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Araceae
Schismatoglottis platystigma M.Hotta
SUMMARY
Herb to c. 40 cm tall. Stem condensed, creeping, ?pleionanthic, c. 8 mm diam. Leaves few together, ?interspersed with cataphylls (unclear from dried material); petiole to c. 40 cm long, sheathing only at the extreme base; sheath ?ligular; leaf blade coriaceous, adaxially dark green to yellow green (fide Hotta, loc. cit.) sometimes with a central grey-green band about the midrib, abaxially pale green, oblong-elliptic to narrowly ovate, 18-33 cm long, 7-12 cm wide, the base (sometimes very) narrowly cordate, the tip acuminate for 2-3 cm; posterior lobes c. 2 cm long, usually overlapping in the sinus, rounded; midrib not prominent on either surface, primary lateral veins 8-12 on each side of the midrib, slender, adaxially more or less obscure; secondary venation more or less obscure abaxially, adaxially somewhat prominent (dry), fine and dense, arising from the midrib. Inflorescence solitary or two together, subtended by straw-coloured papery cataphylls to 4 cm long; peduncle slender, c. 3-5 cm long. Spathe greenish white to pale green, the limb sometimes speckled red-brown; lower spathe narrowly ovoid, differentiated from the limb by a weak constriction 1.5-2.5 cm from the base. Spathe limb slender, ?not opening wide, apically beaked for c. 8 mm, deciduous after anthesis. Spadix sessile, shorter than the spathe, c. 3-5 cm long, subcylindric throughout, c. 3-4 mm diam. (dry); female zone 0.4-1 cm long, dorsally adnate to the spathe for half to all its length; staminodes absent; ovary squat, stigma sessile, flat but slightly impressed centrally, discoid, as wide as or slightly wider than ovary, c. 0.5 mm diam.; male and female zones separated by a sterile zone 3-5 mm long of tightly packed staminodes; male zone 1.1-1.7 cm long, composed of dense, low, irregularly shaped stamens with the filament and connective widely dilated and sometimes confluent into irregularly shaped synandria c. 0.6-1 mm diam.; thecae more or less spherical, very prominent on the expanded connective margins; appendix apricot, 1-1.9 cm long, blunt-tipped, composed of flat-topped staminodes, these becoming more closely-packed and confluent at the appendix apex. Fruiting spathe urceolate, c. 1.7 cm long.