Wilawan Promprom

• Mahasarakham University

Camchaya khongchiamensis Chatan & Promprom (Asteraceae), a new species from Ubon Ratchathani Province, Thailand, is described and illustrated. It is similar to C. loloana, but clearly different from C. loloana by having a larger size of capitula, involucre, receptacle, and corolla lobe. In addition, it mostly has fewer florets (18–40 [−50]) per cap...

Zingiber baumii Chatan & Promprom, a new species from the Zingiberaceae family, is described from Sakon Nakhon Province in northeastern Thailand. This species was identified during field expeditions conducted between 2018 and 2024 in Phu Pha Yol National Park. The morphological characteristics of Z. baumii, such as red or pinkish‐red leaf sheaths,...

Diversity and Ethnobotany of Plants in the Euphorbiaceae and Phyllanthaceae in Kantharalak District, Si Sa Ket Province, Thailand

A new subspecies, Ardisia crenata Sims subsp. mukdahanensis Chatan & Promprom (Primulaceae), is described from Mukdahan Province, Thailand. This discovery was made during field studies conducted from 2021 to 2023, during which the authors collected and analysed specimens, comparing them with relevant taxonomic literature and herbarium collections....

The effects of dietary supplementation of spray-dried hog plum (Spondias pinnata (L.f.) Kurz) fruit powder (SPP) on growth, digestive enzyme activity, and skin mucus immune parameters of climbing perch (Anabas testudineus (Bloch, 1972)) were examined. The fish (N = 330; 2.00±0.1 g) were assigned to five groups in triplicates. They were fed differen...

Alocasia sakonakhonensis Chatan & Promprom (Araceae), a new species from Thailand, is described and illustrated. It is clearly different from other previously known species by leaves, spathe, ovary, sterile interstice, synandria, and appendix. The preliminary conservation status assessment of the new species was considered as “Endangered (EN),” acc...

Star apple (Chrysophyllum cainito L.) has been used to treat several diseases. However, using this plant as a feed additive in aquaculture production is rare. Therefore, this work aimed to investigate the effects of dietary star apple peel extract (SAPE) on growth performance, intestinal histology, hematology, and non-specific immune parameters in...

This study focuses on the ethnobotanical and antioxidant properties of seasoning plants used in food, assessing 33 flavored plant species' total phenolic and flavonoid content, along with their antioxidant capabilities. The research employed the Folin-Ciocalteu method to determine total phenolic content (TPC), while total flavonoid content (TFC) wa...

Dioscorea alata L., commonly known as water yam, has attracted the attention of scientific researchers for its potential anti-diabetic and estrogenic properties. However, the existing literature lacks specific studies on the anti-diabetic and estrogenic effects of D. alata in the context of type 2 diabetic ovariectomized rats. Thus, Our research fo...

The effects of dietary supplementation of spray-dried hog plum (Spondias pinnata (L.f.) Kurz) fruit powder (SPP) on growth, digestive enzyme activity, and skin mucus immune parameters of climbing perch (Anabas testudineus (Bloch, 1972)) were examined. The fish (N = 330; 3.58±0.12 g) were assigned to five groups in triplicates. They were fed differe...

Amorphophallus sakonnakhonensis Chatan & Promprom, a new species from northeastern Thailand, is described and illustrated. The new species is most similar to A. harmandii Engl. & Gehrm. and A. linearis Gagnep., but it is distinguished by the combination of characters as follows: clear differences with A. harmandii are shorter style; disc-like, slig...

Objective: To evaluate and compare the antidiabetic and antioxidant activities of fruit pulp extracts from Cucurbita moschata (PCMOS) and Cucurbita maxima (PCMAX). Methods: The antidiabetic activity was carried out in vivo by orally and daily giving the extracts at a dose of 500 mg/kg·b.w. to the streptozotocin-induced diabetic male albino Wista...

morphophallus coudercii is reported as a new record from Nakhon Phanom Province, North-Eastern Thailand. The species is characterized by having a long tuber, a male floral zone contiguous to the female zone, the absence of an appendix, and the presence of warts on the adaxial side near the base of the spathe. Detailed descriptions based on recently...

Acilepis nakhonphanomensis Chatan & Promprom, a new species in the Sunflower family (Asteraceae) from northeastern Thailand, is described and illustrated. It mainly differs from other previously known similar Acilepis species by the receptacle, leaf blade margin, involucre, floret, corolla tube, anther, style, and achene. Colour illustrations, line...

Stemona namkhunensis Chatan & Promprom, a new species from the East of Thailand, is described and illustrated. It is morphologically similar to S. collinsiae Craib but clearly differs in the characteristic of the petiole, lamina, tepal, stamen, pistil, simple and pedunculated flower, and lacking bract. A morphological description, distribution, eco...

Dischidia phuphanensis Chatan & Promprom, a new species from north-eastern Thailand, is described and illustrated. The new species is similar to D. tonkinensis Costantin, but is distinguished by the shape of its leaves, the apices of the staminal corona lobes, the colour of the corolla and the absence of a corolline corona. The distinguishing chara...

Bauhinia thailandica, a new species in the tribe Cercideae, subfamily Cercidoideae in the Leguminosae collected from the Northeast of Thailand, is described and illustrated. It is similar to B. acuminata and B. hirsuta but easily distinguished by their habits, indumentum, floral bud, hypanthium, petal and bud. The distinguishing characters of these...

Sindorastipitata , a new species in the subfamily Detarioideae (Leguminosae), collected from Nakhon Phanom Province, Thailand, is described and illustrated. The new species is morphologically similar to S.leiocarpa but differs in its smaller stature (3–5 m high), 6-foliolate paripinnate leaves, falcate persistent stipules, presence of a petal auric...

Context: Euphorbia hirta L. has been wildly used for its health benefits. It has been used as a decoction and to treat diarrhea, peptic ulcers, menstrual problems and venereal diseases. Aims: The study aims to investigate the estrogenic effects of E. hirta on ovariectomized (OVX) rats. Methods: The ovariectomized rats were divided into four groups,...

Objectives: This research was carried out for describing, illustrating and treating a new medicinal plant variety in the genus Trichosanthes. Methods: This research was carried out by collecting plant specimens in the Northeastern Thailand. Morphological characters were studied and compared with the closely related taxon and taxonomic literatures....

The typification of the name Ardisia stipitata is discussed. The protologue of the name and the original material are evaluated. A specimen from the Royal Botanic Gardens, Kew (K) is designated as the lectotype.

Aims: Leaves of B. nakhonphanomensis were extracted and the extract was used in gas chromatography-mass spectrometry (GC-MS) analysis to evaluate the total phenols, total flavonoids and antioxidant activity. Methods: The extract of B. nakhonphanomensis was analyzed by GC-MS. Quantitative analysis for total phenols was done by the Folin-Ciocatteu me...

A new subspecies of Ardisia crenata Sims (Primulaceae), namely A. crenata Sims subspecies obtusifolia Chatan & W. Promprom, collected from Nakhon Pranom Province, Thailand, is described and illustrated. The distinguishing morphological characters between two similar subspecies are discussed. The new taxa is clearly different from the other subspeci...

Aim: Various properties of Houttuynia cordata Thumb. has been reported. However, few studies on its pharmacological effects have been documented. To elucidate whether there are more pharmacological effects of this plant, this study was therefore, carried out to determine the anti-hyperglycemic and anti-hyperlipidemic effects of 80% ethanol extract...

The aim of this study was to investigate the effects of pomegranate (Punica granatum L., Punicaceae) seed extract on uterine contractility. Pomegranate seeds were methanolic extracted and their constituents analyzed using gas chromatography and mass spectrometry. Isometric force was measured in strips of longitudinal rat myometrium and the effects...