B. Gray's scientific contributions

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Publications (1)

Didymoplexis micradenia (Rchb.f.) Hemsl. (Orchidaceae): A new record for the Australian flora
  • Article

December 2017

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3 Citations

Austrobaileya

B. Gray

Gray, B. (2017). Didymoplexis micradenia (Rchb.f.) Hemsl. (Orchidaceae): A new record for the Australian flora. Austrobaileya 10(1): 200-204. Didymoplexis micradenia previously recorded from many western Pacific islands, Java and Vietnam, was recently discovered in north Queensland and is a new species record for Australia. Morphologically this species is similar to D. pallens Griff., which was, until now, the only known representative of the genus in Australia. Didymoplexis micradenia has a much smaller, pinkish-white flower, a shorter column foot and toothed apical margin of the lip. A description based on Australian material, concurring with the protologue, photographs and a key to Didymoplexis in Australia are provided here.

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Citations (1)

... Column foot well developed, similar in length to column, straight or slightly curved, 3-4 mm long, narrowing towards base. Notes: Didymoplexis has been considered to be a fairly small genus of about ten species (Hemsley 1884;Lavarack 1977;Hsu & Chung 2007;Cribb et al. 2013;Zhou et al. 2016;Gray 2017), but additional taxa have come to light in recent years and it is likely that more will be discovered as they are easily overlooked (Ormerod 2000;Cribb et al. 2013;Suddee 2014;Suetsugu et al. 2017;Suetsugu & Hsu 2019 Leafless, achlorophyllous mycoheterotroph, 80-300 mm high at anthesis; stem white or reddish, with a few small, scarious bracts, arising from stem tubers up to 100 mm long. Inflorescence a raceme bearing 5-15 flowers. ...

Reference:

A revision of Orchidaceae from the Kimberley region of Western Australia with new species of tropical Calochilus and Dipodium
Didymoplexis micradenia (Rchb.f.) Hemsl. (Orchidaceae): A new record for the Australian flora
  • Citing Article

  • December 2017

Austrobaileya

B. Gray