Fronds are long-petiolate, with stramineous
petioles as long or longer than the lamina; indument of simple hairs 0.1-0.15 mm long; laminae have (2-) 4-7 (-11) pairs of lateral ascending pinnae, pinnae are narrow-lanceolate, 3-4.5 cm wide, with acuminate apices and bases gradually attenuate, asymmetric, decurrent on the basiscopic side (Figure 1 A and B), with 5-7 areoles at the middle of lateral pinnae.
fulva in color with a dark purple cast to the forewings (in life, stramineous
when fixed in alcohol) versus a "pinkish color" (Van Duzee 1909); shallow versus strong elevation of the vertex, smaller (3.6-4.8 vs.
Antennal segment I light yellowish brown, segments II-III same colour as head, apical half of segment IV stramineous
. Labial segment I and base of segment II light yellowish brown, apical 2/7 of segment II and entire segment III dark brown.
Coxae and trochanters black, basal portions (1/4 of fore, 1/2 of mid, 3/4 of hind femur) of femora black, remaining apical portions of femora as well as whole tibiae and tarsi stramineous
. Evaporatoria greyish brown, other parts of ventral surface thorax and abdomen black, abdominal sternites III-VII each with a yellowish anterolateral callosity neighbouring spiracle anteriorly (Fig.
Spikelets bisexual or unisexual, 2-5 mm long, few-flowered; floral scales 3.04.5 mm long, 1.5-2.5 mm wide, ovate-lanceolate, keeled, green to stramineous
to purplish, acuminate.
35 mm in diameter, castaneous toward the base, sparsely brown lepidote; scape bracts distinctly exceeding the internodes, imbricate, completely covering the scape, coriaceous, completely covered by a dense layer of pale castaneous (toward the base) to white (toward the apex) trichomes, stramineous
, distinctly nerved, castaneous toward the base and paler near the apex, the basal ones subfoliaceous, suberect toward the apex, coarsely spinose near the apex, spines prevailing retrorse-uncinate, dark brown to blackish, 2-3 mm long, the upper scape bracts lanceolate, apex acute and distinctly mucronate, 13-18 x 4-6 cm, erect, subentire to irregularly spinose at apex, spines membranaceous, irregularly surrounding the base of the inflorescence and equaling ca.
Leaves 6-14, essentially basal; sheaths 3-13 cm long, whitish to stramineous
, strongly ribbed, old sheath bases brownish, becoming slightly fibrous, the inner band whitish-hyaline to brown, membranous, finely veined, the apex concave; ligule rounded, 1-4(-9) mm long, the free portion brownish, 0.2-0.3 mm wide; blades linear, 10-80 cm long, 3.5-7.4 mm wide, the widest ca.
Bulb subglobose, 20-30 x 20-30 mm, prolonged in a short collar up to 2 cm, sheathing the proximal part of the under*grown stem; cataphylls brown to stramineous
, broadly ovate, apex cute, often fimbriate.
20, 33 and 34) yellowish brown to pale brown, with irregular stramineous
suffusions mainly on apical areas, granules fuscous, setae in granules on veins pale yellowish brown.
to yellowish brown, AII and AIII sometimes banded apically.
Scape lateral, erect, 9-17 cm long, 0.2-0.3 cm in diameter, subdensely or sparsely white-furfuraceous to glabrous, smooth, green; scape bracts erect, stramineous
, nerved, carinate toward the apex, sparsely white-lepidote, the basal ones subfoliaceous, the upper ones with a broadly ovate-subtriangular base, margins microscopically and densely denticulate, and a long acuminate-caudate blade, to ovate and acuminate, 10-20 x 5 mm, margins inconspicuously but densely denticulate, exceeding the internodes.
Leaves 2, reduced to tubular sheaths; upper leaf sheath up to 15 cm long, membranous-translucent, loose but not inflated, friable, often splitting adaxially, stramineous
to pale grayish brown, apex obtuse to subacute, not callose, tooth-like projection (mucro) absent or very short; lower leaf sheath much shorter than upper, membranous, dark grayish brown to almost black.