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FOC | Family List | FOC Vol. 25 | Orchidaceae | Oberonia

6. Oberonia jenkinsiana Griffith ex Lindley, Fol. Orchid. 8(Oberonia): 4. 1859.

条裂鸢尾兰 tiao lie yuan wei lan

Iridorkis jenkinsiana (Griffith ex Lindley) Kuntze; Malaxis jenkinsiana (Griffith ex Lindley) H. G. Reichenbach.

Stem often 1-2 cm. Leaves 4-6, distichous, laterally compressed, linear-lanceolate, slightly falcate, 3-15 × 0.4-0.7 cm, thick, veins obscure, base attenuate, not articulate, apex acuminate or obtuse. Peduncle subterete, 5-13 cm, ± connate in lower part to uppermost leaf, nearly wingless, lower part with many sterile bracts; sterile bracts subulate or narrowly lanceolate, 2-3 mm, aristate; rachis 3-11 cm, densely more than 100-flowered; floral bracts narrowly lanceolate to lanceolate, 1-2 mm. Flowers yellow; pedicel and ovary ca. 1 mm. Dorsal sepal ovate-elliptic, ca. 0.8 × 0.4-0.5 mm, apex obtuse; lateral sepals broadly ovate, ± cymbiform, ca. 0.8 × 0.5-0.6 mm, apex subacute. Petals subovate, ca. 0.6 × 0.3 mm, nearly entire or apical margin inconspicuously erose; lip ca. 0.7 mm, 3-lobed; lateral lobes subquadrate or suborbicular, ca. 0.3 mm, margin irregularly fimbriate, laciniate, or rarely erose; mid-lobe subquadrate, ca. 0.3 mm wide, subtruncate or ± erose. Column ca. 0.3 mm, stout. Capsule subellipsoid, 1.5-2 × ca. 1 mm; fruiting pedicel ca. 0.5 mm. Fl. and fr. Sep-Oct. 2n = 30.

Epiphytic on trees in forests; 1100-2700 m. W to SE Yunnan [NE India, Myanmar, Thailand, Vietnam].


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