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

4. Cephalanthera nanlingensis A. Q. Hu & F. W. Xing, Novon. 19: 56. 2009.

南岭头蕊兰 nan ling tou rui lan

Plants leafy, autotrophic, 13-24 cm tall. Stem slender, somewhat flexuous, with a few basal sheaths, 3-6-leaved. Leaves elliptic to lanceolate, 3-5 × 0.8-1.2 cm, apex acuminate. Inflorescence ± laxly 3-5-flowered; rachis 3.2-5 cm, ridged; floral bracts triangular, 2-3 mm. Flowers suberect, weakly spreading or not opening at all, white; pedicel and ovary 8-11 mm. Sepals suboblong, cymbiform, 7-8 × 2-2.5 mm, 3- or 5-veined, apex obtuse. Petals obovate, 5-6.5 × 1.7-2 mm, 4- or 5-veined, apex obtuse; lip similar to petals, without a spur. Column ca. 5 mm, without wings; anther ovoid, ca. 1.5 mm; rostellum absent. Fl. Apr-May.

● Edge of evergreen broad-leaved forests; 700-1500 m. N Guangdong.

The actinomorphic perianth of Cephalanthera nanlingensis indicates that it is a peloric form. On account of habit, flower color, and leaf shape and size, and given its occurrence in Guangdong, it seems probable that it is derived from C. erecta.


Related Objects  
  • Paper: Cephalanthera nanlingensis (Orchidaceae), a new species from Guangdong, China
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