FOC_25_Epidendroidea..

43. Bulbophyllum violaceolabellum Seidenfaden, Nordic J.
Bot. 1: 210. 1981.
等萼卷瓣兰 deng e juan ban lan
Rhizome stout, creeping, 4–6 mm in diam., rooting. Pseudobulbs
4–9 cm apart on rhizome, ovoid, 1.5–3.4 cm, 1–1.3 cm
in diam., with a terminal leaf. Petiole conduplicate, 1.5–2 cm;
leaf blade oblong to obovate-oblong, 10–20 × 2.2–4.3 cm,
slightly fleshy or leathery, apex obtuse. Scape from base of
pseudobulb, erect, 19–26 cm; raceme shortened, umbel-like,
often 3–5-flowered; peduncle 2–3 mm in diam., with 3 or 4
tubular sheaths 8–13 mm; floral bracts lanceolate, ca. 5 mm,
apex acuminate. Pedicel and ovary ca. 2.2 mm. Flowers widely
opening, with yellow and purplish spotted sepals and petals and
purple lip. Dorsal sepal broadly ovate, 6–8 × ca. 6.2 mm, margin
slightly undulate, apex obtuse; lateral sepals ovate-triangular,
8–9 × ca. 8 mm, base adnate to column foot, apex mucronate.
Petals ovate-lanceolate, 4–5 × ca. 3 mm, entire, aristate;
lip strongly recurved, ligulate, ca. 5 × 3 mm, fleshy, base
attached to end of column foot by a mobile joint, apex truncate.
Column yellow, ca. 2 mm, base ca. 3 mm in diam., with wings
decurrent to foot; foot purple, ca. 5.5 mm, with free part ca. 2.5
mm; stelidia subulate, ca. 2.5 mm. Fl. Apr.
Trees or rocks in open forests in limestone areas; ca. 700 m. S
Yunnan [Laos].
44. Bulbophyllum caudatum Lindley, Gen. Sp. Orchid. Pl. 56.
1830.
尾萼卷瓣兰 wei e juan ban lan
Cirrhopetalum caudatum (Lindley) King & Pantling.
Rhizome slender, 1–2 mm in diam., branched, rooting from
their nodes. Pseudobulbs 2–8 cm apart from each other, ovoid,
1–2.5 cm, 6–10 mm in diam., with a terminal leaf. Petiole short,
2–3 mm; leaf blade ovate-lanceolate or sometimes oblong, 2.5–
6.5 × 1–1.5 cm, leathery, apex acute or obtuse. Scape from base
of pseudobulb, erect, usually 1–3 cm; umbel flabellate, many
flowered; floral bracts lanceolate, nearly as long as pedicel and
ovary. Flowers white. Dorsal sepal ovate-oblong, ca. 5 × 2.5
mm, apex acuminate; lateral sepals free, parallel to each other
or slightly divergent, lanceolate, 25–35 mm, apex long caudate.
Petals obovate-oblong, short, apex obtuse; lip oblong, ca. as
long as petals, clawed at base, basal margins erect, distal margins
decurved. Column stout, with nearly suborbicular wings;
stelidia slender; anther cap papillate. Fl. unknown. 2n = 38.
Tree trunks in evergreen broad-leaved forests; 800–1000 m. SE
Xizang [India (Sikkim), Nepal].
45. Bulbophyllum delitescens Hance, J. Bot. 14: 44. 1876.
直唇卷瓣兰 zhi chun juan ban lan
Cirrhopetalum delitescens (Hance) Rolfe.
Rhizome creeping, stout, ca. 4 mm in diam., often
branched, rooting. Pseudobulbs 3–11 cm apart on rhizome,
ovoid or subcylindric, 1.7–3.5 cm, 5–10 mm in diam., with a
EPIDENDROIDEAE
19b. Lateral sepals 5–10 mm; flowers deep or dark red, usually
± with deep-colored spots or veins ............................................................ 61. B. tigridum
423
terminal leaf. Petiole 2–3 cm; leaf blade oblong, elliptic, or
obovate-oblong, 16–25 × 3.5–6 cm, leathery, apex obtuse or
shortly acute. Scape from base of pseudobulb, erect, 10–22 cm;
umbel often 2–4-flowered; peduncle ca. 1.5 mm in diam.,
sparsely with 3 tubular sheaths ca. 1 cm; floral bracts lanceolate,
4–6 mm, apex aristate. Pedicel and ovary ca. 1 mm. Flowers
purple. Dorsal sepal ovate, cymbiform, ca. 10 × 3 mm, apex
truncate and emarginate, in sinus with an awn ca. 7 mm; lateral
sepals narrowly lanceolate, ca. 60 × 2 mm, base adnate to column
foot, twisted near base and connate along their upper and
lower edges forming a tube, apex long acuminate. Petals falcate-lanceolate,
5–7 × 1.5–2 mm, apex truncate to emarginate,
in sinus with 1 short thread centrally; lip recurved, ligulate, ca.
5 mm, fleshy, base grooved, attached to end of column foot, immobile,
apex obtuse. Column ca. 3 mm, with wings dilated at
its base; foot ca. 5 mm, with free part ca. 3 mm; stelidia ca. 3
mm, apex sharply bidentate. Fl. Apr–Nov.
Rocks along streamsides or valleys, tree trunks in forests; 1000–
2000 m. S Fujian, E and S Guangdong, Hainan, SE Xizang, NE, S, and
W Yunnan [NE India, Vietnam].
46. Bulbophyllum macraei (Lindley) H. G. Reichenbach, Ann.
Bot. Syst. 6: 263. 1861.
乌来卷瓣兰 wu lai juan ban lan
Cirrhopetalum macraei Lindley, Gen. Sp. Orchid. Pl. 59.
1830; Bulbophyllum macraei var. autumnale (Fukuyama) S. S.
Ying; B. uraiense Hayata; C. autumnale Fukuyama.
Rhizome creeping, ca. 2 mm in diam. Pseudobulbs close
or 1–2 cm apart from each other, ovoid, 1–2.8 cm, 1–1.8 cm in
diam., with a terminal leaf. Petiole 1–1.5 cm; leaf blade subelliptic,
8–18 × 2.5–6 cm, thickly leathery, base contracted into
petiole, apex obtuse. Scape yellowish green, 10–20 cm, slender;
umbel 3–5-flowered; peduncle ca. 1 mm in diam., with 2 or 3
sheaths; floral bracts lanceolate, ca. 5 mm, apex acute. Pedicel
and ovary yellowish green or purplish red, ca. 9 mm. Flowers
yellowish white, sometimes ± tinged with purplish red on sepals
and petals. Dorsal sepal ovate-lanceolate, 15–18 × 3–5 mm,
apex acuminate; lateral sepals narrowly lanceolate, 2.5–3.7 cm,
twisted near base, their lower edges connate to each other, apex
acuminate. Petals falcate, 5–6.5 × 2–2.7 mm, apex rounded and
with apical thread; lip recurved, ligulate, 4–6.5 mm, attached to
end of column foot, immobile. Column yellowish green, 2–3
mm; foot ca. 4 mm; stelidia ± twisted and thinly clavate, ca. 2
mm; anther cap subglobose, with comblike teeth at apex. Fl.
Jul–Oct. 2n = 38.
Tree trunks in forests; 500–1000 m. Taiwan [India, Japan (Ryukyu
Islands), Sri Lanka, N Vietnam].
47. Bulbophyllum funingense Z. H. Tsi & S. C. Chen, Bull.
Bot. Res., Harbin 1(1–2): 112. 1981.
富宁卷瓣兰 fu ning juan ban lan
Rhizome creeping, ca. 5 mm in diam., rooting from base
of pseudobulbs. Pseudobulbs ca. 6 cm apart from each other,