Sakhon Nakhon flora

 Sakhon Nakhon

Sakon Nakhon (Thai: สกลนคร, pronounced [sā.kōn ná(ʔ).kʰɔ̄ːn]) is a city (thesaban nakhon) in Thailand within the Isan region, and capital city of Sakon Nakhon Provinceas well as Mueang Sakon Nakhon District, with a population of approximately 76,000. Sakon Nakhon covers the whole tambon of That Choeng Chum and parts of tambonsNgio Don, Huai Yang, Dong Mafai, That Na Weng and Hang Hong. Sakon Nakhon is 651 km (405 mi) north-east of Bangkok by road.

The province is on the Khorat Plateau, not far from the Mekong. The Nong Hanlake, the biggest natural lake of northeast Thailand, near the city of Sakon Nakhon, is a popular resort. The Phu Phan Mountains delimit the province to the south. The total forest area is 1,692 km² (653 sq mi) or 17.7 percent of provincial area.^[1]

National parks

There are three national parks, along with four other national parks, make up region 10 (Udon Thani) of Thailand's protected areas.(Visitors in fiscal year 2024)^[5]

Phu Pha Yon National Park	829 km2(320 sq mi)	(19,061)
Phu Phan National Park	665 km2(257 sq mi)	(7,677)
Phu Pha Lek National Park	404 km2(156 sq mi)

Phu Phan National Park

Phu Phan National Park (Thai: ภูพานอุทยานแห่งชาติ) is a national park in Sakon Nakhon and Kalasin provinces, Thailand. This isolated park covers a wide jungle area in the Phu Phan Mountains of Isan.

Flora 

The park consists of seasonal tropical forest, with a large dry dipterocarp forest component. Other forest tree types here are dry evergreen and mixed deciduous.Tree species include Dalbergia cochinchinensis, Pterocarpus macrocarpus, Shorea roxburghii, Afzelia xylocarpa, Hopea odorata, Dipterocarpus alatus, Dipterocarpus obtusifolius, Dipterocarpus tuberculatus, Shorea obtusa, Terminalia alata, Irvingia malayana, Shorea siamensis, Lagerstroemia calyculata, Tetrameles nudiflora, Xylia xylocarpa Peltophorum dasyrhachis and Dillenia obovata.

Gesneriaceae

Sakhon Nakhon province in northeastern Thailand is an important habitat for Gesneriaceae (commonly known as the African Violet or gesneriad family), particularly within the sandstone and karst environments of Phu Phan National Park. 

Specific gesneriad species found in Sakhon Nakhon include:

• Didymocarpus brevicalyx: A distinct Gesneriaceae species that was discovered and described in the province. It is known to grow on sandstone boulders within the park's evergreen forest ecosystems. [Huai Wian Phrai, Phu Phan National Park, 340 m, 1 Aug. 1999, M. Newman 952 (holotype e!); Phu Phan Ratchaniwet Palace, 17 ̊10′N 104 ̊09′E, 11 Dec. 1980,]
• Microchirita species: Several members of the Microchirita genus have also been documented in the area's sandy and limestone soils. This genus is highly diverse in Thailand, with dozens of species ranging across the country. 
• พรหมมาสตร์ (Paraboea burttii): พืชถิ่นเดียวของไทย ที่พบในป่าดงดิบชื้น แผ่นใบด้านล่างมีขนสานคล้ายใยแมงมุม และถูกเรียกในท้องถิ่นแถบสกลนครว่า "หญ้าขี้ทูด"
• พืชจำพวกผักกาดหินและขาวศิลา (Paraboea และ Petrocosmea): พืชล้มลุกในวงศ์ชาฤๅษีที่พบกระจายพันธุ์ตามซอกหินและลานหินทรายบนเทือกเขาภูพาน

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 Sakon Nakhon Province in northeastern Thailand is divided into 21 districts (amphoes), containing a total of 125 subdistricts (tambons). The capital and main central area, Mueang Sakon Nakhon District, has 16 subdistricts, including the central city subdistrict of That Choeng Chum and others like Ngio Don, Huai Yang, and Dong Mafai.

No.	Name	Thai name	Villages	Pop.
1.	That Choeng Chum	ธาตุเชิงชุม	-	53,949
2.	Khamin	ขมิ้น	13	17,490
3.	Ngio Don	งิ้วด่อน	16	7,705
4.	Non Hom	โนนหอม	10	6,705
6.	Chiang Khruea	เชียงเครือ	17	16,703
7.	Tha Rae	ท่าแร่	8	10,986
9.	Muang Lai	ม่วงลาย	8	4,884
11.	Dong Chon	ดงชน	10	4,762
12.	Huai Yang	ห้วยยาง	16	13,354
13.	Phang Khwang	พังขว้าง	14	14,278
15.	Dong Mafai	ดงมะไฟ	11	9,304
16.	That Na Weng	ธาตุนาเวง	5	2,387
17.	Lao Po Daeng	เหล่าปอแดง	12	7,517
18.	Nong Lat	หนองลาด	10	6,273
20.	Hang Hong	ฮางโฮง	11	8,537
21.	Khok Kong	โคกก่อง	8	4,064