They are evergreen trees reaching 5-40 m tall, with bipinnate or tripinnate leaves, and panicles of large bell-shaped, white, pink, pale purple or yellow flowers 5-7 cm diameter.
42.
It is a deciduous fern with fronds growing to 40 100 cm ( rarely 130 cm ) tall and 10 30 cm broad; the fronds are bipinnate, with pinnatifid pinnules about three times as long as broad.
43.
The trees are tall with a cylindrical bole and spreading crown . " C . velutina " leaves are abruptly pinnate or bipinnate with leaflets that alternate or are subopposite, entire and unequal at the base.
44.
"Pachypteris " is represented by hypostomatic, bipinnate or unipinnate leaves, with alethopteridian venation ( midvein and secondary veins divided once or twice before reaching the pinnule margin ), pinnules with entire margins and rounded apices.
45.
The sterile fronds are spreading, up to 80 100 cm tall, bipinnate, with pinnae 20 30 cm long and pinnules 4 6 cm long and 1.5 2 cm broad; the fertile fronds are erect and shorter, 20 50 cm tall.
46.
Fieldwork conducted in the Southern Highlands found that the presence of bipinnate wattles ( either as understory or tree ) was related to reduced numbers of noisy miners, an aggressive species of bird that drives off small birds from gardens and bushland, and hence recommended the use of these plants in establishing green corridors and revegetation projects.
47.
The leaves are 2 4 m long and 40 80 cm broad, dark green and glossy, bipinnate, with 27-44 pairs of leaflets, each leaflet dichotomously divided ( split in two ), linear, 10 38 cm long and 1.5 3 cm broad, papery to leathery in texture; the leaf petiole is 0.5 2 m long, armed with spikes.
48.
Likewise, in " A . ?wherryi ", the dark color of the stipe again ends at the base of the leaf blade, the overall shape of the blade tends to be more distinctly lance-shaped, and the fronds are somewhat more deeply cut than " A . bradleyi ", progressing from bipinnate in the lower half to pinnate-pinnatifid and finally pinnate at the apex.
49.
Alternate, compound, bipinnate, petiolate, petiole long with gland below and lower pair of pinnae and a few between the upper pinna; pinna 8-30 pairs, opposite; leaflets 40-80 pairs close set, sessile, linear-oblong, fulcate ( sickle or scythe shaped ), truncate at the base [ 2 ] ( as it cut off by a straight tranverse line; blunt ); stipulate, leaf base frequently swollen forming pulvinus.
50.
They differ from the moonworts in having at least some sterile fronds ( all fronds in " Botrychium " are spore-bearing ), and in the fronds being bi-or tri-pinnate ( " Botrychium " are single pinnate, or rarely bipinnate ); and from " Botrypus " in being evergreen, or at least winter-green ( " Botrypus " are deciduous ) and having the non-spore-bearing part of the frond long-stalked ( short-stalked in " Botrypus " ).
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