Saturday, June 25, 2011

[Botany • 2009] พิศวงตะรุเตา | Thismia clavigera (Becc.) F.Muell. • new record from Tarutao Island, Peninsular Thailand




พิศวงตะรุเตา | Thismia clavigera (Becc.) F.Muell.
• new record for Thailand, from Tarutao Island, Peninsular Thailand


Thismia clavigera (Thismiaceae), a new record for Thailand

SAHUT CHANTANAORRAPINT & AMONRAT CHANTANAORRAPINT

Abstract: Thismia clavigera (Becc.) F.Muell., a species newly recorded for Thailand, is described and illustrated. A key to the species of Thismia in Thailand is provided.

Key Words: new record, Thailand, Thismia clavigera, Thismiaceae


Thailand.— PENINSULAR: Satun [Tarutao Island, 6°37’23’’N 99°38’10.6’’E, 3May 2008, Chantanaorrapint 2022 (PSU)]
Distribution.— Malaysia (Sarawak, Langawi), Indonesia (Sumatra).
Ecology.— In primary lowland forest on sandy soil covered by leaf litter over sandstone rock at ca 90 m altitude. Flowering in May.

Notes.— The distinctive characters of this species are: 1) the minute outer tepals, 2) the mitriform inner tepals with three slender claviform appendages, 3) the distal part ofstamens acute with transparent hairs, and 4) coralliform underground part.Five species of Thismia are known from Thailand. A revised key to the species isprovided below.


Chantanaorrapint, S. & Chantanaorrapint, A. (2009). Thismia clavigera (Thismiaceae), a new record for Thailand. Thai Forest Bulletin (Botany) 37: 27–31: http://web3.dnp.go.th/botany/PDF/TFB/TFB37/TFB37_4.pdf