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Tamijia S. Sakai & H. Nagamasu
Edinburgh J. Bot., 57(2): 245 (2000)

Description:
     Perennial herb, 30-50cm tall; pseudostem poorly developed, with 2-7 leaves per shoot. Leaves distichously arranged: lamina 24-48 x 4-8cm obliquely and narrowly obovate, glabrous on both surfaces except for minute hairs on the apex and around the midrib on the lower surface: apex acute: base attenuate: petiole 6-17cm long, glabrous: ligule up to 3mm long, bibbed, glabrous: sheath papery and fragile, glabrous. Inflorescence radical or less frequently terminal, up to more than 3m long, prostrate on the ground; main inflorescence axes c. 1.5mm diam. when dry, glabrous; scales 10-40mm long, open to the base, glabrous, apex obtuse and sometimes mucronate; bracts distichously arranged at 20-50mm intervals, 17-50mm long except the arista, open to the base, glabrous except apical margin and around the base of the arista, subtending up to 9 flowers: apex obtuse or retuse with an arista formed by the elongated central vein; arista up to 15mm long, minutely pubescent toward apex; secondary axes between bract and first bracteole up to 6mm, glabrous; the first bracteole lying at right angles to the bract: bracteole 7-13mm long except the apical arista, open to the base, convolute, glabrous except at the apex; apex obtuse or retuse with an arista formed by the elongated central vein, sometimes minutely pubescent; arista 2.5-3.5mm long, minutely pubescent: pedicel short, glabrous. Flower white, calyx c. 11.5mm long, tubular, unilaterally fissured for c. 5mm, glabrous or minutely hairy at the base, white tinged pink, apex 3-toothed, margin and apical teeth with minute hairs; corolla tube c. lOmm long, glabrous outside, pubescent inside for upper half; dorsal petal c. 12.5 x 6mm, elliptic, glabrous; lateral petals c. 11 x 5.5mm, elliptic, glabrous; labellum c. 24 x 18mm except lateral staminodes, obovate, shallowly bilobed at the apex or entire, very minutely pubescent at the throat, the pubescence extending into the upper half of the corolla tube, white with a yellow or green central line; lateral staminodes c. 20 x 5mm, petaloid, linear to obovate, glabrous, connate to the labellum for nmore than two thirds of their length, white; filament c. 4mm long, minutely pubescent on the adaxial surface; anther thecae c. 3.Smm long, dehiscing throughout their length, glabrous; anther crest 5-7 x 4-6mm, rhomboid to broadly obovate, with longitudinal depression at the centre, apex reflexed; style c. l9mm long, glabrous; stigma c. 1.3mm wide, two-lipped, glabrous, adaxial lip shallowly 3-lobed, abaxial lip entire; ovary unilocular with parietal placentation, with remnant septa at the upper and basal part of the ovary, 4-6mm long, glabrous or minutely pubescent in upper part; ovules c. 15; epigynous glands c. 3.Smm. 2-lobed. Fruit unknown. (From S. Sakai & H. Nagamasu, Edinburgh J. Bot., 57(2): 245 (2000))

Geographical Distribution:
     Its one species, T. flagellaris, was collected in Sarawak, Borneo.

Taxonomic Diversity:
     Comprises one species, T. flagellaris.

Ecology and Pollination Biology:
     Grows on sandy soil in primary lowland tropical forests, at altitudes from 20 to 200 m.

Tamijia flagellaris courtesy of S. Sakai

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