ORCHIDACEAE - China

EPIDENDROIDEAE 231ovary 2–3 mm. Dorsal sepal oblong or narrowly ovate-oblong,2.8–3.2 × 0.8–1 mm, apex obtuse; lateral sepals narrowly ovateoblong,2–3.5 × 1–1.2 mm, apex obtuse. Petals narrowly linearor filiform, 2–3.5 × ca. 0.3 mm; lip superior, subovate-triangular,1.8–2 × ca. 1 mm, unlobed, apex obtuse; disk with 5 thicklongitudinal ridges, with a somewhat Y-shaped projection above.Column erect, ca. 1.5 mm. Capsule ellipsoid, ca. 8 × 3.5–4 mm;fruiting pedicel ca. 2 mm. Fl. and fr. Jul–Sep.Forests. S and W Hainan [Vietnam].2. Crepidium ramosii (Ames) Szlachetko, Fragm. Florist.Geobot., Suppl. 3: 131. 1995.心 唇 沼 兰 xin chun zhao lanMalaxis ramosii Ames, Philipp. J. Sci., C, 6: 45. 1911;Pseudoliparis ramosii (Ames) Margońska & Szlachetko.Plants terrestrial. Pseudobulbs inconspicuous. Leaves usually2, subopposite, pale green, obliquely elliptic-ovate, 5–8 ×3.5–4.5 cm, base with a sheathlike petiole, margin slightlycrisped. Inflorescence erect; peduncle green, 10–12 cm, slender;rachis 10- or more flowered; floral bracts reflexed, verysmall. Flowers orange; pedicel and ovary ca. 3.8 mm. Dorsalsepal ovate, ca. 5 × 4 mm; lateral sepals obliquely obovate, ca.4 × 2.8 mm. Petals oblanceolate or obovate, slightly smallerthan lateral sepals; lip superior, cordate, ca. 3 × 3 mm, base subcordateand with 2 small auricles on either side, unlobed, apexobtuse; disk with a pair of short dark ridges. Column ca. 1.7mm, basal half connate to lip, apical part with short broadwings. Fl. Aug–Nov.Forests; 300–400 m. S Taiwan [Philippines].3. Crepidium orbiculare (W. W. Smith & Jeffrey) Seidenfaden,Contr. Orchid Fl. Thailand 13: 18. 1997 [“orbicularum”].齿 唇 沼 兰 chi chun zhao lanMicrostylis orbicularis W. W. Smith & Jeffrey, Notes Roy.Bot. Gard. Edinburgh 9: 111. 1916; Malaxis orbicularis (W. W.Smith & Jeffrey) Tang & F. T. Wang; Microstylis tenebrosaRolfe ex Downie.Plants terrestrial. Pseudobulbs ovoid, ca. 1 cm × 7–8 mm,± enclosed in white membranous sheaths. Leaves often 3,ovate-lanceolate, oblong-lanceolate, or ovate, 4.5–13 × 1.8–4.8cm, base contracted into a sheathlike, amplexicaul petiole 2.5–6cm, apex acuminate or long acuminate. Inflorescence erect;peduncle 14–40 cm, wingless; rachis 5–9 cm, usually more than10-flowered; floral bracts reflexed, linear-lanceolate, 5–7(–10)mm. Flowers dark purple or blackish purple, 6–7 mm in diam.;pedicel and ovary 5–6 mm. Dorsal sepal oblong or broadlylinear, 5–6 × 1.2–1.5 mm, margin often revolute, apex obtuse;lateral sepals nearly broadly oblong, ca. 3.5 × 2 mm, baseslightly oblique, apex obtuse. Petals narrowly linear, ca. 5 × 0.6mm; lip superior, suborbicular or broadly obovate-elliptic inoutline, 7–8 × ca. 5 mm, apical margin with 15–20 fimbriateteeth 0.5–1 mm, with a central depression; auricles ovate-triangularto narrowly ovate, 3.5–4 mm, surrounding column. Columnca. 1 mm, stout. Fl. Jun. 2n = 40*.● Forests; 800–2100 m. S and SW Yunnan.4. Crepidium ovalisepalum (J. J. Smith) Szlachetko, Fragm.Florist. Geobot., Suppl. 3: 130. 1995.卵 萼 沼 兰 luan e zhao lanMicrostylis ovalisepala J. J. Smith, Bull. Jard. Bot. Buitenzorg,sér. 3, 10: 42. 1928; Malaxis ovalisepala (J. J. Smith)Seidenfaden; M. szemaoensis Tang & F. T. Wang.Plants terrestrial. Stem cylindric, 1–2 cm, fleshy. Leaves2–4; petiole ca. 2 cm, sheathlike; blade obliquely ovate or elliptic,2–6.5 × 1.2–3.5 cm, base cuneate, apex acute. Inflorescenceerect; peduncle 8–12 cm, ± longitudinally ridged; rachis 2.5–6cm, laxly 7- or 8-flowered; floral bracts reflexed, lanceolate, 3–4 mm. Flowers pale green to yellow, 4–5 mm in diam.; pediceland ovary 3–4 mm. Dorsal sepal narrowly oblong to oblong, 3–3.5 × ca. 1 mm, margin often revolute, apex obtuse; lateral sepalsovate-elliptic, 2.5–3 × ca. 1.5 mm, slightly oblique, marginrevolute, apex obtuse. Petals narrowly linear, 3–3.5 × ca. 0.4mm, apex obtuse; lip superior, nearly broadly obovate orbroadly oblong in outline, ca. 5 × 3.5 mm, with a central depression,apex 3-lobed or unlobed; if lip 3-lobed, mid-lobe with1 or 2 teeth on either side, apex 2-lobed, lobules ovate-lanceolateto lunate; if lip unlobed, margin with several irregular teeth;auricles ovate-triangular to triangular-lanceolate, ca. 2.5 mm,surrounding column. Column ca. 1 mm, stout. Fl. Jun.Shaded slopes; 600–1500 m. S Yunnan [W Indonesia (Sumatra),Thailand].5. Crepidium bancanoides (Ames) Szlachetko, Fragm. Florist.Geobot., Suppl. 3: 124. 1995.兰 屿 沼 兰 lan yu zhao lanMalaxis bancanoides Ames, Orchidaceae 2: 129. 1908; M.miyakei (Schlechter) Tang & F. T. Wang; M. roohutuensis(Fukuyama) K. Nakajima; Microstylis iriomotensis Masamune;M. miyakei Schlechter; M. roohutuensis Fukuyama.Plants terrestrial. Stem erect, prostrate at base, green,cylindric, 5–15 cm, 4–6 mm in diam., fleshy, with many nodes.Leaves 5–8, loosely arranged; petiole 3–4 cm; blade elliptic orovate-elliptic, 4.5–7.5 × 2–3.5 cm, margin crisped, apex acute.Peduncle 14–15 cm; rachis densely many flowered; floralbracts reflexed, linear-lanceolate, ca. 5 mm. Flowers orangeyellow,2.5–3 mm in diam.; pedicel and ovary ca. 5 mm. Sepalsoblong-lanceolate or narrowly elliptic, 2.5–3 × 1–1.5 mm, apexobtuse; lateral sepals somewhat oblique. Petals narrowly linear,ca. 2.5 × 0.8 mm, apex obtuse; lip superior, suborbicular orslightly square in outline, 3–4 × 2.5–3.5 mm, 3-lobed; laterallobes triangular; mid-lobe ovate-triangular, apex emarginate,with 1 or 2 teeth on each side; auricles ovate-triangular, ca. 2mm, surrounding column. Column ca. 1 mm, stout, with 2 broadapical wings. Fl. Sep–Nov. 2n = 44.Dense forests, along streamsides; 300–400 m. E and S Taiwan[Japan (Ryukyu Islands), Philippines].Chinese records of Crepidium copelandii (Ames) Szlachetko (e.g.,in FRPS 18: 113. 1999, as Malaxis copelandii Ames) are referable to C.bancanoides. True C. copelandii is endemic to the Philippines.