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Platanthera angustata

Platanthera angustata

Platanthera angustata (Blume) Lindl., Gen. Sp. Orchid. Pl. (1835) 290

Synonyms:

  • Habenaria angustata (Blume) Kuntze, Rev. Gen. Pl. (1891) 664
  • Mecosa angustata Blume, Bijdr. (1825) 404; Tab. & Pl. Jav. Orchid. (1825) t. 1
    - Type: Blume s.n. (Mt. Salak) (syn L? not found); (Mt. Burangrang) (syn L)
  • Habenaria zosterostyloides Hook.f., Fl. Brit. Ind. 6 (1890) 155
    - Type: Griffith (Kew Distr. 5359) s.n. (Mt. Ophir); Lobb s.n. (Mt. Ophir); Lobb s.n. (Perak); Wray s.n. (id
  • Habenaria halconensis Ames, Philipp. J. Sci., C, 2 (1907) 312
    - Type: Merrill 5835 (holo AMES)
  • Platanthera halconensis (Ames) Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 212
  • Platanthera amesiana Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 212
    - Type: Whitford 162 (holo AMES)
  • Habenaria amesiana (Schltr.) Ames, Orchidaceae 5 (1915) 12
  • Habenaria elmeri Ames in Elmer, Leafl. Philipp. Bot. 5 (1912) 1550
    - Type: Elmer 11845a (holo AMES; iso NY)
  • Platanthera elmeri (Ames) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 4 (1919) 108
  • Platanthera pachyglossa Hayata, Icon. Pl. Formos. 4 (1914) 123, pl. 21
    - Type: not designated
  • Habenaria pachyglossa (Hayata) Masam., J. Geobot. 16 (1968) t. 15
  • Platanthera hachijoensis Honda, Bot. Mag. (Tokyo) 49 (1935) 2
    - Type: Jotani s.n. (1934) (Japan, Honshu, Hachijo Islands, Mt. Higashi-yama) (holo TI)
  • Platanthera amamiana Ohwi, J. Jap. Bot. 13 (1937) 440
    - Type: Koidzumi s.n. (Ryukyu Arch., Naze) (holo KYO)

Basionym: Mecosa angustata

Terrestrial herb to 75 cm tall with very fleshy roots but without tuber. Stem with c. 4 distant leaves. Leaves to 10 by 4.8 cm, becoming smaller upwards, ovate to subcordate, pointed. Inflorescence laxly many-flowered. Floral bracts to 2.5 by 1.35 cm, ovate, pointed. Pedicel and ovary 1.4 cm long. Median sepal 0.67 by 0.5 cm, ovate, obtuse, forming a helmet-like structure with the petals. Lateral sepals 0.8 by 0.27 cm, lanceolate, subfalcate, deflexed. Petals semi-ovate, concave. Lip 1.15 by 0.3 cm, entire, broadly linear, obtuse, fleshy; spur pendent, thin-cylindrical, 1.4 cm long. Column very short, with short lateral auricles. (After Smith, 1905)


Flower green.

Terrestrial in lower montane forest; 1500 m.

Malesia (Peninsular Malaysia, Sumatra, Java, Borneo, ?Sulawesi, ?Lesser Sunda Islands, ?Moluccas, New Guinea, Philippines), SE Asia, Taiwan, Hong Kong, Ryukyu Arch.

Papua New Guinea. See map

distribution map

Intermediate growing terrestrial, requires shaded position.

July.

  • Smith, J.J., Orchid. Java (1905) 29
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1908) fig. 12
  • Smith, J.J., Bull. Jard. Bot. Buitenzorg, sér. 3, 3 (1921) 227
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 74 (1934) t. 1, fig. 1, as Platanthera amesiana Schltr.
  • Family Orchidaceae
  • Subfamily Orchidoideae
  • Tribe Orchideae
  • Subtribe Orchidinae
  • Genus Platanthera
  • Species Platanthera angustata

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Platanthera angustata

overview picture

Platanthera angustata

Platanthera angustata (Blume) Lindl., flower detail, photo A. Schuiteman, Leiden cult. 960063, from Peninsular Malaysia

Platanthera angustata

Platanthera angustata (Blume) Lindl., inflorescence, photo P. O'Byrne, from Malaysia, Pahang

Platanthera angustata

Platanthera angustata (Blume) Lindl., habit, photo P. O'Byrne, from Malaysia, Pahang

Platanthera angustata

Mecosa angustata Blume, herbarium sheet, Blume s.n. (Mt. Burangrang) (syntype specimen L)