Table 1. Morphological comparison between Chroesthes faizaltahiriana and C in Chroesthes (Acanthaceae) in Peninsular Malaysia, including a new species from Kelantan and a new record from Terengganu

Table 1. Morphological comparison between Chroesthes faizaltahiriana and C. longifolia.
CharacterC. faizaltahirianaC. longifoliaHabitHeight (m)0.7-11-2.5StemUnbranchedBranchingInflorescenceTypeTerminal raceme not branching (single)Terminal raceme always branching (always two)Length (cm)8-13up to 25FlowersBract (mm)20-30 × 2-515-20 × 4.5-6ShapeNarrowly lanceolateLanceolateBracteoles (mm)10-15 × 1-210 × 3Calyx length (cm)2-31.6-1.8Posterior lobe (mm)30 × 718 × 8-9Anterior lobe (mm)22 × 2-2.516 × 5-6Lateral lobe (mm)20 × 110-12 × 0.5Calyx colourCompletely always greenishGreen or green to purplish (especially purplish at apex)Total corolla length (cm)4.5-5.52-3Corolla colourEntirely yellow to dark orange: pale yellow externally, bright orangish-yellow with darker spots internallyEntirely dark purple to purplish-red or sometimes white externallyFilament length (cm)Longer pair1.51Shorter pair1.20.8