ALOCASIA HAINANICA

ORIGINAL DESCRIPTION:

Petiolus 7-10 poll, longus, usque ad medium vaginatus; lamina 7-8 poll, longa, 4-5 poll, lata, peltata, ovata, basi cordato-sagittata, apice acuta, lobis posticis late ovatis vel triangulari-ovatis obtusis ad \ poll, connatis, sinu triaugulari 1^-2 poll, profundosejunctis, nervis lateralibus 5 utrinque costa media abeuntitms, rectis, patentibus. Pedunculus solitarius, 4-5 poll, longus, in vaginem petioli longe inclusus. Spathce tubus f-1 poll, longus, subcylindricus vel anguste ovoideus ; lamina 2-2f poll, longa, lauceolata acuminata. Spadicc 1 ^—1 1 poll, longus, parte feminea poll, longa, parte mascula | poll, longa, parte intermedia organis neutris dense obtecta; appendix 3 lin. longa, interdum deest ; ovaria ovoidea; ovula 4-5. Hainan {A. Henry, 8679 !). Herb. Kew.

The Journal of the Linnean Society Botany v36:183

181639.jpg

SYNONYMS: Alocasia hainanensis

DISTRIBUTION: Hainan, Vietnam

hainanica geo.png

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: N/A


 

SPECIES DESCRIPTION:

Herbs, medium sized to rather small, evergreen. Stem short, epigeal. Leaves few together; petiole 28–32 × ca. 1cm, slender, sheathing to ca. 1/2 length; leaf blade weakly peltate, ovate-sagittate, ca. 25 × 13cm, thinly membranous, apex acute; posterior lobes ovate-oblong, 8–10 × ca. 5cm; lateral veins 4 or 5 on each side. Inflorescences solitary; peduncle cylindric, slender, ca. 18cm × 4–5mm

INFLORESCENCE:

Spathe ca. 6.5cm, weakly constricted; tube narrowly ovoid, ca. 15 × 8mm, glaucous; limb erect, narrowly oblong, ca. 5 × 2cm, apex long acuminate. Spadix slightly shorter than spathe; female zone cylindric, 1–1.2cm; pistil ovoid; style short; stigma ± 3- or 4-lobed; sterile zone narrowly cylindric, 6–7cm × ca. 2mm; synandrodes depressed, rhombic-hexagonal in outline, ca. 2 × 2.5mm; male zone ca. 15 × 5mm; synandria comprised of 6 stamens, rhombic-hexagonal, ca. 2 × 2mm; appendix narrowly conic, ca. 1.1 × 0.3–0.4cm, acute. Infructescence and fruit unknown.

VARIEGATED FORMS: N/A

ETYMOLOGY: N/A

NOTES: N/A

CULTIVARS: N/A

HYBRIDS: N/A


Previous
Previous

ALOCASIA HARARGANJENSIS

Next
Next

ALOCASIA GRATA