TABLE 1. Characteristic comparison between L. philippensis, L in Two new synonyms of Lindenbergia philippensis (Orobanchaceae)

TABLE 1. Characteristic comparison between L. philippensis, L. titensis, and L. macrostachya.
Characters / TaxonLindenbergia philippensisLindenbergia titensisLindenbergia macrostachyaHabitErect-ascending, less rigid, robustErect-ascending, slenderErect-ascending, rigid, modestStemHairy; much branchedHairy, much branchedHairy, but less hairy than L. philippensis; much branchedLeafopposite decussate, rarely alternate, ovate-lanceolate, 1.2– 17.3 × 0.45–5.3 cm, apex acute, margin dentate towards base, base attenuate, pubescent on both sideopposite decussate, the uppermost alternate, elliptic-lanceolate, 1.1–8 ×0.4–2.5 cm, apex acute, margin dentate, base attenuate, upper surface glabrescent, lower surface pilose or glabrescent or pubescentopposite decussate, ovate-elliptic or oblong-lanceolate, 1.1–7.7 × 0.35–2.4 cm, apex acute, margin dentate towards apex, base attenuate, upper surface glabrous, lower surface pubescentInflorescenceAxillary and terminal spike, multiflorate, dense at apex, flowers sub-alternate.Axillary and terminal spike, multiflorate, dense at apex, flowers sub-oppositeAxillary and terminal spike, multiflorate, dense at apex, flowers sub-alternate.BractsNarrowly ovate-lanceolate, 0.2–1 × 0.15–0.25 cm, identical to leaves and smallerOvate-broadly lanceolate, 0.5–0.9 × 0.3–0.5 cm, identical to leaves and smallerOvate-broadly lanceolate, 0.4–0.9 × 0.2–0.4 cm, identical to leaves and smallerFlower0.9–1.6 cm long, subsessile or shortly pedicellate0.6–1 cm long, subsessile or shortly pedicellate0.6-0.9 cm long, subsessile or shortly pedicellateCalyxcampanulate, 0.4–0.7 × 0.3–0.5 cm, persistent, slightly zygomorphic, pilose on both sides; lobes ovate-lanceolate, apex acute, calyx ½ of corolla length, calyx longer than bractscampanulate, 0.35–0.4 × 0.2–0.3 cm, persistent, slightly zygomorphic, pilose on both sides; lobes ovate, apex acute, calyx ⅓–½ of corolla length, calyx shorter than bractscampanulate, 0.3–0.5 × 0.2–0.4 cm, persistent, slightly zygomorphic, pilose on both sides; lobes ovate, apex acute, calyx ½ of corolla length, calyx longer than bractsCorollayellow, tubular, bilabiate, 0.9–1.7 cm, pubescent outside; upper lip bilobed, triangular with concave sides, lower lip trilobed, obovate.yellow, tubular, bilabiate, 0.6–1 cm, pubescent outside; upper lip bilobed, triangular with straight sides, lower lip trilobed, obovate.yellow, tubular, bilabiate, 0.6–0.9 cm, pubescent outside; upper lip bilobed, triangular with straight sides, lower lip trilobed, obovate.AndroeciumStamens didynamous (2+2); filaments filiform, glabrous; anther subglobose.Stamens didynamous (2+2); filaments filiform, glabrous; anther subglobose.Stamens didynamous (2+2); filaments filiform, glabrous; anther reniformsubglobose.GynoeciumOvary hairy at apex; style persistent, 6–11 mm, base of style pilose; stigma capitate.Ovary hairy throughout, style persistent, 2–4 mm, base of style densely pilose, stigma capitate.Ovary hairy at apex; style persistent, 2–4 mm, base of style pilose; stigma capitate.CapsuleOvoid-subglobose, 4–7.5 mm long, pubescent.Ovoid-subglobose, 4–6 mm long, pubescent.Ovoid-subglobose, 4–9 mm long, pubescent.