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Araceae
Philodendron brasiliense Engl.
SUMMARY
STEM: rhizomatous, creeping and ± submerged basally, erect and aerial apically, 50 - 60 cm tall, (3 - )4 - 6 cm thick; internodes 1 - 2 mm long; prophyll scars (2 - )4 - 6 mm long; intravaginal squamules persistent, conspicuous, numerous, 3 - 12 mm long, (1.5 - )3 - 7( - 9) mm broad at base, triangular-flattened, acute-acuminate, in rows along true internodes; foliage leaf scars ± orbicular on older stem portion. LEAF: petiole 24 - 50 cm long, usually a little longer than blade, 0.6 - 1.0 cm diam. at apex; leaf blade sagittate to hastate, margins entire to repand, rarely sinuately lobed, overall length 28 - 50 cm, overall width 23 - 42 cm; anterior division 23 - 38 cm long, 22 - 41 cm wide, apex acute or subacute, sometimes obtuse, primary lateral veins 5 - 7( - 9) per side, arising at an angle of (30 - )40 - 70( - 75) degrees to midrib; posterior divisions (5 - )8 - 11( - 13) cm long, 0.2 - 0.3 x overall blade length, 12 - 21( - 26) cm wide, basal ribs denuded for (0.8 - )1.5 - 4.5 cm, tip subacute to rounded, primary acroscopic veins 2 - 3( - 4), primary basiscopic veins (2 - )3 - 4( - 5). INFLORESCENCE: peduncle 10 - 20 cm long, 0.5 - 1.5 cm diam. at apex; spathe 9-13(-15) cm long, approx. (2-)-3-4(-5) cm diam. at middle, decurrent for (0.5-) 1.5-3 cm, green on outer surface, white on inner surface; spadix 7.5-13(-in long overall, fertile male zone 2-4 cm long, 1-1.6(-1.9) cm diam., cylindric, sterile male zone (2.5-)3.3-5.4. cm long, 1-l.6(-2.0) cm diam., cylindric, female zone 1.3-2.5(-4.5) cm long, (0.6-)1-1.8 cm diam. near base, tapering towards apex. Flowers: stamens 3.5-4 mm long, 0.7-1 mm diam. at apex; staminodes 3-4(-4.5) mm long, (0.8-)1-2 mm diam. at apex, subclavate, tapering towards base, apex truncate; gynoecium (2.5-) 3.3-3.5 mm long, ovary ± as broad as stigma, cylindric, locules (4-)6-8 (-9), ovules (1-)2-3(-5) per locule, axile, inserted from base. to just above middle of locule, style body as wide as ovary, raphide cells concentrated abound stylar canals, compitum not penetrating ovary, style lobes tannini- ferous, central dome present, equalling or shorter than style lobes, stylar canals entering locules subapically, stigma 1.5-2.5 mm broad, tannin hairs present in stigma. INFRUCTESCENCE: not seen.