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504<br />
EPIDENDROIDEAE<br />
About 47 species: Java, Borneo, Sulawesi and the Philippines, eastward through New Guinea to the Solomon Islands, Vanuatu, New Caledonia,<br />
Fiji, and other Pacific islands, with the center of distribution in New Guinea; one species in China.<br />
1. Microtatorchis compacta (Ames) Schlechter, Repert. Spec.<br />
Nov. Regni Veg. 10: 209. 1911.<br />
拟蜘蛛兰 ni zhi zhu lan<br />
Taeniophyllum compactum Ames, Orchidaceae 2: 247.<br />
1908; Microtatorchis taiwaniana S. S. Ying.<br />
Roots 1–3 cm, 0.5–1 mm in diam., radiately appressed to<br />
surface of branches. Stem abbreviated, with 2–4 small leaves.<br />
Leaf blade narrowly oblong, oblanceolate, or linear, 5–15 × 1–3<br />
mm, subleathery, acute to acuminate. Inflorescences often 2 or<br />
3, erect or ascending, few flowered; peduncle 1.5–2.5 cm,<br />
winged, with many sterile bracts; sterile and floral bracts ovate,<br />
slightly conduplicate, 2–3 mm. Flowers green; pedicel and<br />
ovary yellowish green, 1–1.8 mm. Sepals and petals 1.4–2 mm,<br />
connate at base forming a tube, free apical lobes 1–1.5 mm, triangular-lanceolate,<br />
those derived from sepals dorsally carinate<br />
and from petals clawed at base; lip including basal spur to 3<br />
mm, broadly ovate, obscurely 3-lobed, basal margin incurved,<br />
apex with a reversely hooked linear appendage; spur saccateglobose,<br />
ca. 1 mm in diam. Fl. Jan–Feb.<br />
Epiphytic on trees in coniferous or broad-leaved forests; 1000–<br />
1600 m. C Taiwan [Philippines].<br />
190. GROSOURDYA H. G. Reichenbach, Bot. Zeitung (Berlin) 22: 297. 1864.<br />
火炬兰属 huo ju lan shu<br />
Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood<br />
Herbs, epiphytic, small, monopodial. Stems very short, enclosed in basal leaf sheaths. Leaves few to several, basal, distichous,<br />
flat, narrowly oblong to lanceolate, jointed and shortly sheathing at base, apex often unequally bilobed. Inflorescences lateral, usually<br />
shorter than leaves, often many borne simultaneously on a plant; peduncle longer than rachis, slender, both usually prickly-hairy,<br />
with 1 or 2 flowers open at a time; rachis usually thickened, rather short; floral bracts persistent. Flowers ephemeral, opening widely,<br />
to 1.5 cm in diam. Sepals and petals free, similar, spreading. Petals narrower than sepals; lip movably attached to end of column foot,<br />
spurred, ± 3-lobed; lateral lobes erect, narrow; mid-lobe often replicate on spur, sometimes with 2 basal lobules on both sides, with a<br />
small median tooth, giving a “4-lobed” appearance; spur broad, usually spreading forward, rarely pendulous. Column elongate,<br />
slender, bent forward at an obtuse angle at stigma base, with a rather long foot; rostellum elongate; pollinia 2, waxy, subglobose,<br />
entire, each with a caudicle attached by a common cuneate or triangular-cuneate stipe to a small triangular viscidium.<br />
About ten species: India (Andaman Islands), Myanmar, Thailand, and Indochina to Malaysia, Indonesia, and the Philippines; one species in<br />
China.<br />
1. Grosourdya appendiculata (Blume) H. G. Reichenbach,<br />
Xenia Orchid. 2: 123. 1868.<br />
火炬兰 huo ju lan<br />
Dendrocolla appendiculata Blume, Bijdr. 289. 18<strong>25</strong>; Sarcochilus<br />
hirtulus J. D. Hooker.<br />
Stem inconspicuous. Leaves usually 3–6, basal; leaf blade<br />
falcate-oblong, 7–10 × 1.4–1.9 cm, somewhat fleshy, base<br />
attenuate, apex acute and unequally bilobed. Peduncle and<br />
rachis densely minutely black hispid; peduncles 2–5, 3–4 cm;<br />
rachis laxly 2- or 3-flowered; floral bracts ovate-triangular, very<br />
small, fleshy, abaxially hairy. Flowers small, yellow with brown<br />
spots; pedicel and ovary ca. 4 mm. Sepals ovate-oblong, ca. 3 ×<br />
2 mm, acute; lateral sepals: basal 2/3 of width adnate to column<br />
foot. Petals oblong, ca. 3 × 1 mm, obtuse; lip spurred, 3-lobed;<br />
lateral lobes erect, narrowly oblong, ca. 3 mm, rounded and<br />
curved backward; mid-lobe with a very small apical lobule and<br />
2 erect basal lobules; basal lobules parallel to lateral lobes, but<br />
shorter and broader; spur ca. 3 mm, almost continuing line of<br />
column foot. Column ca. 2 mm, winged, foot ca. 0.5 mm. Fl.<br />
Aug.<br />
Epiphytic on tree trunks in evergreen broad-leaved forests. C and<br />
W Hainan [India (Andaman Islands), Indonesia, Malaysia, Myanmar,<br />
Philippines, Thailand, Vietnam].<br />
191. TUBEROLABIUM Yamamoto, Bot. Mag. (Tokyo) 38: 209. 1924.<br />
管唇兰属 guan chun lan shu<br />
Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood<br />
Herbs, epiphytic, small, monopodial. Stems short, enclosed in leaf sheaths. Leaves few, linear-falcate or strap-shaped, flat,<br />
jointed and sheathing at base. Inflorescence lateral, often pendulous, racemose, rather long, few to many flowered, a few flowers<br />
open at once or all open together; peduncle short; rachis terete, sometimes clavate, fleshy, sulcate; floral bracts small. Flowers rather<br />
short-lived or lasting for ca. 1 week, to 9 mm in diam., white, yellowish, or greenish with various purple, brownish purple, or red<br />
markings, slightly fleshy. Sepals and petals free, spreading; lateral sepals usually larger than dorsal sepal, base adnate to back wall of<br />
spur. Petals smaller than sepals; lip base firmly connate to base of column, immovable, very fleshy, spurred, 3-lobed; lateral lobes on<br />
either side of spur entrance, very small, toothlike; mid-lobe laterally compressed, very fleshy, with incurved margin; spur often ± laterally<br />
compressed, broadly conic, thickly walled, unornamented inside, sometimes with protuberances at its entrance. Column short,