FOC_25_Epidendroidea..

504
EPIDENDROIDEAE
About 47 species: Java, Borneo, Sulawesi and the Philippines, eastward through New Guinea to the Solomon Islands, Vanuatu, New Caledonia,
Fiji, and other Pacific islands, with the center of distribution in New Guinea; one species in China.
1. Microtatorchis compacta (Ames) Schlechter, Repert. Spec.
Nov. Regni Veg. 10: 209. 1911.
拟蜘蛛兰 ni zhi zhu lan
Taeniophyllum compactum Ames, Orchidaceae 2: 247.
1908; Microtatorchis taiwaniana S. S. Ying.
Roots 1–3 cm, 0.5–1 mm in diam., radiately appressed to
surface of branches. Stem abbreviated, with 2–4 small leaves.
Leaf blade narrowly oblong, oblanceolate, or linear, 5–15 × 1–3
mm, subleathery, acute to acuminate. Inflorescences often 2 or
3, erect or ascending, few flowered; peduncle 1.5–2.5 cm,
winged, with many sterile bracts; sterile and floral bracts ovate,
slightly conduplicate, 2–3 mm. Flowers green; pedicel and
ovary yellowish green, 1–1.8 mm. Sepals and petals 1.4–2 mm,
connate at base forming a tube, free apical lobes 1–1.5 mm, triangular-lanceolate,
those derived from sepals dorsally carinate
and from petals clawed at base; lip including basal spur to 3
mm, broadly ovate, obscurely 3-lobed, basal margin incurved,
apex with a reversely hooked linear appendage; spur saccateglobose,
ca. 1 mm in diam. Fl. Jan–Feb.
Epiphytic on trees in coniferous or broad-leaved forests; 1000–
1600 m. C Taiwan [Philippines].
190. GROSOURDYA H. G. Reichenbach, Bot. Zeitung (Berlin) 22: 297. 1864.
火炬兰属 huo ju lan shu
Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood
Herbs, epiphytic, small, monopodial. Stems very short, enclosed in basal leaf sheaths. Leaves few to several, basal, distichous,
flat, narrowly oblong to lanceolate, jointed and shortly sheathing at base, apex often unequally bilobed. Inflorescences lateral, usually
shorter than leaves, often many borne simultaneously on a plant; peduncle longer than rachis, slender, both usually prickly-hairy,
with 1 or 2 flowers open at a time; rachis usually thickened, rather short; floral bracts persistent. Flowers ephemeral, opening widely,
to 1.5 cm in diam. Sepals and petals free, similar, spreading. Petals narrower than sepals; lip movably attached to end of column foot,
spurred, ± 3-lobed; lateral lobes erect, narrow; mid-lobe often replicate on spur, sometimes with 2 basal lobules on both sides, with a
small median tooth, giving a “4-lobed” appearance; spur broad, usually spreading forward, rarely pendulous. Column elongate,
slender, bent forward at an obtuse angle at stigma base, with a rather long foot; rostellum elongate; pollinia 2, waxy, subglobose,
entire, each with a caudicle attached by a common cuneate or triangular-cuneate stipe to a small triangular viscidium.
About ten species: India (Andaman Islands), Myanmar, Thailand, and Indochina to Malaysia, Indonesia, and the Philippines; one species in
China.
1. Grosourdya appendiculata (Blume) H. G. Reichenbach,
Xenia Orchid. 2: 123. 1868.
火炬兰 huo ju lan
Dendrocolla appendiculata Blume, Bijdr. 289. 1825; Sarcochilus
hirtulus J. D. Hooker.
Stem inconspicuous. Leaves usually 3–6, basal; leaf blade
falcate-oblong, 7–10 × 1.4–1.9 cm, somewhat fleshy, base
attenuate, apex acute and unequally bilobed. Peduncle and
rachis densely minutely black hispid; peduncles 2–5, 3–4 cm;
rachis laxly 2- or 3-flowered; floral bracts ovate-triangular, very
small, fleshy, abaxially hairy. Flowers small, yellow with brown
spots; pedicel and ovary ca. 4 mm. Sepals ovate-oblong, ca. 3 ×
2 mm, acute; lateral sepals: basal 2/3 of width adnate to column
foot. Petals oblong, ca. 3 × 1 mm, obtuse; lip spurred, 3-lobed;
lateral lobes erect, narrowly oblong, ca. 3 mm, rounded and
curved backward; mid-lobe with a very small apical lobule and
2 erect basal lobules; basal lobules parallel to lateral lobes, but
shorter and broader; spur ca. 3 mm, almost continuing line of
column foot. Column ca. 2 mm, winged, foot ca. 0.5 mm. Fl.
Aug.
Epiphytic on tree trunks in evergreen broad-leaved forests. C and
W Hainan [India (Andaman Islands), Indonesia, Malaysia, Myanmar,
Philippines, Thailand, Vietnam].
191. TUBEROLABIUM Yamamoto, Bot. Mag. (Tokyo) 38: 209. 1924.
管唇兰属 guan chun lan shu
Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood
Herbs, epiphytic, small, monopodial. Stems short, enclosed in leaf sheaths. Leaves few, linear-falcate or strap-shaped, flat,
jointed and sheathing at base. Inflorescence lateral, often pendulous, racemose, rather long, few to many flowered, a few flowers
open at once or all open together; peduncle short; rachis terete, sometimes clavate, fleshy, sulcate; floral bracts small. Flowers rather
short-lived or lasting for ca. 1 week, to 9 mm in diam., white, yellowish, or greenish with various purple, brownish purple, or red
markings, slightly fleshy. Sepals and petals free, spreading; lateral sepals usually larger than dorsal sepal, base adnate to back wall of
spur. Petals smaller than sepals; lip base firmly connate to base of column, immovable, very fleshy, spurred, 3-lobed; lateral lobes on
either side of spur entrance, very small, toothlike; mid-lobe laterally compressed, very fleshy, with incurved margin; spur often ± laterally
compressed, broadly conic, thickly walled, unornamented inside, sometimes with protuberances at its entrance. Column short,