;"S. montana";"S. evansiana";"S. aristeae"
Habitat;"Campo rupestre";Cerrado;"Campo rupestre"
"Plant height";"37–80 cm";"62–100 cm";"100–165 cm"
"Leaf rachis";"21–57 cm";"79–97 cm";"94–145 cm"
Leaves;3–6(–10);6–11;3–6
"Sheathing leaf base ca.";"12–20 cm long";"1.5–12 cm long";"13–23 cm long"
Pseudopetiole;"10–23 cm long";"15–33 cm long";"15–34 cm long"
"True petiole";"0–39.5 × 0.6–1.1 cm";"17.5–32 × 1.0–1.5 cm";"10–32.5 × 0.8–1.4 cm"
"Pinnae number";18–43;33–48;38–67
"Pinna arrangement";2–5(–6);2–4(–5);2–3(–4)
"Apical pinnae";"3–8.5 × 0.1–0.9 cm";"9–12 × 0.5–0.7 cm";"7–18 × 0.6–1.0 cm"
"Middle pinnae";"12–18 × 1.3–2.0 cm";"19–30 × 1.5–3.0 cm";"22–33 × 1.3–3.0 cm"
"Basal pinnae";"11–18 × 0.5–0.9 cm";"15.5–16 × 0.6–0.7 cm";"20–32 × 0.5–1.2 cm"
"Prophyll size";"5–14 × 1.0–1.8 cm";"6–16 × 1.3–2.6 cm";"7–23 × 1.3–4.8 cm"
Inflorescence;"Usually branched";"Usually spicate";"Spicate or branched"
"Inflorescence length";"8–26 cm";"16.5–34 cm";"36–71.5 cm"
Peduncle;"8–16 cm";"8–27 cm";"18–42 × 0.4–0.9 cm"
"Axis of the inflorescence";"8–15 cm";"9.5–20 cm";"18–29.5 cm"
"Rachis of the inflorescence";"0–2.5 cm";"0–13 cm";"0–5(–10) cm"
Rachillae;1–6;1–8;1–9
"Apical rachillae";"10.5–11 cm";"4.5–10 cm";"11–21 cm"
"Basal rachillae";"(2–)4–9.5 cm";"5–8 cm";"11–21 cm"
"Flower arrangement";Triad;"Triads, tetrads, and pentads";Triad
"Peduncular bract";"12–31 cm";"18.5–48 cm";"32–67 cm"
Beak;"0.4–0.8 cm";"0.3–1.5 cm";"1–2 cm"
"Inflated portion";"7–16.5 × 1.5–4.8 cm";"13–22 × 3–7 cm";"14–31 × 3.3–6.5 cm"
"Peduncular bract perimeter and thickness";"2.5–6.2 cm× 1–2.5 mm";"4–11 cm × 1.5–3 mm";"4–7 cm × 2.5–3 mm"
"Staminate flowers"
Flowers;"Pedicellate on the basal portion";Sessile;Sessile
"Size at apex";"8–14 × 3–6 mm";"10–14.5 × 4–7 mm";"10–12.5 mm"
"Size at base";"13–15 × 4–6 mm";"13–20 × 5–7 mm";"11.2–15.9 mm"
"Sepal size";"0.5–4 × 0.5–2 mm";"1.5–5 × 1–1.5 mm";"1.3–3.6 × 0.7–2.6 mm"
"Petal size";"7–13 × 2–5 mm";"9–16 × 2–5 mm";"9–14.8 × 2.1–4.5 mm"
Stamen;"4–8 mm";"4–9 mm";"5.9–9.0 mm"
Anther;"3.5–6 mm";"4–5.5 mm";"4.4–7.7 mm"
"Base of the anther";Cordate;Sagittate;Cordate
Filament;"1–3 mm";"1.5–4 mm";"1.3–3.2 mm"
Pistillode;"0.5–1.5(–3) mm";"0.5–1.0 mm";"0.5–1.5 mm"
"Pistillate flowers"
"Size at apex";"8–15 × 6–7 mm";"15–18 × 4–7 mm";"12.1–16 mm"
"Size at base";"11–16 × 3–6 mm";"17–20 × 5–10 mm";"12.1–16 mm"
"Number of sepals";3;2–3;3
Sepal;"11–16 × 3–7 mm";"12–19 × 5–8 mm";"11.1–14.6 × 3.9–8.2 mm"
"Number of petals";"3 or occasionally 4";3;3
Petal;"8–14 × 3.5–5 mm";"14–18 × 8–7 mm";"7–12 × 1.6–4.7 mm"
"Petal tip";"2/3 of the petal length";"1/3 to 1/2 of the petal length";"2/5 to 1/2 of the petal length"
Pistil;"6–8 × 2–4 mm";"9–13 × 2–4 mm";"5.8–7.7 × 2.1–3.9 mm"
"Pistil indumentum";Present;Absent;Absent
Stigma;"2–5 mm";"3–5 mm";"2.8–3.4 mm"
"Staminodial ring";"1–1.5 mm";"1–3 mm";"1 mm"
Staminodes;Undulate;Dentate;Dentate
Fruit;"Nearly globose";Ellipsoid;"Nearly globose"
"Fruit sized";"1.4–1.6 × 1.1–1.4 cm";"2.0–2.3 × 1.4–1.6 cm";"1.7–2.5 × 1.1–1.9 cm"
"Epicarp indumentum";"Thick brownish";"Thick brownish";"Cracked plates"
Mesocarp;"ca 0.5 mm";"ca 1.0 mm";"1.0–2.5 mm"
"Endocarp size";"1.3–1.4 × 1.0–1.2 cm";"1.6–2.0 × 0.9–1.3 cm";"1.3–1.8 × 1.1–1.4 cm"