FOC_25_Epidendroidea..

446
EPIDENDROIDEAE
Flowers medium-sized. Sepals and petals free; lateral sepals rather broad, base broadly adnate to column foot forming a distinct
mentum. Lip attached at base to end of column foot, 3-lobed, long clawed, with 2 small basal lobes on both sides of claw and an
appendage between them; lateral lobes erect; mid-lobe rather thick. Column short, narrowly winged, with a long foot at base; stigma
concave, large; rostellum rather long, narrow; anther cap subglobose; pollinia 4, separate from each other, waxy, subglobose, with a
common long, linear stipe; viscidium ovate.
Two species: from NE India to China, south to Indochina, Thailand, Malaysia, and Indonesia; one species in China.
1. Doritis pulcherrima Lindley, Gen. Sp. Orchid. Pl. 178.
1833.
五唇兰 wu chun lan
Phalaenopsis buyssoniana H. G. Reichenbach; P. esmeralda
H. G. Reichenbach; P. pulcherrima (Lindley) J. J. Smith.
Leaves 3–6, nearly basal; leaf blade oblong, 5–7.5 × 1.5–2
cm, base with equitant sheaths, apex obtuse or acute. Inflorescence
erect; peduncle to 38 cm, 2.5–3 mm in diam., with 3 or 4
sheaths 3–5 mm; rachis 10–13 cm, laxly several flowered;
floral bracts ovate, ca. 3 mm. Flowers often fragrant, opening
widely, usually with pink sepals and petals and purple lip;
pedicel and ovary 1.3–2 cm. Dorsal sepal oblong, ca. 8 × 5 mm,
obtuse; lateral sepals slightly oblique, ovate-triangular, ca. 8 × 7
mm; mentum ± conic. Petals subobovate, slightly smaller than
dorsal sepal; lip attached at a right angle to end of column foot,
3-lobed, recurved; claw ca. 4 mm, with a square callus adaxially;
basal lobes erect on both sides of claw, rectangular, ca. 4
mm; lateral lobes erect, somewhat suborbicular or broadly elliptic,
ca. 6 × 6 mm; mid-lobe ligulate, ca. 5 × 2 mm, adaxially
with 3 or 4 fleshy lamellae, apex acute. Column ca. 7 mm, foot
ca. 6 mm. Fl. Jul–Aug. 2n = 38.
Rocky places or soil-covered rocks in dense forests or thickets.
Hainan [Cambodia, NE India, Indonesia, Laos, Malaysia, Myanmar,
Thailand, Vietnam].
149. NOTHODORITIS Z. H. Tsi, Acta Phytotax. Sin. 27: 58. 1989.
象鼻兰属 xiang bi lan shu
Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood
Herbs, epiphytic, monopodial. Roots many, slightly flattened. Stems very short, enclosed in basal leaf sheaths. Leaves several,
basal, purple spotted abaxially, articulate and sheathing at base. Inflorescence lateral, arising from base of stem, ascending or
pendulous, racemose, many small flowered; floral bracts narrowly lanceolate, small. Flowers thinly textured. Sepals and petals free;
dorsal sepal concave, slightly embracing column; lateral sepals oblique, clawed at base. Petals obovate, slightly smaller than sepals,
clawed at base; lip 3-lobed; lateral lobes narrow, sulcuslike except for separate upper parts; mid-lobe perpendicular to lateral lobes,
narrowly cymbiform, saccate at base; sac nearly subglobose, small, with an erect appendage at its mouth. Column subterete, short,
with a subulate appendage near front at base, foot short; stigma near base of column; rostellum elongate, narrow; pollinia 4, separate,
waxy, subglobose, subequal in size, attached by a long stipe to a suborbicular small viscidium.
● One species: China.
1. Nothodoritis zhejiangensis Z. H. Tsi, Acta Phytotax. Sin.
27: 59. 1989.
象鼻兰 xiang bi lan
Doritis zhejiangensis (Z. H. Tsi) T. Yukawa & K. Kita.
Plants pendulous. Stems ca. 3 mm. Roots borne from base
of stem, many, slightly compressed, 1.2–1.5 mm in diam.
Leaves 1–3; leaf blade abaxially or margin often with dense
fine dark purple spots, obovate or obovate-oblong, 2–6.8 × 1.2–
2.1 cm, thinly textured, obtuse or slightly hooked. Peduncle
pale green, 3–5 cm, ca. 1 mm in diam.; rachis 5–8 cm, 8–19flowered;
floral bracts yellowish green, narrowly lanceolate, 2–
3 mm. Flowers white, with purple transverse bands on sepals
and petals, and purple markings on lip, column yellow, rostel-
lum whitish above, purplish below; pedicel and ovary ca. 1 cm,
slender. Dorsal sepal ovate-elliptic, ca. 6 × 3 mm, concave, base
slightly contracted, apex obtuse; lateral sepals oblique, broadly
obovate, ca. 6 × 6 mm, base shortly clawed, apex obliquely
truncate. Petals oblanceolate, ca. 5 × 2.5 mm, clawed at base,
apex obtuse; lip 3-lobed; lateral lobes comprised of erect upper
parts ca. 1.5 mm and a sulcus ca. 7 mm; mid-lobe ca. 8 × 1.2
mm, saccate at base, apex slightly recurved; sac ± subglobose,
ca. 2 mm; appendage erect, ca. 2.5 × 1.2 mm. Column ca. 5 ×
1.2 mm, near base with an appendage ca. 1.2 mm; rostellum
spreading, ca. 5.5 mm, narrow, apex hooked and slightly bilobed;
stipe ca. 5.5 × 0.5 mm; viscidium ca. 0.7 mm wide, subrounded.
Capsule ellipsoid, ca. 8 × 4 mm. Fl. Jun, fr. Jul–Aug.
● Epiphytic on tree branches in forests or at forest margins; 300–
900 m. E and N Zhejiang.
150. VANDOPSIS Pfitzer in Engler & Prantl, Nat. Pflanzenfam. 2(6): 210. 1889.
拟万代兰属 ni wan dai lan shu
Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood
Fieldia Gaudichaud, Voy. Uranie, Bot. 424. 1829, not A. Cunningham (1825).