42 <div type=
"description"><p>Stems clustered,
2.5-
7 m long and
0.6-
1.3 cm diameter (with leaf sheaths). Leaf sheaths green, with patchy, white tomentum initially, sparsely to densely covered with brown, black-tipped, flattened, horizontally spreading spines to
1 cm long, sometimes with many short spines interspersed; knees present; ocreas present, less than
0.5 cm long, densely covered with short, black bristles; flagella present; petioles
15-
21 cm long, sparsely covered laterally and abaxially with recurved spines to
0.5 cm long; rachis
41-
43 cm long, laterally and abaxially with few, recurved, solitary spines; pinnae
3-
6 per side of rachis, lanceolate, arranged in distant groups or solitary,
30-
43 cm long,
2.0-
3.5 cm wide, without spines on the margins, minutely spiny at the apex, the apical pair of pinnae free or only briefly joined at their bases; cirri absent. Inflorescences
1.5-
3 m long, flagellate; partial inflorescences inserted below the mouth of the partial inflorescence bracts; partial inflorescence bracts closely sheathing the main axis, briefly split at the apex, not bristly at the apex, densely covered with recurved spines; staminate inflorescences branched to three orders, with
5-
7 partial inflorescences; rachillae
2-
3 cm long; rachillae bracts distichously arranged, to
1 mm long, glabrous; floral bracteoles to
0.5 mm long, glabrous; staminate flowers not seen, arranged alternately and distichously along the rachillae; pistillate inflorescences branched to two orders, with
3-
10 partial inflorescences, each with up to
19 rachillae; rachillae
3-
8 cm long; rachillae bracts distichously arranged, to
2 mm long, glabrous; pistillate flowers to
12 per rachilla, borne alternately and distichously along the rachillae; sepals to
1.5 mm long, connate basally for ca. two-thirds their length, lobed above; petals to
2 mm long, free; fruits not seen.
</p></div>
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