TABLE 1 in Vanilla cameroniana (Orchidaceae, Vanilloideae), a new species from French Guiana and new records from the Guiana Shield

TABLE 1. Comparison of morphologically similar species with Vanilla cameroniana. References taken from: (1) Damian 2020, (2) Barona-Colmenares 2018; (3) presented herein; (4) Karremans et al. (2020). (*) For V. cameroniana we include details of the apex and lateral portions of the lip.
V. appendiculata (1,2)V. cameroniana (3)V. sprucei (3)V. hartii (4)Leaves shapeObovate to oblaceolateObovateElliptic to oblanceolateEllipticLeaves (cm)10–20 × 2.5–5.914–27 × 6–1210.0–16.6 × 2.9–5.04–15 × 1.0–1.4InflorescenceApicalAxillaryApicalAxillaryFloral bracts (cm)0.4–0.8 × 0.2–0.60.3–0.5 × 0.2–0.30.4–0.6 × 2.0–2.50.3–0.9 × 0.3–0.8Sepals shapeOblanceolateLanceolateSpathulateOblanceolateDorsal sepal (cm)6–9 × 0.8–1.06.0–6.5 × 0.6–0.655.0 × 0.53–5 × 0.7–1.0Lateral sepals (cm)6–9 × 1.0–1.16.0–6.5 × 0.8–1.04.9 × 0.43.6–4.9 × 0.5–1.2Petals shapeOblong to narrowly lanceolateLinearLinearOblanceolatePetals (cm)7.6–8.0 × 0.5–0.86.0–6.3 × 0.2–0.35.0–5.2 × 0.13.4–4.8 × 0.4–1.0Lip overall shapeTrilobedUnlobedTrilobedTrilobedLip size (cm)7–8 × 2.0–2.96.9 × 3.85.3 × 1.73.7–4.3 × 1.4–2.5Lateral lobes*RoundedShoulder-shaped, orbicularRoundedRoundedMidlobe*Ovate to acute triangular, with dense lombricoid appendagesSubquadrate, with a trullate-shaped structure close to the apex made of appendages.Ovate, inconspicuously papilloseEmarginate, slightly thickened, inconspicuously papilloseColumn length (cm)6.0–6.15.55.53.0–3.8