Friday, October 30, 2015

Aphyllorchis alpina


Plants 75-100 cm tall. Rhizome elongate, covered in scales. Stem erect, with many membranous sheaths 1-4 cm. Inflorescence with 10-20 widely spaced flowers; rachis 19-22 cm; floral bracts reflexed, linear to linear-lanceolate, 25-30 × 3-4 mm, conspicuously longer than pedicel and ovary. Flowers spreading ± horizontally, yellowish green; pedicel and ovary puberulent, 2-3 cm, stout. Sepals ovate-lanceolate, slightly cymbiform, 18-23 × 6-7 mm, apex acuminate-caudate. Petals 14-17 × 5-7 mm; lip 14-17 mm, contracted at or above middle into epichile and hypochile; hypochile winged, basal margins forming a small sac; epichile ovate, margin often involute, apex acute. Column slightly arcuate, 1-1.3 cm. Capsule elliptic, ca. 3 × 1 cm. Fl. Jul, fr. Sep.
Forests, riverbanks; 2100-2600 m. SE Xizang [India, Nepal].
Aphyllorchis alpina
Systematics
DomainEukaryotes
Eukaryotic
KingdomPlants
Plantae
DivisionVascular plants
Tracheophyta
ClassMonocot flowering plants
Liliopsida
OrderAsparagales
Asparagales
FamilyOrchids
Orchidaceae
GenusAphyllorchis
SpeciesAphyllorchis alpina
Scientific name
§aphyllorchis alpina

CITIES category : Appendix II

References 
1. Ref 1

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