Alocasia wongii A.Hay
국표에 없다.
ORIGINAL DESCRIPTION:
Ab Alocasia princeps inflorescentia tenuiore, spatha brunneo-rosacea, spathae lamina fusca, inflorescentia mascula minus exserta, petiolo Alocasia longiloba 'denudata' simulans sed tenuiore saepe aspero differt.
TYPUS:Cult. RBG Sydney Acc. No. 960457 ex Madai Caves, Hay et al 12180 (NSW, holo: iso, K, KEP, L, SAN - to be distributed).
SYNONYMS: N/A
DISTRIBUTION: Northeastern Sabah, Borneo
CLIMATE: Subtropical humid climate
Humidity is moderate throughout the year, ranging from 60% to 70%
Temperature is varies between the seasons - within the range of 48°F/9°C to 88°F/31°C during the day. Minimum temperatures never dip below 45°F/7°C
Rainy and humid season (October to May) and a dry season between June and October. The average annual rainfall is 1,200 mm
ECOLOGY: Terrestrial in lowland mixed dipterocarp forest on well-drained and occasionally inundated sites at low elevation
SPECIES DESCRIPTION:
Terrestrial herb ca. 60(-90) cm tall; rhizome ca. 2.5-4 cm diam.; petioles smooth or asperous, slender, erect, grey-green, tinged pinkish at the base, densely mottled in an oblique pattern of crowded longitudinally aligned fine dark brown lines, sheathing in the lower Vs-Vs; blade ca. 3/4 the length of the petiole, hastato-sagittate, narrowly triangular, dark (grey-)green above, paler below; anterior lobe widest at the base, the margin sometimes slightly undulate; anterior costa with 2-3 primary lateral veins on each side diverging at ca. 45-80(-90)°; axillary glands inconspicuous, sometimes conspicuous at the junctions of costae and petiole; secondary venation flush with the lamina to somewhat prominent abaxially and sometimes markedly divaricating, forming ill-defined interprimary collective veins towards the margin or these absent; posterior lobes rather slender, subequalling the anterior, the inner sides lanceolate to ovate; posterior costae diverging at ca. 100°, naked in the sinus for 2-4 cm
INFLORESCENCE:
Inflorescences to ca. 6 together; cataphylls membranous, mottled pinkish brown and green, marcescent; peduncle ca. 10 cm long, pale dirty pinkish; spathe ca. 7-8 cm long; lower spathe pear-shaped to ellipsoid, ca. 3 cm long, pale brownish pink, the mottling often forming vertical streaks; constriction usually oblique; limb narrowly (to broadly) lanceolate, distally tapering, brownish pink, distinctly darker than the lower spathe; spadix 5-7 cm long, very shortly stipitate for ca. 1 mm; female zone pale green; pistils somewhat distant - barely touching; ovaries subglobose; style slender, ca. 0.5 mm long, abruptly differentiated from the ovary; stigma 2-lobed; interstice ca. 5 mm, partly naked, slightly attenuate, 3-5 whorls of synandrodia, the lower ones lax: male zone ca. 1.2-1.5 cm long, ca. 4 mm diam., cylindric, somewhat constricted at level of spathe constriction, 3/4 to almost entirely within lower spathe chamber; synandria rhombo-hexagonal, ca. 2 mm diam., not overtopped by synconnective; appendix ca. 3 cm long, somewhat constricted at base, ca. 4 mm diam. near base, tapering to a blunt tip; fruiting spathe ovoid, to 4.5 cm long, off white to dusky pink with vertical darker streaks.
