TABLE 2 in Two new species of Stylochaeton (Araceae: Aroideae) from South Africa

TABLE 2. Selected features to distinguish among Stylochaeton glaucophyllum, S. s ekhukhuniense, and other morphologically similar southern African species of Stylochaeton. Information from Brown (1901), Haigh & Bogner (2012), Mayo (1985); Thulin (1995), and the present study.
S. glaucophyllumS. sekhukhunienseS. borumenseS. hypogeumS. oligocarpumS. natalenseLeaves shapeNarrowly saggitateSaggitateSaggitate, saggitate-hastateHastate, hastate-saggitateHastate-saggitateOvate, triangular, saggitate, saggitate-hastate, cordatesaggitateLeaf size:Basal lobe: 54–160 × 4–20 mm Apical lobe: 58–172 × 5–27 mmBasal lobe: 55–80 × 8–26 mm Apical lobe: 25–50 × 3–30 mmBasal lobes: 25–50 × 3–30 mm Apical lobe: 63–152 × 6–60 mmBasal lobe: 25 mm long Apical lobe: 76–152 mmBasal lobe: 70–120 × 8–17 mm Apical lobe: 140–200 × 15–20 mm50–310 × 18–260 mmSpathe colour (outside)Brownish, yellowish brown or purplish brownBrownish olive greenGlaucous green to pale yellow green, often purplish brown to apexBrownUnknownGreenish to yellowish or purplish.SpadixMale and female flowers contiguousMale and female flowers contiguousMale and female flowers separated by 2–12 mm of few to 10 sterile flowersMale and female flowers separated by 20 mm of sterile flowersUnknownMale and female flowers contiguousNumber of female flowers10 or more10 or more5 or 66 or more220–40StyleUnthickenedUnthickenedUnthickenedThickened below the middleUnknownUnthickened