Characters;"S. ibe-dzi";"S. longipetiolatus";"S. racemosus";"S. ramiro-cruzii"
"Stem nodes";"compressed and bicarinate";"subterete to complanate";terete;terete
"Leaf shape";"ovate to lanceolate, rare elliptical";"lanceolate, ovate, or narrowly ovate";"narrowly lanceolate to subulate-falcate";"ovate to lanceolate, cordate when mature"
"Leaf apex shape";"acute to acuminate";"long acuminate to acute mucronate";apiculate;"apiculate or acute"
"Leaf base shape";"cuneate to oblique";"attenuate to oblique";"attenuate to cuneate";"subcordate to truncate"
"Petiole length (cm)";0.25–1.2;1.2–3.2;0.6–0.9;0.5–1
"Inflorescences per axil";1;1;1;1(2)
"Inflorescence subunit";"mostly triads, rarely monads in the apical flowers of inflorescence";triads;monads;"triads, rarely monads or dyads in the apical flowers of the inflorescence"
"Flowers in triads (monads if applicable)";"central sessile and laterals pedicellate";"central sessile and laterals pedicellate";"monads pedicellate";"central sessile and laterals pedicellate"
"Pistillate inflorescence length (cm)";2–5;3.5–7.6;3–4.5;2.5–6.2(–10.5)
"Triads/monads number per pistillate inflorescence";"6–12(–15) triads";"10–14(–16) triads";"8–10(–12) monads";"8–20 triads"
"Pistillate flower length from base of ovary (mm)";5.8–7.2;4.7–6;3.8–5;5–5.8
"Staminate inflorescence length (cm)";2–6.8;3.6–10.8(–12);3.6–4.6;2.5–8
"Triads/monads number per staminate inflorescence";6–16(–19);12–16(–18);"10–12 monads";10–16
"Staminate flower length from base of ovary (mm)";6–9;6.2–10.2;4.6–6;6–7
"Flower colour";green;"olive green yellowish to pink-reddish";reddish;greenish-yellow