Key to Species of the Homalomena Selaburensis Complex


Based on Wong, Hoe, Soon & Boyce ( Aroideana V36, 2012 )

Click on 📌 to highlight and compare characteristics.
Click on the line numbers to select characteristics.



1A. PetiolePetiole: Leaf stem. s and pedunclePeduncle: Flower stem. s glossy, smooth .. 2
2A. Leaf blades hastateHastate: , posteriorPosterior: lobes directed outwards; blade smooth, or only very weakly quilted; pedunclePeduncle: Flower stem. slender, up to 20 cm 3 1.5 mm; pistilPistil: The female reproductive part of a flower. late zone equalling the staminate zone; spatheSpathe: A large sheathing bract enclosing the flower cluster. interior white at anthesisAnthesis: The period during which pollen is presented and/or the stigma is receptive. ; Mulu (NE Sarawak), shales .. 📌Homalomena passa
2B. Leaf blades sagittateSagittate: , posteriorPosterior: lobes directed inwards; blade quilted between the primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s; pedunclePeduncle: Flower stem. rather stout, up to 12.5 cm x 3 mm; pistilPistil: The female reproductive part of a flower. late zone ca. K as long as the staminate zone; spatheSpathe: A large sheathing bract enclosing the flower cluster. interior yellow at anthesisAnthesis: The period during which pollen is presented and/or the stigma is receptive. . Malinau basin (Sabah) .. 📌Homalomena galbana
1B. PetiolePetiole: Leaf stem. s and pedunclePeduncle: Flower stem. s matte, scabridulousScabridulous: Slightly rough, diminutive of scabrous. .. 3
3A. Leaf blades semi-glossy, primary veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s flush; W. Malaysia, granites .. 📌Homalomena curvata
3B. Leaf blades highly polished, primary veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s impressed; W. Sarawak, limestone .. 📌Homalomena selaburensis
 


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