Pachystoma pubescens Blume

in Bijdr. 376 (1825).

Synonymes

Apaturia chinensis Lindl. in Gen. Sp. Orch. 131 (1831).

Apaturia lindleyana Wight in Ic. 5: 8 (1852).

Apaturia montana Lindl. in Gen. Sp. Orch. 131 (1831).

Apaturia senilis Lindl. in Gen. Sp. Orch. Pl.: 130 (1831).

Apaturia smithiana Lindl. in Gen. Sp. Orch. 131 (1831).

Epipactis scariosa Buchanan-Hamilton ex Wall. in Numer. List: n.º 3729 (1831).

Eulophia holtzei F.Muell. in Numer. List: n.º 3729 (1831).

Graphorkis holtzei (F.Muell.) Kuntze in Rev. Gen. 662 (1891).

Neottia pantanis Korthals in Blume,, Mus. Bot. Lugd. Bat. 2. 173 (1856).

Pachychilus montanus (Lindl.) Blume in Mus. Bot. Lugd. Bat. 2. 173 (1856).

Pachychilus pantanus Blume in Mus. Bot. Lugd. Bat. 2: 173 (1856).

Pachychilus pubescens (Blume) Blume in Mus. Bot. Lugd. Bat. 2: 173 (1856).

Pachychilus senilis (Lindl.) Blume in Mus. Bot. Lugd. Bat. 2. 178 (1856).

Pachychilus smithianus Blume in Mus. Bot. 2: 178 (1856).

Pachychilus speciosum Blume in Coll. Orchid.: 29 (1858).

Pachystoma affine Schltr. in Fedde, Repert. Beih. I. 413 (1912).

Pachystoma brevilabium Schltr. in Fedde, Repert. 17. 69 (1921).

Pachystoma chinensis (Lindl.) Rchb.f. in Bonpl. 3: 251 (1855).

Pachystoma chinensis Hayata in J. Coll. Sci. Imp. Univ. Tokyo. 30. 321 (1911).

Pachystoma edgeworthii Rchb.f. in Walp. Ann. 6: 462 (1862).

Pachystoma formosanum Schltr. in Fedde. Repert. Beih. 4: 245 (1919).

Pachystoma fortunei Rchb.f. in W.G.Walpers, Ann. Bot. Syst. 3: 464 (1852).

Pachystoma gracile Schltr. in Bot. Jahrb. 39: 66 (1906).

Pachystoma holtzei (F.Muell.) F.Muell. in Vict. Natural. 8. 180 (1892).

Pachystoma josephi Rchb.f. in W.G.Walpers, Ann. Bot. Syst. 3: 464 (1852).

Pachystoma lindleyanum (Wight) Rchb.f. in Bonpl. 3: 251 (1855).

Pachystoma montanum (Lindl.) Rchb.f. in Bonpl. 3: 251 (1855).

Pachystoma pantanum (Blume) Miquel in Fl. Bat. 3: 675 (1859).

Pachystoma papuanum Schltr. in Fedde, Repert. Beih. I. 412 (1912).

Pachystoma senile (Lindl.) Rchb.f. in Bonplandia 3: 251 (1855).

Pachystoma smithianum (Lindl.) Rchb.f. in Bonpl. 3: 251 (1855).

Pachychilus chinensis Blume in Mus. Bot. 2: 173 (1856).

Répartition

Andaman et Nicobar, Australie, Bhoutan, Birmanie, Borneo, Chine, Cambodge, Hong Kong, Inde, Java, Laos, Malaisie, Nouvelle Calédonie, Népal, Nouvelle Guinée, Philippines, Sikkim, Sulawesi, Sumatra, Taiwan, Thaïlande, Vietnam.

Australie : Queensland.

Chine : Guangdong, Guangxi, Guizhou, Hainan, Yunnan.

Inde : Arunachal Pradesh, Assam, Bihar, Himachal Pradesh, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Punjab, Tamil Nadu, Tripura, Uttar Pradesh, West Bengal.

Philippines : Abra, Benguet, Cagayan, Cotabato, Ilocos Norte, Mindoro Occidental, Mindoro Oriental, Nueva Vizcaya, Rizal.

Sumatra : Sumatera Barat, Sumatera Utara.

Taiwan : T'ai-tung.

Floraison : __MA______ND. Altitude de 1000 à 1600 m.

Description sommaire

Plante terrestre. Taille de 30 à 60 cm. Feuilles de 1 à 2, de 0-450 × 0-10 mm, lancéolées, apex acuminé. Bractées lancéolées, linéaires. Fleurs de 4 à 20, jaunes, violettes. Sépale dorsal lancéolé, ovale, de 10-12 × 2-4 mm. Sépales latéraux triangulaires, de 9-12 × 2-4 mm. Pétales linéaires, à apex obtus, de 10-12 × 1-2 mm. Labelle trilobé, de 10-12 × 5-6 mm. Chromosomes : 2n=40.

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