Monday, July 17, 2017

[Botany • 2017] Flemingia sirindhorniae | เทพมาศ • A New Species (Leguminosae-Papilionoideae) from Thailand

เทพมาศ |  Flemingia sirindhorniae Mattapha, Chantar. & Suddee 

     A new species, Flemingia sirindhorniae Mattapha, Chantar. & Suddee, from Tak province, Thailand, is described and illustrated, and its affinities are discussed. It is a very rare species in Thailand and its conservation status is assessed here as Data Deficient (DD).

KEYWORDS: Doi Hua Mot, IUCN Red List, new species

Flemingia sirindhorniae Mattapha, Chantar. & Suddee, sp. nov.

 Type: Thailand, Tak province, Umphang district ...
  (holotype BKF; isotypes BK, BM, E, K, KKU, L, MBK, P, QBG).

This species stands out from F. involucrata Benth. and F. vestita Baker by its 1–3-digitately compound leaves, the presence of basal callosities on the standard, exserted corolla which is longer than the calyx, and by having a tubular floral disc.

FIGURE 2. Flemingia sirindhorniae:
A.–B. habitat, showing two small populations found at the type locality; C. inflorescences with young fl oral buds enclosed by subtending bracts, including 1-foliolate & digitately 3-foliolate leaves at which the inflorescences are inserted (arrows) respectively; D.–F. top and side views of flowers.

Distribution.— Only known from the type locality. 
Ecology.— Limestone mountain, sometimes growing on steep limestone cliffs; alt. 900 m.
Phenology.— Flowering August– October; fruiting November–December.

Etymology.— The specific epithet is in honour of Her Royal Highness Princess Maha Chakri Sirindhorn of Thailand who has initiated the Plant Genetic Conservation Project under the Royal Initiative of H.R.H. Princess Maha Chakri Sirindhorn.
Vernacular.— Thep-pa-mat (เทพมาศ) (name given by H.R.H. Princess Maha Chakri Sirindhorn). 

Sawai Mattapha, Pranom Chantaranothai and Somran Suddee. 2017. Flemingia sirindhorniae (Leguminosae-Papilionoideae), A New Species from Thailand. THAI JOURNAL OF BOTANY.  9(1); 7-14. 



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