It differs from the type form of " N . longifolia " in that the caducous.
12.
Hairs on the surfaces of the leaves are apparently caducous, or shed at an early stage of development.
13.
Some parts of the plant are sparsely covered with short simple or branched hairs, although these are mostly caducous.
14.
"Pappobolus " is distinguished from closely related genera by its combination of shrubby habit and usually caducous pappus.
15.
Most of the species of the genus were originally described as members of " Helianthus ", based on having a pappus of two caducous awns.
16.
Complete, bisexual, slightly irregular, zygomorphic, pentamerous, hypogynous, pedicelate; bractate, bracts white with pinkish tinge, thin, ovate-acuminate, caducous; yellow.
17.
The nucleus of " Gaza superba " is often caducous, and in such specimens the apex is pierced with a circular perforation 1?mm in diameter, which is continuous with the umbilicus.
18.
They are distinguished technically by the fact that the ray florets ( when present ) are sterile, and by the presence on the disk flowers of a caducous ( that is, easily detached and falling at maturity ).
19.
One or two racemes grow from the same point or there is a paniculate arrangement of racemes, normally from young twigs below the leaves or sometimes terminal, bearing 5 30 flowers, the rachis 4 10.5 cm long, sometimes with conspicuous lenticels; the glabrous or puberulous pedicels are 3 5 mm long, subtended by a caducous bract, with two ovate caducous bracteoles 2 2.5 ?2 mm arising from near the base.
20.
One or two racemes grow from the same point or there is a paniculate arrangement of racemes, normally from young twigs below the leaves or sometimes terminal, bearing 5 30 flowers, the rachis 4 10.5 cm long, sometimes with conspicuous lenticels; the glabrous or puberulous pedicels are 3 5 mm long, subtended by a caducous bract, with two ovate caducous bracteoles 2 2.5 ?2 mm arising from near the base.
