Two new species of Friesodielsia (Annonaceae) from Peninsular Thailand

Leeratiwong, Charan; Karapan, Sunate; Satthaphorn, Jiratthi; Johnson, David M.

doi:10.11646/phytotaxa.589.1.7

Cited by 1 publication

(4 citation statements)

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“…In addition, recent new species of Friesodielsia , including F. betongensis Leerat., F. chalermgliniana Leerat., and F. lalisae , were also discovered from this range of forests within Yala and Narathiwat Provinces [ 7 , 14 ]. Twenty of twenty-one Friesodielsia species can be found in peninsular Thailand, where the highest number of species of this genus is found, except for F. discolor (Craib) D. Das [ 3 , 7 , 14 ]. Of these, several species such as F. betongensis , F. brevistipitata Leerat., F. chalermgliniana , F. khaoluangensis Leerat.…”

Section: Discussionmentioning

confidence: 99%

“…Their morphological characteristics were described, and all plant terminology follows Beentje [ 32 ]. The morphological description was based on herbarium-dried specimens, while the colors of the specimens were derived from living materials [ 14 ]. The information for the IUCN conservation assessments following the IUCN’s guidelines [ 12 ] was collected using the online tool GeoCat [ 11 ].…”

Section: Methodsmentioning

confidence: 99%

“…All cited specimens in this study were observed by the authors and recently collected specimens were deposited at the PSU Herbarium. The literature regarding the genus Friesodielsia in Thailand and neighboring areas was reviewed [1,[3][4][5]7,9,14,27,30,31].…”

Section: Methodsmentioning

confidence: 99%

“…Morphological evidence was used to circumscribe Friesodielsia species, following previous studies by Leeratiwong et al [3,5,14] and Damthongdee et al [7]. The collected specimens were compared with previously known species, based on both vegetative and reproductive parts, e.g., stems, leaves, inflorescences, flowers, and fruits, using a stereomicroscope (Olympus SZ51, Tokyo, Japan).…”

Section: Methodsmentioning

confidence: 99%

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Friesodielsia parvimitra (Annonaceae), a New Species from Peninsular Thailand and a Note on F. argentea

Satthaphorn,

Johnson,

Leeratiwong

2024

Plants

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During botanical expeditions focused on the study of Annonaceae in Thailand, specimens resembling Friesodielsia glauca were collected from the lower part of peninsular Thailand but were believed to differ from that species in vegetative, flower, and fruit characters. A morphological investigation of the new specimens and species complex was conducted. Specimens (including types of F. glauca and similar species collected from Thailand and adjacent regions) were examined in the following herbaria: A, BK, BM, BKF, E, K, KEP, KKU, L, PSU, QBG, SING, and US. As a consequence, the new species Friesodielsia parvimitra, endemic to peninsular Thailand, is described and illustrated. The conservation status of the new species was provisionally assessed as Critically Endangered (CR, B2ab(iii)) following the IUCN’s guidelines. In addition, F. argentea, previously regarded F. glauca, is reinstated here as a distinct species based on several morphological differences and is reported as a new record from Thailand. Photographs, line drawings, and a revised key to F. glauca and similar species are presented.

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