AFRICAN

ORCHIDS

Platycoryne guingangae (Rchb.f.) Rolfe in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 258 (1898).
Homotypic Synonyms:

Habenaria guingangae Rchb.f., Flora 48: 179 (1865).
Heterotypic Synonyms:
Habenaria poggeana Kraenzl., Bot. Jahrb. Syst. 16: 207 (1893).
Platycoryne poggeana (Kraenzl.) Rolfe in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 258 (1898).
Description:

Terrestrial herb 30–50 cm tall; tubers c. 10 × 8 mm, ovoid. eaves up to 8, 2–2.5 × 0.5 mm, lanceolate, usually evenly spread along the stem but occasionally forming a tuft at the base. Inflorescence short, closely 1–6-flowered.Flowers orange, erect. Ovary and pedicel c. 15 mm long; bracts 10–15 mm long. Dorsal sepal erect, 6.5–7 × c. 5.5 mm, ovate, convex; lateral sepals 6.3–8.7 × 2.5 mm, obliquely lanceolate. Petals adnate to dorsal sepal, c. 7 mm long, with an anterior lobe near the base; posterior lobe c. 6.3 × 2 mm, anterior lobe 0.3–2 × 0.2 mm. Lip 5.5–6.5 mm long, 3-lobed in the basal half; mid-lobe 4.5–5 × 1–1.5 mm; side lobes 1.8–2 × 0.2 mm; spur 10.5–13.5 mm long, pendent, swollen at apex. Anther c. 4 mm tall; canals 2.5 mm long. tigmatic arms 2–2.5 mm long. Rostellum 2–3 mm long; mid-lobe 1.3–2 mm, side lobes c. 1.5 mm.
Habitat:

Permanently wet dambo, in sandy grassland 1350–1500 m.
Distribution:

WC. & S. Trop. Africa