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Cryptostylis arachnites

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk., Cat. Hort. Bot. Bogor (1844) 48

Synonyms:

  • Zosterostylis arachnites Blume, Bijdr. (1825) 419; Tab. & Pl. Jav. Orchid. (1825) t. 32
    - Type: Blume s.n. (Mt. Salak); (Mt. Seribu) (syn L s.n., no loc.; iso P)
  • Chlorosa latifolia Blume, Bijdr. (1825) 420; Tab. & Pl. Jav. Orchid. (1825) t. 31
    - Type: Blume s.n. (Mt. Gede); (Mt. Salak) (syn L)
  • Zosterostylis zeylanica Lindl., Gen. Sp. Orchid. Pl. (1840) 446
    - Type: Macrae s.n. (Ceylon) (holo K)
  • Cryptostylis zeylanica (Lindl.) Schltr., Bot. Jahrb. Syst. 58 (1922) 54
  • Zosterostylis walkerae Wight, Icon. Pl. Ind. Or. 5 (1851) 20, t. 1748-4
    - Type: Gardener s.n. (Adam's Peak, Ceylon) (holo K?)
  • Cryptostylis walkerae (Wight) Blume, Coll. Orchid. (1858) 133
  • Cryptostylis alismifolia F.Muell., S. Sci. Rec. 1 (1881) 172
    - Type: Betche s.n. (Apia Mts., 3000 feet) (holo MEL)
  • Cryptostylis papuana Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 82
    - Type: Schlechter 13763 (holo B, lost)
  • Cryptostylis stenochila Schltr., Bot. Jahrb. Syst. 39 (1906) 49
    - Type: Schlechter 15596 (holo B, lost)
  • Cryptostylis vitiensis Schltr., Repert. Spec. Nov. Regni Veg. 3 (1906) 16
    - Type: Thomson s.n. (Fiji) (holo B, lost)
  • Cryptostylis fulva Schltr. var. subregularis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 27
    - Type: Schlechter 19655 (holo B, lost)
  • Cryptostylis fulva Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 26
    - Type: Schlechter 19546 (holo B, lost; iso BO, E, G, L, MO, NSW)
  • Cryptostylis philippinensis Schltr., Bot. Jahrb. Syst. 58 (1922) 54 (nom. nud.)
    - Type: Bur. Sci. (Ramos) 14416 (syn AMES), 14442 (syn AMES)
  • Cryptostylis arachnites (Blume) Hassk. var. philippinensis (Schltr.) S.S.Ying, Col. Illust. Indig. Orchid. Taiwan 1, 2 (1977) 118

Basionym: Zosterostylis arachnites

A terrestrial herb 20-60 cm tall, with several thick hairy roots at the base. Leaves erect, arising from the rhizome, ovate, acute, up to 17 by 7.5 cm; petiole slender, 5-15 cm long. Inflorescence arising from the rhizome, 10-30 cm long, 8- to 12-flowered; peduncle covered with several overlapping scales. Median sepal lanceolate, acute, 1.4-1.6 by 0.28 cm, with edges inrolled. Lateral sepals lanceolate, acute, 1.4-1.6 by 0.28 cm. Petals lanceolate, acute, 0.8-1 by 0.17 cm. Lip ovate, acute, 1.5-2.0 by 0.5-0.7 cm at base, with a pubescent upper surface. Column short, 0.1-0.15 cm long. (After Lewis and Cribb, 1991).


Leaves pale green with a more or less distinct network of darker veins and mottled dark green; petiole mottled with purple. Flowers pale green or dull red-flushed, with a purple or orange-red lip which is spotted purple-red and a yellow-green column.

Terrestrial in lower montane forest. Altitude 600-1067 m.

Malesia (Peninsular Malaysia, Singapore, Sumatra, Java, Borneo, ?Sulawesi, ?Lesser Sunda Islands, ?Moluccas, New Guinea, The Philippines), Thailand, Cambodia, Vietnam, India, Sri Lanka, Taiwan, Solomon Is., Vanuatu, Fiji, Samoa.

Papua (Indonesia); Papua New Guinea. See map

distribution in New Guinea

Intermediate growing terrestrial, keep in shade.

May, June, September, October.

  • Family Orchidaceae
  • Subfamily Orchidoideae
  • Tribe Diurideae
  • Subtribe Cryptostylidinae
  • Genus Cryptostylis
  • Species Cryptostylis arachnites
  • Smith, J.J., Orchid. Java (1905) 59
  • Smith, J.J., Orchid. Java (1905) 60, as Chlorosa latifolia Blume
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1908) fig. 37
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1908) fig. 38, as Chlorosa latifolia Blume
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 27, as Cryptostylis papuana Schltr.
  • Smith, J.J., Bull. Jard. Bot. Buitenzorg, sr. 3, 3 (1921) 240
  • Smith, J.J., Bull. Jard. Bot. Buitenzorg, sr. 3, 5 (1922) t. 24, fig. IV
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 13, fig. 39, as Cryptostylis fulva Schltr.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 13, fig. 40, as Cryptostylis papuana Schltr.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 74 (1934) t. 3, fig. 12, as Cryptostylis philippinensis Schltr.
  • Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 50

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Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., flower, front view, photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., plant habit, photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., inflorescence photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., flower, lateral view, photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719s

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., flower, front view, photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., flower, oblique lateral view, photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk. cf., flower, lateral view, photo Ed de Vogel, from Leiden cult. 20052231, SBG 5719

Cryptostylis arachnites

Cryptostylis arachnites (Blume) Hassk., drawing N.H.S. Howcroft 101, from Pindiu

Cryptostylis arachnites

Cryptostylis fulva Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 13, fig. 39

Cryptostylis arachnites

Cryptostylis papuana Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 13, fig. 40

Cryptostylis arachnites

Cryptostylis fulva Schltr., herbarium sheet, Schlechter 19546, isotype specimen (BO)

Cryptostylis arachnites

Cryptostylis fulva Schltr., herbarium sheet, Schlechter 19546, isotype specimen (L)