FOC_25_Epidendroidea..

378
subconic, densely finely papillate, front margin irregularly dentate.
Capsule ovoid, ca. 3 × 1.3–1.6 cm.
Epiphytic on tree trunks in open forests; 1300–1900 m. SE to W
Yunnan [?Bhutan, NE India, Myanmar, N Thailand, N Vietnam].
17. Dendrobium gratiosissimum H. G. Reichenbach, Bot.
Zeitung (Berlin) 23: 99. 1865.
杯鞘石斛 bei qiao shi hu
Callista boxallii (H. G. Reichenbach) Kuntze; C. gratiosissima
(H. G. Reichenbach) Kuntze; Dendrobium boxallii H. G.
Reichenbach; D. bullerianum Bateman.
Stems pendulous, cylindric, to 50 cm, ca. 5 mm in diam.,
fleshy, with many swollen nodes, upper part ± upcurved, internodes
2–2.5 cm, pale yellow when dry. Leaves oblong, 8–11
× 1.5–1.8(or more) cm, leathery, base with clasping sheath,
apex slightly obtuse and hooked on one side; leaf sheath papery
when dry, sheath mouth open cupular. Inflorescence on old leafless
stems, 1- or 2-flowered; peduncle 3–5 mm; basal sheaths 2
or 3, pale white when dry, broadly ovate, 3–5 mm, papery, obtuse;
floral bracts broadly ovate, 7–10 mm, papery, apex obtuse.
Pedicel and ovary pale purple, ca. 2 cm. Flowers fragrant,
spreading, papery; sepals and petals white with pale purple tips,
lip with many purplish red stripes on each side, disk with a pale
yellow transverse semilunar central blotch, column white, front
side with purple stripes, anther cap white. Dorsal sepal ovatelanceolate,
23–25 × 7–8(or more) mm, 7-veined, apex acute or
slightly obtuse; lateral sepals suborbicular, equal in size, 7veined,
base oblique, apex acute; mentum subglobose, small,
ca. 3 mm. Petals obliquely ovate, 23–25 × 13–14 mm, main
veins 5, secondary veins many, base contracted into a short
claw, margin entire, apex obtuse; lip nearly broadly obovate, ca.
23 × 20 mm, adaxially densely barbellate, base cuneate, margin
ciliate, apex rounded. Column ca. 4 mm; anther cap subconic,
densely finely papillate, front margin irregularly dentate. Capsule
ovoid, ca. 3 × 1.3–1.6 cm.
Epiphytic on tree trunks in open forests; 800–1700 m. S Yunnan
[NE India, Laos, Myanmar, N Thailand, Vietnam].
18. Dendrobium pendulum Roxburgh, Fl. Ind., ed. 1832, 3:
484. 1832.
肿节石斛 zhong jie shi hu
Callista crassinodis (Benson ex H. G. Reichenbach)
Kuntze; C. pendula (Roxburgh) Kuntze; Dendrobium crassinode
Benson ex H. G. Reichenbach.
Stems ascending or pendulous, cylindric, usually 22–40
cm, 1–1.6 cm in diam., fleshy and thick, unbranched, moniliform
with many swollen nodes, internodes 2–2.5 cm, pale yellow
tinged with gray when dry. Leaves oblong, 9–12 × 1.7–2.7
cm, leathery, base with clasping sheath, apex acute; leaf sheath
thinly leathery, sheath mouth ± open when dry. Inflorescences
often arising from upper part of deciduous stems, 1–3-flowered;
peduncle somewhat thick and short, 2–5 mm; basal sheaths 1 or
2, tubular, ca. 6 mm; floral bracts pale white, broadly ovate, ca.
8 mm, papery, apex obtuse. Pedicel yellowish green; ovary pale
purplish red, 3–4 cm. Flowers scented, spreading, large, waxy
when dry; sepals and petals white, tipped purplish red, men-
EPIDENDROIDEAE
tum purplish red, lip white, golden yellow below middle, upper
part purplish red. Dorsal sepal oblong, ca. 30 × 10 mm, 5veined,
acute; lateral sepals similar in size and shape, 5-veined,
base slightly oblique, apex acute; mentum subconic, ca. 5 mm.
Petals broadly oblong, ca. 30 × 15 mm, 6-veined, secondary
veins many, base subcuneately narrowed, margin denticulate,
apex obtuse; lip suborbicular, ca. 25 mm, very shortly clawed,
both sides embracing column below middle, margin ciliate,
both surfaces pubescent. Column ca. 4 mm, lower part enlarged,
abaxially slightly finely papillate; anther cap subconic,
finely papillate-hairy, apex slightly narrowed and subtruncate
and eroded.
Epiphytic on tree trunks in open forests; 1000–1600 m. S Yunnan
[NE India, Laos, Myanmar, N Thailand, Vietnam].
19. Dendrobium findlayanum E. C. Parish & H. G. Reichenbach,
Trans. Linn. Soc. London 30: 149. 1874 [“findleyanum”].
棒节石斛 bang jie shi hu
Callista findlayana (E. C. Parish & H. G. Reichenbach)
Kuntze.
Stems erect or ascending, ca. 20 cm, 7–10 mm in diam.,
unbranched, with several nodes, internodes compressed clavate
or clavate, 3–3.5 cm, base often with persistent papery leaf
sheaths. Leaves alternate on upper part of stem, lanceolate, 5.5–
8 × 1.3–2 cm, leathery, base with clasping sheath, apex slightly
obtuse and unequally bilobed. Inflorescences from old stems
after leaves have fallen, 2-flowered; peduncle 6–16 cm; basal
sheaths ca. 5 mm, membranous; floral bracts ovate-triangular,
ca. 6 mm, membranous. Pedicel and ovary pale rose, 5–6 cm.
Flowers spreading; sepals and petals white with roseate tip, lip
base roseate, with purplish red stripes on both sides, disk golden
yellow at center, column with purplish red stripes at front, anther
cap white. Dorsal sepal oblong-lanceolate, 35–37 × ca. 9
mm, 5-veined, subobtuse to acute; lateral sepals ovate-lanceolate,
35–37 × ca. 9 mm, 5-veined, apex subacute; mentum
subcylindric, ca. 5 mm. Petals broadly oblong, 35–37 × ca. 18
mm, 5-veined, base shortly clawed, apex acute; lip suborbicular,
concave, ca. 24 mm wide, densely pubescent, acute. Column
ca. 8 mm; anther cap bluntly rounded.
Epiphytic on tree trunks in open forests; 800–900 m. S Yunnan
(Mengla) [N Laos, Myanmar, N Thailand].
This species was named after its collector, Mr. James Findlay (E.
C. Parish in F. Mason, Burmah, ed. [4], 2: 159. 1883). The spelling used
in the protologue must therefore be treated as an orthographical error.
20. Dendrobium parishii H. G. Reichenbach, Bot. Zeitung
(Berlin) 21: 236. 1863.
紫瓣石斛 zi ban shi hu
Callista parishii (H. G. Reichenbach) Kuntze; Dendrobium
polyphlebium H. G. Reichenbach.
Stems ascending or pendulous, cylindric, usually 10–30
cm or longer, stout, 1–1.3 cm in diam., upper part ± curved,
unbranched, with several nodes, internodes to 4 cm. Leaves
narrowly oblong, 7.5–12.5 × 1.6–1.9 cm, leathery, apex obtuse
and unequally bilobed; leaf sheath white, membranous. Inflo-