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THAI JOURNAL OF BOTANY 3 (2): 147-161. 2011. ªµ¦µ¦¡§¬«µ¦rÅ¥ 3 (2): 147-161. 2554. ªµ¤®¨µ®¨µ¥ °¨oª¥Å¤oÄ°»¥µÂ®nµ·»n¨®¨ª Diversity of Orchids in Thung Salaeng Luang National Park °o°¡¦ Áº°¨oµ¥1 ´¦´¥ Á·Â¦ª¥1, * ¨³ ¤¦µ »¸2 ORPORN PHUEAKKHLAI1, CHATCHAI NGERNSAENGSARUAY1, * & SOMRAN SUDDEE2 £µª·µ¡§¬«µ¦r ³ª·¥µ«µ¦r ¤®µª·¥µ¨´¥Á¬¦«µ¦r »´¦ ¦»Á¡² 10900 Department of Botany, Faculty of Science, Kasetsart University, Chatuchak, Bangkok 10900, Thailand 2 ¶´µ®°¡¦¦Å¤o ¶´ª·´¥µ¦°»¦´¬riµÅ¤o¨³¡´»r¡º ¦¤°»¥µÂ®nµ· ´ªriµ ¨³¡´»r¡º »´¦ ¦»Á¡² 10900 2 The Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation, Chatuchak, Bangkok 10900, Thailand 1 1 ´¥n°. «¹¬µªµ¤®¨µ®¨µ¥ °¨oª¥Å¤oÄ°»¥µÂ®nµ·»n¨®¨ª ´ÊÂnÁº°¤¦µ¤ ¹´ªµ¤ ¡.«. 2550 ¶¦ªÂ¨³ÁÈ´ª°¥nµÄ£µµ¤ 6 Áoµ¶¦ª ¦°¨»¤´¤¡º 5 · ÅoÂn »n®oµ iµÁȦ´ iµ·Â¨o iµÁȦ´¤Å¤o ¨³iµ·Á µÉ¶ ªµ¤¼µ¦³´ ʶ³Á¨ 500-950 Á¤¦ ¡ 3 ª«r¥n°¥ 43 »¨ 79 · ª«r¥n°¥¸É¤¸¶ª·¤µ¸É»º° Epidendroideae 70 · ¦°¨¤µº° Orchidoideae 8 · ¨³ Apostasioideae 1 · »¨¸É¤¸ ¶ª·¤µ¸É»º° Dendrobium 16 · ¡¨oª¥Å¤o¸É´°¥¼nĵ£µ¡¡º®µ¥µ 3 · ÅoÂn Á°ºÊ°Ê¶o (Calanthe cardioglossa Schltr.) µ°´Êª (Pecteilis susannae (L.) Raf.) ¨³ Á°ºÊ°¸ÁºÊ°° (Pennilabium struthio Carr) ABSTRACT. Study on diversity of orchids in Thung Salaeng Luang National Park was conducted from January to December 2007. Field surveys and specimen collections were made along six routes representing five vegetation types at 500-950 m.s.l. of savanna, deciduous dipterocarp forest, dry evergreen forest, pine-deciduous dipterocarp forest and lower montane rain forest. Seventy-nine species with 43 genera and three subfamilies were identified. Subfamilies Epidendroideae, Orchidoideae and Apostasioideae are found 70, eight and one species, respectively. Dendrobium is the most common genus with 16 species. Three species are * Corresponding author: [email protected] Received: 29 September 2011 Accepted: 25 October 2011 148 üśüíò ċëĆüÐÓôśāñ ČôÿÓâÿ treated as rare plants namely Calanthe cardioglossa Schltr., Pecteilis susannae (L.) Raf. and Pennilabium struthio Carr. ¶¶´: ªµ¤®¨µ®¨µ¥, ¨oª¥Å¤o, °»¥µÂ®nµ·»n¨®¨ª KEYWORDS: Diversity, Orchids, Thung Salaeng Luang National Park ¶ ¡ºª«r¨oª¥Å¤oĦ³Á«Å¥¤¸¦³¤µ 177 »¨ 1,133 · (Thaithong, 1999) Á} ª«r ¸É ¤¸ ¶ª· ¤µ¸É » °¦³Á«Å¥ ·Á}¦³¤µ¦o°¥¨³ 10 °¡º¤¸n°¨¶Á¨¸¥ (vascular plants) ¤¸µ¦¦³µ¥¡´»r´ÊÂnÁ °°»n ¹ Á ¦o ° n ª Ä®n ¤¸ ·É ¶Á· Ä £¼ ¤· £ µÁ°Á¸ ¥ ³ª´ °°Á¸ ¥ Äo Ä{ » ´ ¨oª¥Å¤oÁ}¡º¨»n¤®¹É¸ÉÅo¦´ªµ¤Ä¤µ ÁºÉ°µÁ}¡º¸É¤¸¤¼¨nµµÁ«¦¬· ¹¶Ä®o ¨oª¥Å¤oiµ °¦³Á«Å¥¤¸¶ª¨o°¥¨ ¹ÉÁ¸É¥n°µ¦¼¡´»r Ä ³Á¸¥ª´¥´ µ µ¦¶¦ªÂ¨³«¹¬µ°¥nµ¨³Á°¸¥ ´´Ê µ¦«¹¬µ ªµ¤®¨µ®¨µ¥ °¨oª¥Å¤oÄ¡ºÊ¸ÉnµÇ ¹ Á}µ¦Á¡·É¤Á·¤ o°¤¼¨¡ºÊµ¶®¦´¡ºª«r¸Ê Ä®o¤¸ªµ¤¤¼¦r¤µ ¹Ê °»¥µÂ®nµ·»n¨®¨ª ´Ê°¥¼nÄÁ Áº ° Á µÁ¡¦¼ ¦ r ¤¸ ¡ºÊ ¸É ¦°¨» ¤ ´ ®ª´ ¡·¬»Ã¨Â¨³´®ª´Á¡¦¼¦r Á}°»¥µ² ¸É¤¸£µ¡£¼¤·¦³Á«Á}£¼Á µ¼É¶ £µ¡¡ºÊ¸É ¤¸¨´ ¬³´¤¡º¸ÂÉ nµ´ ¹Á}¡ºÊ ¸®É ¹É ¸É¤¸ªµ¤®¨µ®¨µ¥ °¡¦¦¡º¼ ¦ª¤´Ê¡º ª«r¨oª¥Å¤o oª¥ªµ¤°»¤¤¼¦rµ¤¦¦¤µ· ¶Ä®o °» ¥µÂ®n µ· »n ¨®¨ª¤¸  ®¨n n ° Á¸É ¥ ª®¨µ¥Â®n Á} Á®» Ä ®o ·É ¸É ° ¥¼n µ¤ ¦¦¤µ·¼¦ª ¹É¤¸¨¦³Ã¥¦n° ¨oª¥Å¤o ¶Ä®o¶ª¦³µ¦¨oª¥Å¤oÂn¨³ ·¨¨ µ{®µ´¨nµª ¹Á}¸É¤µ ° µ¦«¹¬µªµ¤®¨µ®¨µ¥ °¨oª¥Å¤oÄ¡ºÊ¸É ¸Ê Á¡º°É ¦µ· ¶ª· ¨´¬³µ´µ ª·¥µ ·Áª«ª·¥µ ¶ª¦³µ¦ nªÁª¨µ µ¦°°°Â¨³Á}¨ ¨³µ£µ¡ ¹É o°¤¼¨ ´¨nµªµ¤µ¦¶ÅÄoÁ} o°¤¼¨Á¡·É¤Á·¤Ä®o ´Ã¦µ¦¡¦¦¡§¬µ· °¦³Á«Å¥ ¨³¥´ Á} ¦³Ã¥r n ° °» ¥µ² Äo µ µ¦ ´µ¦¦´¡¥µ¦¡¦¦¡º ¨³ÄoÁ}ªµ µ¦°»¦´¬r¨oª¥Å¤o®µ¥µÂ¨³¨oª¥Å¤o¸É¡Ä ¡ºÊ¸É«¹¬µÄ®o°¥¼nĦ¦¤µ·n°Å ª·¸µ¦«¹¬µ ¶® °Á ¡ºÊ ¸É «¹ ¬µÁ} Áo µ ¶¦ª (line transect) 6 Áoµ¶¦ª ÅoÂn ÁoµÊ¶Ânãµ ¦³¥³µ 10 ·Ã¨Á¤¦ Áoµ®nª¥¡·´¬r°»¥µÂ®nµ·¸É ¨. 8 (®°Â¤nµ) ¦³¥³µ 3.5 ·Ã¨Á¤¦ Áoµ n ° ´ ªr ¦³¥³µ 5.5 · à ¨Á¤¦ Áo µ »nµ¡µ ¦³¥³µ 14 ·Ã¨Á¤¦ Áoµ Ânª´Ê¶Á¥È ¦³¥³µ 24.5 ·Ã¨Á¤¦ ¨³ Áoµ»nà ¦³¥³µ 9 ·Ã¨Á¤¦ Ã¥ °°¶¦ªÂ¨³ÁÈ ¦ª¦ª¤´ ª °¥n µ ¨o ª ¥Å¤o Ä£µµ¤»Áº° Áº°¨³ 1 ¦´Ê ´Ê ÂnÁº° ¤¦µ¤¹´ªµ¤ ¡.«. 2550 Ã¥nµ¥£µ¡ Á¡ºÉ ° ´ ¹ ¨´ ¬³ª· ´ ¥ ·É ¸É ° ¥¼n ¨´ ¬³Â¨³ ¸ °° ¨³¨ ´¹ o°¤¼¨oµ·Áª«ª·¥µ µ¦³µ¦ ¹É¦³°oª¥ ·iµ ·É¸É°¥¼n ¡· ´ ¶Â®n ¨³ªµ¤¼ µ¦³´ Ê ¶ ³Á¨