Aridarum purseglovei (Furtado) M.Hotta

Herb 20–25 cm tall.  Stem erect, more or less condensed, 4–6 (or more?) cm long, c. 8 mm diam., rooting below and between the leaves.  Leaves to c. 10 together; petiole 7–12 cm long, sheathing only at the extreme base, the wings extended into a narrowly triangular ligular portion c. 5 cm long, drying reddish brown; blade coriaceous, narrowly elliptic to elliptic, 9–13 cm long ×  1.5–2.5 cm wide, adaxially dark green, paler abaxially, the base cuneate, the apex acute and apiculate for c. 5 mm; midrib adaxially prominent, less so abaxially, with c. 3 very weak primary lateral veins (hardly differentiated from the secondary venation) on each side diverging at c. 30°; secondary venation very fine, adaxially obscure; tertiary venation obscure. Inflorescence solitary; peduncle much exceeding the petioles, 11–20 cm long.  Spathe broadly ovate, c. 6 cm long, apiculate for c. 2 mm, basally green and persistent for  c. 1.5 cm, the rest white, wide-gaping, caducous.  Spadix 2–3 cm long, 0.5–0.7 cm diam., subcylindric, yellow; female zone c. 1 cm long, basally obliquely adnate to the spathe; ovaries globose, c. 1 mm diam.; stigma sessile, discoid, somewhat convex and narrowly centrally impressed, densely papillate, more or less contiguous with neighbouring stigmas; interpistillar staminodes absent from among the pistils, confined to a rather dense row along the spathe/spadix adnation, scale-like, narrow, 1–1.5 mm long; sterile interstice absent; male zone 1–1.5 cm long, slightly tapering distally, blunt, fertile to apex; stamens crowded, the connective deeply excavated, arranged in longitudinally aligned pairs, ‘B’-shaped from above with the straight sides outermost in each pair, c. 1.5 mm across; thecae together on the inner (with respect to the stamen pairs) side of the anther, with conspicuous long erect horns almost 1 mm long.  Fruit a many seeded berry (observed only immature); immature seed subcylindric, c. 0.6 mm long, 0.3 mm diam., brown, with a long, curved transparent micropylar appendage.