Octarrhena minuscula Aver. & Duy 2015

TYPE Drawing TYPE Photo/TYPE Drawing by Averyanov and Taiwania 61(4):319-354 November 2016, New Species of Orchids (Orchidaceae) in the Flora of Vietnam Averyanov, Nong, Nguyen and Truong

Full Shade Warm Fall

Common Name or Meaning The Miniscule Octarrhena

Flower Size .076 to .088" [1.8 to 2.2 mm]

Found in southern Vietnam in primary and old broad-leaved evergreen humid, submontane forests at elevations of 950 to 1000 meters as a mini-miniature sized, warm growing epiphyte with an abbreviate stem enveloped completely by 3 to 7, imbricate, equitant, distichous, articulate basally, fleshy, subterete, laterally compressed, ensiform, oblong-lanceolate to broadly lanceolate, mostly broadest at the abse, narrowing towards the triangular-acute apex leaves that blooms in the fall on a lateral, arising from a leaf axil, almost straight to slightly curved, smoewhat secund, light green, peduncle indistinctly longitudinally ribbed, stout, erect, .08 to .2" [2 to 5 mm] long, naked or with 1 to 2 small rtiangular sterile bracts, rachis straight, .08 to .2" [2 to 5 mm] long, 4 to 18 flowered inflorescence with triangular, acuminate, single veined, light green to almost white becoming dull yellowish, membraneous flral bracts and carrying resupinate, subsessile, campanulate flowers that do not open well.


References W3 Tropicos, Kew Monocot list , IPNI ; *Wulfenia 22 [2015]: 137 - 188 New Orchids in the Flora of Vietnam Averyanov, Nguyen, Tich, Nguyen, Nong, Nguyen and Xuan Drawing/photo fide