Gray, New species of Taeniophyllum from Queensland 
389 
Fig. 6. Taeniophyllum explanatum. Plant showing inflorescences bearing flower buds and open flowers (Gray BG9674, 
CNS). Photo: B. Gray. 
because this small species is easily overlooked 
in the rainforest. Most of the collections made 
are from the more accessible understorey; 
however, a single collection ( Ford 6332 ) is 
from the rainforest canopy. 
Etymology : The specific epithet refers to the 
roots being flat. 
3. Taeniophyllum triquetro radix B.Gray sp. 
nov. Similar to Taeniophyllum muelleri Lindl. 
ex Benth. but differs in having roots triangular 
in cross-section. Typus: Queensland. Cook 
District: Ridge above Tinaroo Dam perimeter 
road, 8 September 1990, B. Gray BG5238 
(holo: BRI; iso: CNS). 
Taeniophyllum sp.; Ormerod (1994). 
Illustrations : Jones (2006: 454), as T. 
confertum B.Gray & D.L.Jones. 
Plants epiphytic, spider like in appearance 
sometimes proliferating from root tips 
and forming small colonies. Roots 4-10, 
appressed to the host, ± triangular in cross 
section, 10-60 mm x 1.5-2 mm, glaucous to 
greyish green, strongly ridged on the upper 
surface. Inflorescences 1—3(—4); peduncle 
5-12 mm long. Rachis extending as flowering 
progresses; 5-20 or more flowered with one or 
sometimes two open together; buds, flowers 
and capsules can be present at the same 
time. Floral bracts projecting 0.5-0.6 mm, 
somewhat fleshy and all in one plane. Flowers 
c. 4.5 mm long including the spur and 3 mm 
in diameter, green, aging to yellowish green. 
Sepals and petals fused at the base into a tube 
c. 1.4 mm long. Sepals spreading, somewhat 
ovate to narrowly triangular, c. 1.5 x 0.9 mm, 
acute at the apex. Petals spreading, ovate, c. 
1.4 x 0.8-0.9 mm, acute at the apex. Labellum 
fleshy, cymbidiform c. 1.9 mm long, obscurely 
three lobed near the base, lateral lobes c. 0.3 
mm high, midlobe narrowly triangular, acute 
at the apex with an inflexed spine c. 0.6 mm 
long at the tip. Spur elongate-globose, c. 1.9 
x 0.9 mm. Column domed c. 0.7 mm high, 
