From: Philodendron luisae (Araceae), a new species from Rio de Janeiro State, Brazil
Species | Internodes dimension (cm) and shape | Extrafloral nectaries | Leaf dimension (cm) | Primary lateral veins | Inflorescences per sympodium | Apical sterile zone | Spathe color outside, constriction and opening at anthesis | Resin canals inside the spathe |
---|---|---|---|---|---|---|---|---|
P. fragile | 1–5, terete | absent | 15–37 × 9–24 | 4–5 | 1(−2) | absent | greenish becoming cream towards the apex, slightly constricted, moderately opened | not visible |
P. luisae | 4.7–11(−15), markedly angular | absent | 16–20 × 9–11.3 | 3–4 | 1 | present | green becoming cream towards the apex, not constricted, moderately opened | visible |
P. millerianum | 2.4–8.5, terete | absent | 20.2–21.7 × 4–11.1 | 4 | 1 | present | completely white, strongly constricted, slightly opened | not visible |
P. simonianum | 2–4, terete | absent | 36–42 × 14–20 | 3–4 | 3–4 | present | completely white, not constricted, reflexed | not visible |
P. tenuispadix | 3–4, terete | present | 51–59 × 24–27 | 6–8 | 1–3 | present | completely green, slightly constricted, almost completely opened, but not reflexed | not visible |