Another common type of trichome is the "'scale "'or "'peltate hair "', that has a plate or shield-shaped cluster of cells attached directly to the surface or borne on a stalk of some kind.
32.
Curiously, the peltate leaf attachment that is so characteristic of this species is not shown . " Nepenthes rajah " was featured in the first episode of " Kingdom of Plants 3D ", a natural history documentary series presented by David Attenborough.
33.
Plants in this genus have showy, often intensely bright flowers, and rounded, peltate ( shield-shaped ) leaves with the superior three-carpelled ovary, and a funnel-shaped nectar spur at the back, formed by modification of one of the five sepals.
34.
The shape of the tentacles is generally adapted to the diet, and to the size of the particles to be ingested : the filter-feeding species mostly have complex arborescent tentacles, intended to maximize the surface area available for filtering, while the species feeding on the substratum will more often need digitate tentacles to sort out the nutritional material; the detritivore species living on fine sand or mud more often need shorter " peltate " tentacles, shaped like shovels.
35.
Plants usually rooted in mud, very variable in size and appearance, scales on rhizome peltate, thin, translucent, pale brown, ( under a lens clear with dark cell walls ) stipes 3 15 mm diameter in mature plants, spongy and air filled, sterile fronds pale green, thin, flaccid and spreading, 4 60 cm long, including a stipe c . half this length, fertile fronds pale green, to brown when over mature, firm, held erect, 15 100 cm or more long, including stipe to 40 cm long, proliferous or dormant buds with overlapping dark scales sometimes present in the axils of fertile pinnae ( twice seen ), sterile axes obviously winged, pinnae basically broad-ovate or deltoid with a few blunt lobes, sometimes more deeply incised, the segments 2-15 x 10 30 mm, fertile segments linear, 1-2 x 10 80 mm.
