THAI FOREST BULLETIN

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142 A THAI FOREST BULLETIN (BOTANY): 37 Figure 1. Argostemma kurzii C.B.Clarke: A. flower; B: habit. (Scale bars = 1 cm), all from Maxwell 93-903. Drawn by Monraj Intarasiri. B
A NEW SPECIES RECORD OF ARGOSTEMMA (RUBIACEAE) FOR THAILAND (K. SRIDITH) A key is presented below to the taxa of Argostemma Wall. (Rubiaceae) from Thailand which have leaves opposite, in one or (rarely) 2 pairs (then always a solitary leaf several times larger than the others and internodes between leaf pairs very short, i.e. pseudoverticillate) and are strongly anisophyllous with star-shaped flowers (modified from Sridith, 1999b). The use of A. siamense Puff as a nomen novum for A. monophyllum Sridith follows Puff (2009). KEY TO ARGOSTEMMA KURZII AND CLOSELY RELATED SPECIES 1. Flowers star-shaped with anthers coherent ; style as long as or slightly longer than stamens (ca 0.5–1 mm longer than stamens) 2. Leaves broadly ovate; stamens basifixed; style as long as or slightly longer than anther cone (exerted for < 0.5 mm) (Peninsular Thailand) A. unifolioides King 2. Leaves ± elliptic; stamen semi-medifixed; style much longer than anther cone (exerted for ca 1 mm) (Northeastern, Eastern, Southeastern and Central Thailand) A. siamense Puff 1. Flowers star-shaped with free stamens; style much longer than stamens (exerted for ca 5 mm) A. kurzii C.B.Clarke AcKNOWLedGeMeNTS The author would like to express his gratitude to the European Commission (EU) and the former ASEAN Regional Centre for Biodiversity Conservation (ARCBC) at Los Baňos, the Philippines, for their financial support of the project “The genus Argostemma Wall. (Rubiaceae) of Malay Peninsula and Peninsular Thailand” (project no. RE-THA- 002). This project made it possible for the author to work in the herbaria of EU countries. Special thanks are also due to Prof. Dr. Fritz Adema, a former curator of the National Herbarium of the Netherlands, University of Leiden branch (L), Leiden, the Netherlands and their kind staff; Dr. Diane Bridson, Dr. Aaron Davis and Miss Sally Dawson, at the herbarium of the Royal Botanic Gardens, Kew (K), United Kingdom for their kind hospitality during the author stay in both herbaria and for their kind help in arranging specimens on loan (including types) for the author at Prince of Songkla University, Thailand. Finally, Mr. Monraj Intarasiri is thanked for his illustration. ReFeReNceS Clarke, C.B. (1880). In: J.D. Hooker, Flora of British India, Vol. 3, Caprifoliaceae to Apocynaceae: 45. L. Reeve & Co., London. Craib, W.G. (1932). Florae Siamensis Enumeratio: A List of Plants Known from Siam: 26–36. The Bangkok Time Press, Ltd., Bangkok. Puff, C. (2009). Argostemma siamense Puff, a new name for A. monophyllum Sridith (Rubiaceae). Thai Forest Bulletin (Botany) 37: 139. Ridley, H.N. (1927). The genus Argostemma. Journal of Botany 65: 25–41. Sridith, K. (1999a). Four new species, a new variety and a status change in Argostemma (Rubiaceae) from Thailand. Nordic Journal of Botany 19: 172–178. ________. (1999b). A synopsis of the genus Argostemma Wall. (Rubiaceae) in Thailand. Thai Forest Bulletin (Botany) 27: 86–138. Sridith, K. & Puff, C. (2000). Distribution of Argostemma Wall. (Rubiaceae), with special reference to Thailand and surrounding areas. Thai Forest Bulletin (Botany) 28: 123–137. 143
Page 1 and 2: ISSN 0495-3843 THAI FOREST BULLETIN
Page 3 and 4: THAI FOR. BULL. (BOT.) 37: 1-8. 200
Page 5 and 6: ANADENDRUM (ARACEAE: MONSTEROIDEAE:
Page 11 and 12: THAI FOR. BULL. (BOT.) 37: 111-138.
Page 13 and 14: Conservation status THE MAGNOLIACEA
Page 15 and 16: THE MAGNOLIACEAE OF THAILAND (H.P.
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Page 41: A NEW SPECIES RECORD OF ARGOSTEMMA
Page 45 and 46: GASTRODIA vERRUCOSA (ORCHIDACEAE),
Page 49 and 50: THE MONOTYPIC GENUS ZIPPELIA BLUME
Page 53 and 54: ISODON WALKERI (LAMIACEAE), A NEW R
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Page 57 and 58: XEROCHLOA R.BR. (GRAMINEAE, PANICEA
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Page 63 and 64: ARIOpSIS (ARACEAE: COLOCASIEAE) A N
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A SynOPSIS OF THE GEnUS CALLICARPA
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THAI FOR. BULL. (BOT.) 37: 59-63. 2
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LECANOPTERIS PUMILA BLUME (POLYPODI
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LECANOPTERIS PUMILA BLUME (POLYPODI
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TOWarDS a STaBLe NOMeNCLaTure FOr T
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Table 1. Comparison of family delim
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NAME IN FLORA OF THAILAND (Tagawa &
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CURRENT NAME NAME IN PTERIDOPHYTES
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CHRYSOPOGON GRYLLUS (L.) TRIN. (POA
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Thai ForesT BulleTin (BoTany) no. 3
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THAI FOREST BULLETIN

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