytotaxa 309 (2): 151-158, DOI: 10.11646/phytotaxa.309.2.6, URL: http://dx.doi.org/10.11646/phytotaxa.309.2.6
792D3A7EFFABEC6EFF5A2906FE3CD7E8.taxon	distribution	Distribution: — Endemic to Myanmar. Ecology: — Not indicated on label information. Phenology: — Flowering in February. Etymology: — This species is named in honor of Charles Edward Parkinson (1890 – 1945), a Scottish forest botanist, who collected the type specimens. Conservation status: — This species is endemic to Myanmar and so far known from a single collection. Further collections are needed to allow complete evaluation of this species. A conservation status of Data Deficient (DD, IUCN 2012) is here merited on the basis of the data above. Notes: — Barringtonia parkinsonii is closely allied to B. scortechinii but differs in its lanceolate leaf blades, leaves 20 – 30 cm long and erect inflorescence of 6 – 8 cm long whereas B. scortechinii has elliptic leaf blades, leaves 8 – 20 cm long and pendulous inflorescence of 10 – 30 cm long (Table 1). The specimen C. E. Parkinson 5267 (K), the holotype of this species, was placed under B. abbreviata Craib (1930: 170) (synonym of B. pauciflora) by Prance (2012 b). However, it differs considerably from B. abbreviata in having a distinctly winged hypanthium whereas B. abbreviata has an unwinged hypanthium.	en	Thammarong, Woranart, Chantaranothai, Pranom, Pornpongrungrueng, Pimwadee (2017): Three new species of Barringtonia (Lecythidaceae) from Myanmar and Vietnam. Phytotaxa 309 (2): 151-158, DOI: 10.11646/phytotaxa.309.2.6, URL: http://dx.doi.org/10.11646/phytotaxa.309.2.6
792D3A7EFFAAEC6BFF5A2AFFFC40D4E4.taxon	materials_examined	Type: VIETNAM. Thua Thien Hue: Phu Loc, Bach Ma National Park, elev. 800 – 1000 m, 8 May 2003, N. T. Hiep et al. HLF 1685 (holotype: HN!). Barringtonia tomentosa is similar to B. macrostachya but differs by its elliptic leaf blades, entire leaf margins and tomentose hypanthium and sepals. Tree 15 – 20 m high. Leaves with petioles 1 – 3 cm long, glabrous; lamina elliptic, 10 – 15 × 4 – 8 cm, base cuneate, apex acute, margin entire, subcoriaceous, upper and lower surfaces glabrous; secondary veins 9 – 11 pairs. Inflorescences pendulous spike, 20 – 22 cm long, terminal, sparsely flowered with up to 30 flowers; rachis 2 – 3 mm diam., puberulous or glabrous; bracts not seen. Flowers sessile; hypanthium funnel-shaped, 5 – 6 × 4 – 5 mm, 4 - gonous, tomentose; sepals 4, triangular, 5 – 7 × 4 – 5 mm, apex acute, open in bud, tomentose; petals 4, elliptic, 10 – 15 × 4 – 6 mm, white-pink; stamens 2 – 2.5 cm long in 2 – 3 staminal whorls, inner whorl staminodia 1; staminal tube 1 – 3 mm long; anthers subcircular, ca. 0.5 × 0.5 mm; disc ca. 3 mm diam., ca. 1 mm high; ovary 4 - locular; ovules 2 – 3 per locule; style 2.5 – 5 cm long; stigma rounded, ca. 0.5 mm in diam. Fruits not seen. Distribution: — Endemic to Vietnam. Ecology: — In broadleaved evergreen primary closed forest along ridge, at elev. 800 – 1350 m. Phenology: — Flowering in May. Etymology: — The specific epithet refers to the tomentose hypanthium and sepals. Conservation status: — This species is endemic to Vietnam, known only from Bach Ma National Park, Thua Thien Hue. Further collections are needed to allow a more complete understanding of this species. A conservation status of Data Deficient (DD, IUCN 2012) is here assessed on the basis of the data above. Notes: — Barringtonia tomentosa is morphologically similar to B. macrostachya in its pendulous spike with sessile flowers and 4 - gonous hypanthium but it distinctly differs in its elliptic leaf blades, entire leaf margins and tomentose hypanthium and sepals, whereas B. macrostachya has elliptic-oblong leaf blades, serrate-crenulate leaf margins and glabrous hypanthium and sepals (Table 1). Additional specimens examined: — VIETNAM. Thua Thien Hue: Phu Loc, Bach Ma National Park, Dong Truoi, elev. 1300 – 1350 m, 21 March 2005, J. Regalado et al. CFH- 094 (HN).	en	Thammarong, Woranart, Chantaranothai, Pranom, Pornpongrungrueng, Pimwadee (2017): Three new species of Barringtonia (Lecythidaceae) from Myanmar and Vietnam. Phytotaxa 309 (2): 151-158, DOI: 10.11646/phytotaxa.309.2.6, URL: http://dx.doi.org/10.11646/phytotaxa.309.2.6
