Coelogyne hookeriana Lindl., Fol. Orchid. 5: 14 (1854);  Pleione laotica Kerr

Plants 15–17 cm tall. Rhizome slender with fibrous roots. Pseudobulb conic, 3–4 × 0.5–1 cm. Leaf 1, elliptic-lanceolate or suboblong, 7–13 × 2–5 cm, apex acute, petiole-like stalk 10–15 mm. Inflorescence emerging from base of immature leafy pseudobulbs; peduncle 6–10 cm, with sheaths below middle, 1-flowered. Peduncle bracts oblong-ovate, 10–20 × 5–6 mm, apex acute. Floral bracts suboblong, 10–17 × 4–5 mm, apex obtuse, slightly longer than pedicel and ovary. Flower sepals and petals pale purplish to white with flushed purple, lip white with purple or yellowish brown spots; 5–6 cm across. Pedicel and ovary 1–2 cm. Dorsal sepal suboblong or oblanceolate, 25–45 × 7–12 mm, apex acute. Lateral sepals falcately lanceolate, 25–40 × 8–12 mm, apex acute. Petals oblanceolate, 20–30 × 10 mm, apex acute. Lip subcordate, 20–40 × 25–4.5 mm, obscurely 3-lobed; lateral lobes semielliptic ca. 15–20 × 12–15 mm; mid-lobe ca. 20 × 30 mm, apex emarginate, apical margin irregularly denticulate; disk with 7 rows of fimbriate papillae. Column arcuate, 18–30 mm, apex winged and slightly dentate. Fruit ellipsoid, 15–20 × 10–15 mm. 

Distribution: Nepal, E Himalaya, W Himalaya, Assam-Burma, Tibetan Plateau, E Asia, and SE Asia.

 Altitudinal range: 2200–3200 m.

Ecology: Epiphytic on tree trunks and main branches or mossy rocks.

Flowering: April–June. Fruiting: July–October.

Epidendrum humile Sm., Exot. Bot. 2: 75 (1806); Coelogyne humilis (Sm.) Lindl.; Pleione diantha Schltr.

Plants 8–10 cm tall. Rhizome slender with fibrous roots. Pseudobulb conic, 1.5–3 × 0.6–1 cm. Leaf 1, oblanceolate to elliptic, 8–11 × 2–3.5 cm, apex acute, petiole-like stalk 15–20 mm. Inflorescence emerging from base of leafless pseudobulbs; peduncle 3–5 cm, with sheaths below middle, often 1 or rarely 2-flowered. Peduncle bracts oblong, ca. 5–7 × 4–5 mm, apex truncate. Floral bracts obovate, 20 × 5–6 mm, apex subacute to obtuse, longer than pedicel and ovary. Flowers sepals and petals white, lip white with purple or yellowish brown spots; 4 cm across. Pedicel and ovary 2–2.5 cm. Dorsal sepal linear-oblanceolate, 25–30 × 5–7 mm, apex subacute. Lateral sepals obliquely oblanceolate, 25–30 × 5–7 mm, apex subacute. Petals obliquely linear-oblanceolate, 30–35 × 5–6 mm, apex obtuse. Lip oblong-elliptic, 35 × 25 mm, obscurely 3-lobed; lateral lobes oblanceolate, ca. 10 × 3 mm, apex obtuse; mid-lobe orbicular, 20 × 15 mm, apex rounded, emarginate, margin lacerate; disk with 5–7 fimbriate lamellae. Column arcuate, 20–25 mm, apex winged and dentate.  Fruit suboblong, 25–30 × 10 mm.

Distribution: Nepal, E Himalaya, W Himalaya, Tibetan Plateau and Assam-Burma.

Altitudinal range: 2000–3000 m.

Ecology: Epiphytic on tree trunks and main branches in woodland forests.

Flowering: March–April. Fruiting: May–October.

Coelogyne maculata Lindl., Gen. Sp. Orchid. Pl.: 43 (1830); Coelogyne arthuriana Rchb.f.; Pleione diphylla Lindl. & Paxton

Plants 6–12 cm tall. Rhizome slender with fibrous roots. Pseudobulbs pyriform apex necked, 2–3 × 1 cm. Leaves 2, elliptic-oblong to oblanceolate, 6–15 × 3–4 cm, apex acute, petiole-like stalk 10 mm. Inflorescence emerging from base of leafless pseudobulbs; peduncle 5–6 cm, with sheaths below middle, 1-flowered. Peduncle bracts spathaceous, 8–10 × 7–10 mm, apex subacute to obtuse.  Floral bracts obovate, 15–20 × 8–10 mm, apex obtuse, longer than pedicel and ovary. Flower sepals and petals white or occasionally with striations of pink, lip white with marked yellow and brownish pink striations, fimbriate ridges yellow; 5–6 cm across. Pedicel and ovary 15–20 mm.  Dorsal sepal oblong-lanceolate, 30–45 × 7–10 mm, apex acute. Lateral sepals falcately lanceolate, 30–45 × 8–10 mm, apex acute.  Petals falcately oblong-lanceolate, 30–45 × 7–8 mm, apex subacute. Lip obovate, 25–30 × 20–25 mm, 3-lobed; lateral lobes semi-ellipse, ca. 15 × 10 mm, apex obtuse; mid-lobe 10–15 × 12–15 mm, apex obtuse, emarginate, margin without fimbriae, erose; disk with 5–7 fimbriate ridges. Column arcuate, 15–20 mm, apex winged and dentate. Fruit suboblong, 17–20 × 8–10 mm.

Distribution: Nepal, E Himalaya, Assam-Burma, East Asia and South East Asia.

Altitudinal range: 200–1600 m.

Ecology: Epiphytic on tree trunks and main branches or lithophytic on mossy rocks in broad-leaved forests.

Flowering: September–October. Fruiting: November–April.

Epidendrum praecox Sm., Exot. Bot. 2: 73 (1806); Coelogyne praecox (Sm.) Lindl.; Cymbidium praecox (Sm.) Lindl.; Dendrobium praecox (Sm.) Sm.; Pleione wallichiana (Lindl.) Lindl. & Paxton.

 Plants 12–17 cm tall. Rhizome slender with fibrous roots. Pseudobulb pyriform, apex necked, 1–2 × 1–2 cm. Leaves 2, elliptic-oblanceolate, 9–20 × 2–4 cm, apex acuminate, petiole-like stalk 20–23 mm. Inflorescence emerging from base of leafless pseudobulbs; peduncle 4–10 cm, with 3 sheaths below middle, 1 or occasionally 2-flowered. Peduncle bracts ovate, 5–10 × 3–5 mm, apex obtuse. Floral bracts oblong-oblanceolate, 20–30 × 15–20 mm, apex acute, longer than pedicel and ovary. Flower sepals and petals pinkish, lip white with flushed yellow and purple spots; 5–7 cm across. Pedicel and ovary 1.5–2 cm. Dorsal sepal oblong-lanceolate, 50–60 × 5–10 mm, apex acute. Lateral sepals obliquely oblong-lanceolate, 45–60 × 10 mm, apex acute. Petals linear-lanceolate, falcate, 50–60 × 4–5 mm, apex acute. Lip obovate-elliptic, 40–50 × 25–35 mm, 3-lobed; lateral lobes elliptic, ca. 20–30 × 10 mm; mid-lobe elliptic-ovate, ca. 20 × 20 mm, apex emarginate, margin lacerate-fimbriate; disk with 3–5 rows of fimbriate papillae. Column arcuate, 40–45 mm, apex winged and dentate. Fruit suboblong, 20–30 × 7 mm.

Distribution: Nepal, E Himalaya, W Himalaya, Assam-Burma, Tibetan Plateau, E Asia, S Asia and SE Asia.

Altitudinal range: 1500–2500 m.

Ecology: Epiphytic on tree trunks and main branches or lithophytic in mossy rocks.

Flowering: September–October. Fruiting: November–May.