| Field notes | Colonial understory palm, forming large patch 10 m across. Stem 6m long, 4cm thick; spines, 3cm long. Leaves 4 per stem; sheath 25cm, open; spines yellow; petiole 72cm, green; rachis 143cm; lamina 172 x 134cm; pinnae 27 per side, basal 44cm, middle 65cm, apical 32cm. Inflorescence interfoliar; prophyll 22cm long, 5cm wide; peduncular bract 82cm long, brown, spiny; peduncle 49cm long, 2.5cm diam., smooth; rachis 11cm long, branched to 1st order; rachillae 25, 21cm long, 0.3cm thick; flowers sessile, yellow. Transect HB348-SU02. |