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Araceae
Stenospermation laevis Croat
Nomenclature
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Family: AraceaeGenus: Stenospermation
SUMMARY
Epiphytic; internodes green to reddish brown, weakly glossy, (1-)3-6(-9) cm long, 5-6 mm diam., drying dark reddish brown, ribbed to moderately smooth, semiglossy; petioles 9-15 cm long (averaging 12.3 cm), sheathed around 75% of length, terete, narrowly and obtusely sulcate; blades oblong-elliptic, inequilateral (one side 3-5 mm wider) and narrowly acuminate at apex, inequilateral and acute to obtuse at base, (8.5-)16-21.5 cm long, (3.3-)5-7 cm wide (averaging 18.7 x 5.9 cm), 2.8-3.4 times longer than broad, 1.4-2.1 times longer than the petioles; upper surface dark green and velvety; lower surface somewhat paler and glossy, drying dark brown, matte and smooth above, paler, yellow-brown and weakly glossy below; midrib narrow, sunken and weakly discolorous marginally above, convex and much paler below, drying more or less concolorous above, slightly darker below; primary lateral veins weakly visible, flat and slightly paler above, weakly visible, flat and slightly darker below, scarcely more conspicuous than minor laterals; upper surface drying with the veins mostly 4-5 mm apart, at most weakly raised, the intervening area with even weaker veins with a scattering of short pale, inconspicuous cellular inclusions and with many oblique cross-veins especially toward the margins; lower surface finely and closely striate. INFLORESCENCES initially cernuous, eventually erect; peduncle 12.5-19.3 cm long, emerging from apex of sheath; spathe white, 4.5-9.3 cm long, deciduous; spadix stipitate 7-13 mm, creamy-white, 4.6-7.5 cm long, 4-5 mm diam. at middle, 3 mm diam. at apex, weakly tapered. Flowers irregularly rounded, drying dark brown, matte, 1.5-1.6 mm diam.; stigma 0.5-0.6 mm wide, broadly elliptic to subrounded, drying dark black with a medial depression.