Pachystoma pubescens

Pachystoma pubescens Blume, Bijdr. 376, t. 3, f. 29 1825. (Syn: Apaturia chinensis Lindl.; Apaturia lindleyana Wight; Apaturia montana Lindl.; Apaturia senilis Lindl.; Apaturia smithiana Lindl.; Epipactis scariosa Buch.-Ham. ex Wall. [Invalid]; Eulophia hirsuta J.Joseph & Vajr.; Eulophia holtzei F.Muell.; Graphorchis holtzei (F. Muell.) Kuntze; Graphorkis holtzei (F.Muell.) Kuntze; Neottia pantanis Korth. ex BlumePachychilus chinensis (Lindl.) Blume; Pachychilus montanus (Lindl.) Blume; Pachychilus pantanus Blume; Pachychilus pubescens (Blume) Blume; Pachychilus senilis (Lindl.) Blume; Pachychilus smithianus (Lindl.) Blume; Pachychilus speciosus Blume; Pachystoma affine Schltr.; Pachystoma brevilabium Schltr.; Pachystoma chinense (Lindl.) Rchb.f.; Pachystoma chinense var. formosanum (Schltr.) S.S.Ying; Pachystoma chinensis (Lindl.) Rchb. f.; Pachystoma edgworthii Rchb.f.; Pachystoma formosanum Schltr.; Pachystoma fortunei Rchb.f.; Pachystoma gracile Schltr.; Pachystoma hirsuta (J.Joseph & Vajr.) C.S.Kumar & Manilal; Pachystoma holtzei (F.Muell.) F.Muell.; Pachystoma josephi Rchb.f.; Pachystoma lindleyanum (Wight) Rchb.f.; Pachystoma montanum (Lindl.) Rchb.f.; Pachystoma pantanum (Blume) Miq.; Pachystoma papuanum Schltr.; Pachystoma parvifolium Rchb.f.; Pachystoma pubescens var. gracile (Schltr.) N.Hallé; Pachystoma senile (Lindl.) Rchb.f.; Pachystoma smithianum (Lindl.) Rchb.f.; Pachystoma speciosum (Blume) Rchb.f.; Pachystoma wightii Rchb.f.);

Trop. & Subtrop. Asia to SW. Pacific as per WCSP;


Terrestrial herbs, with 'V'-shaped tuber, leafless when flowering. Leaves 1 or 2, linear, to 20 x 1.5 cm; scape above ground portion 25-40 cm long. Flowers 3-8, towards the apex of scape, pink-purple; bracts 1.5-2.5 x 4 mm, ovate, long-acuminate; sepals pubescent outside, subsimilar; dorsal sepal 12.1 x 4.1 mm, elliptic-oblong, acute, 5-veined; lateral sepals 12.1 x 4 mm, oblong-lanceolate, acute, 5-veined; petals 13 x 1-2.5 mm, oblanceolate-oblong, obliquely acute, 3-5-veined; lip 11 x 4-8 mm, 3-lobed; side lobes obliquely ovate, obtuse; midlobe 4.5 x 4 mm, oblong, obtuse; disc ridged, base saccate.
Flowering and fruiting: January-March
Grasslands
Indo-Malesia
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal)



Images by tspkumar
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TSP-DEC2016-01-456:Images of Aphyllorchis montana (Orchidaceae) : 9 posts by 5 authors. Attachments (7)

Presenting few images of Aphyllorchis montana syn A.prainii  (Orchidaceae) 

I think the images match the description of Aphyllorchis prainii contained  in the Digital Flora of Karnataka that further gives a reference to Aphyllorchis montana as per the Plant List.

Ref-1: http://florakarnataka.ces.iisc.ac.in/hjcb2/herbsheet.php?id=2989&cat=1

Ref-2: http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=8527A830243F3966BFE529E92341FE16?doi=10.1.1.681.5090&rep=rep1&type=pdf 

Habit:Grassy herb with erect unbranched leafless stem. 

Habitat:Terrestrial,evergreen forest floor among leaf litter 

Sighting:Kempuhole forest,Shirady Ghat,near Sakaleshpur,Karnataka about 900 msl 

Date:01-12-2016


What a Beauty!! Thanks for sharing 
Very interesting and greetings from Savannakhet, Laos. Interesting that your plant is flowering now as it flowers in April.
This is Pachystoma pubescens


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