FOC_25_Epidendroidea..

426
spotted with red. Dorsal sepal broadly ovate, concave, 8–10 ×
6–7 mm, apex subtruncate and mucronulate; lateral sepals
obliquely ovate-lanceolate, 10–11 × ca. 6 mm, ± narrowed and
twisted near base, their lower margin connate to each other
toward base, apex obtuse. Petals broadly ovate-triangular, ca.
4.5 × 4 mm, base ca. 1/3 width adnate to column foot, margin
entire, apex mucronate; lip recurved, subovate in outline, ca. 5
× 3.4 mm, adaxially with 3 longitudinal keels, base dilated and
attached to end of column foot, immobile, apex emarginate.
Column ca. 3 mm, with triangular, acute wings along lower
margins; foot ca. 5 mm, with free part ca. 2 mm, upcurved;
stelidia filiform, ca. 2.8 mm; anther cap subglobose, glabrous.
Fl. Aug.
Tree trunks in broad-leaved forests; 800–1800 m. SE Xizang
[Bhutan, NE India, Nepal, Vietnam].
56. Bulbophyllum umbellatum Lindley, Gen. Sp. Orchid. Pl.
56. 1830.
伞花卷瓣兰 san hua juan ban lan
Bulbophyllum saruwatarii Hayata; B. tibeticum Rolfe; Cirrhopetalum
saruwatarii (Hayata) Hayata; Phyllorkis umbellata
(Lindley) Kuntze.
Rhizome creeping and rooting, 3–4 mm in diam. Pseudobulbs
often 1–2 cm apart on rhizome, ovoid or ovoid-conic,
1.3–3.5 cm, 1–2 cm in diam., with a terminal leaf. Petiole 1–2
cm; leaf blade oblong, 8–19 × 1.3–2.8 cm, leathery, apex obtuse
and emarginate. Scape from base of pseudobulb, erect, 8–12
cm; umbel often 2–4-flowered; peduncle 1.5–2 mm in diam.,
with 2 tubular sheaths ca. 1 cm; floral bracts lanceolate, ca. 9
mm, concave. Pedicel and ovary ca. 2 cm. Flowers dark
greenish yellow or dark brown with purplish apex except
whitish lip. Dorsal sepal ovate, concave, ca. 9 × 5 mm, apex
acute; lateral sepals falcate-lanceolate, ca. 15 × 5 mm, base
adnate to column foot, twisted near base, their lower edges of
basal part connate, apex obtuse. Petals ovate, ca. 7 × 5 mm,
entire, obtuse-rounded; lip recurved, ligulate, ca. 5 mm, fleshy,
base subcordate, apex obtuse. Column ca. 2 mm, stout, with
deltoid, rounded wings along lower margins; foot ca. 5 mm,
with free part ca. 1.5 mm; stelidia deltoid, ca. 1 mm; anther cap
subglobose. Fl. Apr–Jun. 2n = 38.
Tree trunks in forests; 1000–2200 m. SW Guizhou, SW Sichuan,
Taiwan, SE Xizang, S and W Yunnan [Bhutan, NE India, Myanmar,
Nepal, Thailand, Vietnam].
57. Bulbophyllum sphaericum Z. H. Tsi & H. Li, Bull. Bot.
Res., Harbin 1(1–2): 117. 1981.
球茎卷瓣兰 qiu jing juan ban lan
Rhytionanthos sphaericus (Z. H. Tsi & H. Li) Garay, Hamer
& Siegerist.
Rhizome creeping, ca. 1.5 mm in diam., branched, rooting
from base of pseudobulbs. Pseudobulbs ca. 1 cm apart from
each other, globose, 7–8 mm in diam., with 1 leaf at apex. Leaf
sessile; blade abaxially purplish red, adaxially pale green, elliptic-oblong,
ca. 10 × 6–8 mm, thickly leathery, margin slightly
recurved, apex retuse. Scape from base of pseudobulb, erect,
much longer than leaf; umbel 4- or 5-flowered; floral bracts ca.
EPIDENDROIDEAE
1.5 mm. Pedicel and ovary ca. 3 mm. Flowers purplish red.
Dorsal sepal ovate-lanceolate, ca. 5 × 2 mm, abaxially papillate
below middle, apex emarginate; lateral sepals narrowly lanceolate,
ca. 25 × 3 mm, abaxially densely papillate in basal half,
base twisted, their upper and lower edges connate to each other,
margins incurved, apex cuspidate. Petals elliptic, ca. 3 × 2 mm,
entire, obtuse-rounded; lip recurved, lanceolate, ca. 3.5 mm,
fleshy, base grooved, attached to end of column foot by a
mobile joint. Column ca. 2 mm; stelidia subsquare, ca. 0.5 mm;
foot upcurved, with free part ca. 1 mm. Fl. Sep–Dec.
● Tree trunks in evergreen broad-leaved forests. Sichuan, SW
Yunnan.
58. Bulbophyllum bomiense Z. H. Tsi, Acta Phytotax. Sin.
16(4): 128. 1978 [“bomiensis”].
波密卷瓣兰 bo mi juan ban lan
Rhizome creeping, ca. 1 mm in diam., sheathing when
young. Pseudobulbs 1–2 cm apart from each other, ovoid-conic,
7–10 mm, ca. 5 mm in diam., with a terminal leaf. Leaf subsessile;
blade oblong, 1.7–3.5 × 0.5–0.7 cm, leathery, margin
slightly undulate, apex obtuse and slightly emarginate. Scape
from base of pseudobulb, erect, ca. 2 cm, slender; umbel 2–4flowered;
peduncle with 3 tubular sheaths ca. 7 mm; floral
bracts ovate-lanceolate, ca. 3 mm. Pedicel and ovary ca. 4 mm.
Flowers deep red or purplish, spotted with deep purple on petals,
thickly textured. Dorsal sepal oblong, concave, ca. 7 × 2.5
mm, distal margins densely finely papillate, abaxially sparsely
papillate; lateral sepals nearly falcate-lanceolate, ca. 7 mm,
abaxially densely papillate especially in apical half, base adnate
to column foot, apical margins incurved, twisted near base, their
upper and lower edges connate to each other, apex obtuse. Petals
subelliptic, ca. 4 × 2.5 mm, margins densely finely papillate,
apex rounded; lip slightly recurved, subligulate, ca. 3 mm,
fleshy, base grooved, attached to end of column foot by a
mobile joint, laterally with 2 longitudinal lamellae close to both
margins. Column ca. 1.2 mm, winged; foot ca. 1.5 mm, with
free part ca. 0.8 mm; stelidia sharply dentate, ca. 0.5 mm; anther
cap densely finely papillate, apex with 1 small globose projection.
Fl. Jul.
● Rocks in evergreen broad-leaved forests; 2000–2100 m. SE
Xizang, NW Yunnan.
59. Bulbophyllum farreri (W. W. Smith) Seidenfaden, Dansk
Bot. Ark. 29(1): 212. 1974.
麻栗坡卷瓣兰 ma li po juan ban lan
Cirrhopetalum farreri W. W. Smith, Notes Roy. Bot. Gard.
Edinburgh 13: 196. 1921; Bulbophyllum malipoense Z. J. Liu,
S. C. Chen & S. P. Lei.
Rhizome creeping, rooting below pseudobulbs. Pseudobulbs
clustered, ovoid-globose, 9–12 mm, 6–8 mm in diam.,
with 1 leaf at apex. Leaf subsessile; blade 20–70 × 6–22 mm,
thickly leathery, apex obtuse and emarginate. Scapes at base of
pseudobulbs, spreading, ca. as long as leaves; umbel 5–9-flowered;
floral bracts lanceolate, 5–6 mm. Pedicel and ovary 5.5–
6.5 mm. Dorsal sepal and petals yellowish with 3 dark purple
veins, lateral sepals yellowish with purplish spots and veins.
Dorsal sepal ovate, 3.8–5 × 1.6–3 mm, margin entire, apex ob-