A. culionensis Engl.
Overall Description
A. culionensis
Image: @rons_plant_therapy (IG)
Etymology
Specific epithet
culionensis - refers to the island of Culion in Palawan, which is the species' type locality.
Author
Engl. - Heinrich Gustav Adolf Engler
Published: 1906 in Botanische JahrbĂĽcher fur Systematik 37: 135-136
Native Range
Habitat
Systems
Terrestrial
Taxonomic Notes
Morphology
Moderately robust herb to ca. 70 cm tall; stem erect, ca. 2 cm thick; leaves several together, ? not interspersed with cataphylls; petiole to ca. 45 cm long, sheathing in the lewer third; blade sagittate to hastate, ca. 35-45 cm long; anterior lobe narrowly triangular to triangular, sometimes with a faintly undulate margin, 10-18 cm wide at base, with 3-5 primary lateral veins on each aide of the anterior costa diverging at 60-80°; axillary glands inconspicuous; secondary venation fine, rather distant (ca. 3-4 mm apart), arising from the primary at a wide angle, then rater abruptly deflected to the margin and forming rather disorganized interprimary collective veins only towards the margin, flush with the lamina on both sides; posterior lobes diverging at an obtuse to very obtuse angle, spreading, tapering to sub-shomboid to narrowly round-ended, 11-20 cm long; posterior costae naked in the sinus for 2-5 cm; inflorescences clustered, ca. 6-8 together, subtended by lanceolate cataphylls ca. 12 cm long; peduncle to ca. 20 cm long; spathe ca. 8-9 cm long; lower spathe 2-3 cm long, seperated from the limb by a long gradual constriction; limb narrowly lanceolate, white, eventually reflexed, the tip mucronate for ca. 1 cm, the mucros straight; spadix somewhat shorter than the spathe, stipitate for 2.5 mm, the stripe free but obliquetly inserted; female zone 5 mm long; ovaries more or less flask-shaped, upturned, ca. 1 mm diam.; style ca. 0.5 mm long; stigma weakly 2-3-lobed; sterile interstice short, ca. 4 mm long, composed of two whorls of massive synandrodia filling the upper part of the lower spathe cavity; male zone ca. 1.4 cm long, cylindric, ca. 5Mm diam. (dry); synandria rhombo-hexagonal, ca. 1.5 mm diam., thecae opening by apical pores not capped by synconnective; appendix 1.7 cm long, tapering; fruiting spathe ovoid, ca. 3 cm diam. (2)
Description
Use and Trade
Threats
More Description
Herbaria
Specimen / Collection Number: K000400160 (Kew)
Plant Parts: Leaves, Stem(s), Fruit
Type Status: Unknown
Collector: Merrill, E.D.
Date Collected: Dec 21 1902
Determiner / Identified By: Hay, A.
Determination / Identification Date: Jan 1997
Biogeographic Region: Greater Palawan
Country: Philippines
Precise Locality: Culion
Elevation/Altitude: Unknown
Initial ID: Unknown
Notes: Plant on left is A. heterophylla, while right is A. culionensis
Habitat- Wet shaded soil.
Spathe white, fruit red.
Specimen / Collection Number: K000400158 (Kew)
Plant Parts: Leaves, Flowers/inflorescence, Flowers/inflorescence (with inflorescence axis)
Type Status: Unknown
Collector: Merrill, E.D.
Date Collected: May 1913
Determiner / Identified By: Hay, A.
Determination / Identification Date: Jan 1997
Biogeographic Region: Greater Palawan
Country: Philippines
Precise Locality: Lake Manguao, Palawan
Elevation/Altitude: Unknown
Initial ID: Unknown
Notes: None
Specimen / Collection Number: K000400159 (Kew)
Plant Parts: Leaves
Type Status: Unknown
Collector: Ramos, M.
Date Collected: Apr 1921
Determiner / Identified By: Hay, A.
Determination / Identification Date: Nov 14 1996
Biogeographic Region: Greater Palawan
Country: Philippines
Precise Locality: Paluan, Mindoro
Elevation/Altitude: Unknown
Initial ID: Unknown
Notes: None
In situ
PHILIPPINES: Luzon; Region: Mimaropa; Province: Palawan prov.;
Coordinates of general area: Unknown
Date: November 12, 2013
Image: Jonah van Beijnen
Link: http://phytoimages.siu.edu/imgs/pelserpb/r/Araceae_Alocasia_culionensis_94418.html
Leaf
PHILIPPINES: Luzon; Region: Mimaropa; Province: Palawan Prov. El Nido, Diwil valley;
Coordinates of general area: 11 20 00 N, 119 41 00 E
Date: May 1, 2017
Images: Raab Bustamante
Link: Links in respective photos
PHILIPPINES: Luzon; Region: Mimaropa; Province: Palawan Prov. Quezon;
Coordinates of general area: 9 27 38.77 N, 118 12 21.55 E
Date: April 7, 2017
Image: Wally Suarez
Link: http://phytoimages.siu.edu/imgs/pelserpb/r/Araceae_Alocasia_culionensis_148578.html
Leaf