狭叶鸢尾兰Oberonia caulescens Lindl.
狭叶鸢尾兰Oberonia caulescens Lindl.
13.狭叶鸢尾兰（中国高等植物图鉴）二裂唇莪白兰（台湾莪白兰）图版23:5-6
Oberonia caulescens Lindl. (ex Wall. Cat. no. 1950. 1829, nom. nud.) , Gen. Sp. Orch. Pl. 15. 1830; Hook. f ., Fl. Brit. Ind. 5: 682. 1888, et 6: 181.1890; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 4. Pl. 3. 1898; Seidenf. in Dansk Bot. Ark. 25 (3): 3b. fig. 18. 1968, et in Opera Bot. 114: 152. 1992; 中国高等植物图鉴5: 556.图8165. 1976; 台湾兰科植物彩色图鉴1: 225, 484.图93. 1977, et 2: 608. 1990; 台湾植物志5: 1070.图1627. 1978; 台湾兰科植物3: 181-182 (图). 1987; 西藏植物志5: 672. 1987; 横断山区维管植物2: 2564. 1994; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 294. 1995. ——Malaxis caulescens (Lindl.) Rchb. f. in Walp. Ann. 6: 216. 1861. ——Oberonia longilabris King et Pantl. in J. As. Soc. Beng. n. s., 64: 330. 1895. ——Oberonia yunnanensis Rolfe in J. Linn. Soc. Bot. 36: 6. 1903. ——Oberonia bilobatolabella Hayata, Icon. Pl. Formos. 4: 24. fig. 4. 1914. ——Oberonia pterorachis C. L. Tso in Sunyatsenia 1: 135. 1933.
茎明显，长1-4.5厘米。叶5-6枚，二列互生于茎上，两侧压扁，肥厚，线形，常多少镰曲，长1.5-5厘米，宽2-3（-4）毫米，先端渐尖或急尖，边缘在干后常呈皱波状，下部内侧具干膜质边缘，脉略可见，基部有关节。花葶生于茎顶端，长(3-）5-11厘米，近圆柱形，无翅，在花序下方有数枚不育苞片；不育苞片披针形，长2-2.5毫米；总状花序长（2.5-)4-10厘米，直径5-6毫米，具数十朵或更多的花；花序轴较纤细；花苞片披针形，长1.5-2（-3)毫米，先端渐尖或钝，边缘有不规则的缺刻或近全缘；花梗和子房长约2、毫米；花淡黄色或淡绿色，较小；中萼片卵状椭圆形，长0.8-1毫米，宽约0.6毫米，先端钝；侧萼片近卵形，稍凹陷，大小与中萼片相近；花瓣近长圆形，长0.8-1毫米，宽约0.3毫米，先端近浑圆或多少截形；唇瓣轮廓为倒卵状长圆形或倒卵形，长1.6-2毫米，中部宽约1.3毫米，基部两侧各有1个钝耳或有时耳不甚明显，先端2深裂；先端小裂片狭卵形、卵形至近披针形，叉开或伸直，长0.7-0.9毫米，先端短渐尖或急尖；蕊柱粗短，直立。蒴果倒卵状椭圆形，长2-2.3毫米，宽约1.3毫米；果梗长约1毫米。花果期7-10月。
产台湾南部至北部、广东（信宜）、四川西部（天全）、云南西南部至东南部（凤庆、蒙自、砚山、西畴、屏边）和西藏东南部（波密、察隅）。生于林中树上或岩石上，海拔700-1800米，但在西藏可上升至3700米。尼泊尔、锡金、印度、越南也有分布。模式标本采自尼泊尔。
《Flora of China》 Vol. 25 (2009)
Oberonia caulescens Lindley Gen. Sp. Orchid. Pl. 15. 1830.
狭叶鸢尾兰 xia ye yuan wei lan
Iridorkis caulescens (Lindley) Kuntze; Malaxis caulescens (Lindley) H. G. Reichenbach; Oberonia auriculata King & Pantling; O. bilobatolabella Hayata; O. longilabris King & Pantling; O. pterorachis C. L. Tso; O. yunnanensis Rolfe.
Stem 1-4.5 cm. Leaves 5 or 6, distichous, laterally compressed, linear, often ± falcate, 1.5-5 × 0.2-0.4 cm, thick, veins obscure, base articulate, margin often crisped when dried, apex acuminate or acute. Peduncle subterete, (3-)5-11 cm, wingless; sterile bracts several, lanceolate, 2-2.5 mm; rachis (2.5-)4-10 cm, 5-6 mm in diam., many flowered; floral bracts lanceolate, 1.5-2(-3) mm, margin irregularly incised or nearly entire, apex acuminate or obtuse. Flowers pale yellow or pale green; pedicel and ovary ca. 2 mm. Dorsal sepal ovate-elliptic, 0.8-1 × ca. 0.6 mm, apex obtuse; lateral sepals subovate, slightly concave, similar to dorsal sepal in size. Petals suboblong, 0.8-1 × ca. 0.3 mm, apex subrounded or ± truncate; lip obovate-oblong or obovate in outline, 1.6-2 × ca. 1.3 mm, deeply bilobed, base with obtuse or inconspicuous auricles; lobules narrowly ovate, ovate, or sublanceolate, 0.7-0.9 mm, apex shortly acuminate or acute. Column short, stout. Capsule obovoid-ellipsoid, 2-2.3 × ca. 1.3 mm; fruiting pedicel ca. 1 mm. Fl. and fr. Jul-Oct. 2n = 26, 30.
Epiphytic on trees or lithophytic on rocks in forests; 700-2600(-3700) m. Guangdong, W Hubei, S Hunan, W Sichuan, Taiwan, SE Xizang, W to SE Yunnan [Bhutan, India, Nepal, Vietnam].
别名：滇南鸢尾兰;二裂唇莪白兰;石龙;鹅白兰;狭叶长鸢尾兰;鸢尾兰;
科名：兰科 Orchidaceae
属名：鸢尾兰属 Oberonia
13.狭叶鸢尾兰（中国高等植物图鉴）二裂唇莪白兰（台湾莪白兰）图版23:5-6
Oberonia caulescens Lindl. (ex Wall. Cat. no. 1950. 1829, nom. nud.) , Gen. Sp. Orch. Pl. 15. 1830; Hook. f ., Fl. Brit. Ind. 5: 682. 1888, et 6: 181.1890; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 4. Pl. 3. 1898; Seidenf. in Dansk Bot. Ark. 25 (3): 3b. fig. 18. 1968, et in Opera Bot. 114: 152. 1992; 中国高等植物图鉴5: 556.图8165. 1976; 台湾兰科植物彩色图鉴1: 225, 484.图93. 1977, et 2: 608. 1990; 台湾植物志5: 1070.图1627. 1978; 台湾兰科植物3: 181-182 (图). 1987; 西藏植物志5: 672. 1987; 横断山区维管植物2: 2564. 1994; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 294. 1995. ——Malaxis caulescens (Lindl.) Rchb. f. in Walp. Ann. 6: 216. 1861. ——Oberonia longilabris King et Pantl. in J. As. Soc. Beng. n. s., 64: 330. 1895. ——Oberonia yunnanensis Rolfe in J. Linn. Soc. Bot. 36: 6. 1903. ——Oberonia bilobatolabella Hayata, Icon. Pl. Formos. 4: 24. fig. 4. 1914. ——Oberonia pterorachis C. L. Tso in Sunyatsenia 1: 135. 1933.
茎明显，长1-4.5厘米。叶5-6枚，二列互生于茎上，两侧压扁，肥厚，线形，常多少镰曲，长1.5-5厘米，宽2-3（-4）毫米，先端渐尖或急尖，边缘在干后常呈皱波状，下部内侧具干膜质边缘，脉略可见，基部有关节。花葶生于茎顶端，长(3-）5-11厘米，近圆柱形，无翅，在花序下方有数枚不育苞片；不育苞片披针形，长2-2.5毫米；总状花序长（2.5-)4-10厘米，直径5-6毫米，具数十朵或更多的花；花序轴较纤细；花苞片披针形，长1.5-2（-3)毫米，先端渐尖或钝，边缘有不规则的缺刻或近全缘；花梗和子房长约2、毫米；花淡黄色或淡绿色，较小；中萼片卵状椭圆形，长0.8-1毫米，宽约0.6毫米，先端钝；侧萼片近卵形，稍凹陷，大小与中萼片相近；花瓣近长圆形，长0.8-1毫米，宽约0.3毫米，先端近浑圆或多少截形；唇瓣轮廓为倒卵状长圆形或倒卵形，长1.6-2毫米，中部宽约1.3毫米，基部两侧各有1个钝耳或有时耳不甚明显，先端2深裂；先端小裂片狭卵形、卵形至近披针形，叉开或伸直，长0.7-0.9毫米，先端短渐尖或急尖；蕊柱粗短，直立。蒴果倒卵状椭圆形，长2-2.3毫米，宽约1.3毫米；果梗长约1毫米。花果期7-10月。
产台湾南部至北部、广东（信宜）、四川西部（天全）、云南西南部至东南部（凤庆、蒙自、砚山、西畴、屏边）和西藏东南部（波密、察隅）。生于林中树上或岩石上，海拔700-1800米，但在西藏可上升至3700米。尼泊尔、锡金、印度、越南也有分布。模式标本采自尼泊尔。
《Flora of China》 Vol. 25 (2009)
Oberonia caulescens Lindley Gen. Sp. Orchid. Pl. 15. 1830.
狭叶鸢尾兰 xia ye yuan wei lan
Iridorkis caulescens (Lindley) Kuntze; Malaxis caulescens (Lindley) H. G. Reichenbach; Oberonia auriculata King & Pantling; O. bilobatolabella Hayata; O. longilabris King & Pantling; O. pterorachis C. L. Tso; O. yunnanensis Rolfe.
Stem 1-4.5 cm. Leaves 5 or 6, distichous, laterally compressed, linear, often ± falcate, 1.5-5 × 0.2-0.4 cm, thick, veins obscure, base articulate, margin often crisped when dried, apex acuminate or acute. Peduncle subterete, (3-)5-11 cm, wingless; sterile bracts several, lanceolate, 2-2.5 mm; rachis (2.5-)4-10 cm, 5-6 mm in diam., many flowered; floral bracts lanceolate, 1.5-2(-3) mm, margin irregularly incised or nearly entire, apex acuminate or obtuse. Flowers pale yellow or pale green; pedicel and ovary ca. 2 mm. Dorsal sepal ovate-elliptic, 0.8-1 × ca. 0.6 mm, apex obtuse; lateral sepals subovate, slightly concave, similar to dorsal sepal in size. Petals suboblong, 0.8-1 × ca. 0.3 mm, apex subrounded or ± truncate; lip obovate-oblong or obovate in outline, 1.6-2 × ca. 1.3 mm, deeply bilobed, base with obtuse or inconspicuous auricles; lobules narrowly ovate, ovate, or sublanceolate, 0.7-0.9 mm, apex shortly acuminate or acute. Column short, stout. Capsule obovoid-ellipsoid, 2-2.3 × ca. 1.3 mm; fruiting pedicel ca. 1 mm. Fl. and fr. Jul-Oct. 2n = 26, 30.
Epiphytic on trees or lithophytic on rocks in forests; 700-2600(-3700) m. Guangdong, W Hubei, S Hunan, W Sichuan, Taiwan, SE Xizang, W to SE Yunnan [Bhutan, India, Nepal, Vietnam].