+
+| Characters |
+
+
+P. jiuwanshanensis
+
+ |
+
+
+P. fujianensis
+
+ |
+
+
+P. guangdongensis
+
+ |
+
+
+P. minor
+
+ |
+
+
+P. zijinensis
+
+ |
+
+
+| Plant |
+22–51 cm, leafless |
+18–20 cm, leafless |
+19–22 cm, leafless |
+20–60 cm, with leaf |
+35–45 cm, with leaf |
+
+
+| Rootstock |
+moniliform or cylindrical, 16 × 0.6–0.9 cm |
+cylindrica, 1.4–2.4 × 0.5–0.8 cm |
+cylindrica, 1.3–2.5 × 0.2–0.4 cm |
+fusiform, 1.5–6 × 0.4–1.5 cm |
+ellipsoidal, 1–4 × 0.3–1 cm |
+
+
+| Inflorescence |
+6.5–15.4 cm, 6–8- flowered |
+8–10 cm, 11–18- flowered |
+3.5–5 cm, 5–9- flowered |
+10–18 cm, with many flowers |
+7–16 cm, 8–17- flowered |
+
+
+| Bracts |
+lanceolate, 0.8–1.6 cm long |
+lanceolate, 1.3 cm long |
+lanceolate, 0.6–0.9 cm |
+ovate-lanceolate, 0.8–2 cm long |
+ovate-oblong to ovate, 0.7–1.9 cm long |
+
+
+| Dorsal sepal |
+ca. 6 × ca. 5 mm |
+4 × 3 mm |
+2.1–2.5 × 1.4–1.6 mm |
+4–5 × 3.5–4 mm |
+4–5 × 4–5 mm |
+
+
+| Lateral sepals |
+falciform, ca. 9.5 × ca. 2.3 mm |
+oblong-lanceolate, 5 × 2 mm |
+oblong, 4–4.5 × 0.9–1.2 mm |
+elliptic, 5–7 × 2.5–3 mm |
+oblong, 5–5.5 × 2–2.5 mm |
+
+
+| Petals |
+ca. 6.5 × ca. 2.9 mm |
+3.6 × 2 mm |
+3.2–3.6 × 1.1–1.3 mm |
+4–5 × 2–2.5 mm |
+4–5 × 1.7–2.2 mm |
+
+
+| Lip |
+ligulate-linear, 11 × 3.1 mm, pendulous and reflexed towards ovary |
+ligulate-triangular, 6 × 4 mm, extending forwards |
+ligulate, 4–4.3 × 1.4–1.6 mm |
+ligulate, 5–8 × 1.5– 2.5 mm, pendulous and reflexed towards ovary |
+ovate-oblong, 6–8 × 2.8–3.5 mm, pendulous and reflexed towards ovary |
+
+
+| Spur |
+cylindrical, curved, ca. 1.7 cm long |
+cylindrical-conical, not curved, 1–1.3 cm long |
+spur cylindric, 1–1.2 cm long. |
+cylindrical, slightly curved, 1.2–1.8 cm long |
+cylindrical, curved, 1.1–1.5 cm long |
+
+
+| Column |
+ca. 3.5 mm tall, connective ca. 1 mm wide |
+1.8–3 mm tall, connective 0.4–0.5 mm wide |
+ca. 2 mm tall, connective narrow |
+3–4 mm tall, connective at least 1 mm wide |
+2–3 mm tall, connective ca. 1.1 mm wide |
+
+
+| Florescence |
+September |
+July–September |
+May |
+May–July |
+June |
+
+
+